Kaspar Kirstein Nielsen

Kaspar Kirstein Nielsen

Lektor

DTU ENERGI
Institut for Energikonvertering og -lagring

Danmarks Tekniske Universitet

Frederiksborgvej 399

Bygning 779, rum S25

4000 Roskilde

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2017
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Influence of magnetization on the applied magnetic field in various AMR regenerators

Mira, A. ; de Larochelambert, T. ; Espanet, C. ; Giurgea, S. ; Nika, P. ; Bahl, Christian ; Bjørk, Rasmus ; Nielsen, Kaspar Kirstein
in: Journal of Applied Physics, vol: 122, issue: 13

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: https://doi.org/10.1063/1.4986936

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Modeling a material from packing, through sintering and to the final microstructural properties

Bjørk, Rasmus ; Nielsen, Kaspar Kirstein
Presented at:
International Conference on Sintering 2017

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    År: 2017

 

Passive characterization and active testing of epoxy bonded regenerators for room temperature magnetic refrigeration

Lei, Tian ; Navickaité, Kristina ; Engelbrecht, Kurt ; Barcza, Alexander ; Vieyra, Hugo ; Nielsen, Kaspar Kirstein ; Bahl, Christian
in: Applied Thermal Engineering, vol: 128, pages: 10-19

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: https://doi.org/10.1016/j.applthermaleng.2017.08.152

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Spatially resolved modelling of inhomogeneous materials with a first order magnetic phase transition

Nielsen, Kaspar Kirstein ; Bahl, Christian ; Smith, Anders ; Bjørk, Rasmus
in: Journal of Physics D: Applied Physics, vol: 50, issue: 41

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: https://doi.org/10.1088/1361-6463/aa86e2

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Study of geometries of active magnetic regenerators for room temperature magnetocaloric refrigeration

Lei, Tian ; Engelbrecht, Kurt ; Nielsen, Kaspar Kirstein ; Veje, Christian T.
in: Applied Thermal Engineering, vol: 111, pages: 1232–1243

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: https://doi.org/10.1016/j.applthermaleng.2015.11.113

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The La(Fe,Mn,Si)13 Hz magnetic phase transition under pressure (Phys. Status Solidi RRL 8/2017)

Lovell, Edmund ; Bez, Henrique N. ; Boldrin, David C. ; Nielsen, Kaspar Kirstein ; Smith, Anders ; Bahl, Christian R. H. ; Cohen, Lesley F.

Type: Other contribution

Status: Published     |    År: 2017     |    DOI: https://doi.org/10.1002/pssr.201770340

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The La(Fe,Mn,Si)13Hz magnetic phase transition under pressure

Lovell, Edmund ; Bez, Henrique N. ; Boldrin, David C. ; Nielsen, Kaspar Kirstein ; Smith, Anders ; Bahl, Christian ; Cohen, Lesley F.
in: Physica Status Solidi. Rapid Research Letters, vol: 11, issue: 8

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: https://doi.org/10.1002/pssr.201700143

 

The maximum theoretical performance of unconcentrated solar photovoltaic and thermoelectric generator systems

Bjørk, Rasmus ; Nielsen, Kaspar Kirstein
in: Energy Conversion and Management, vol: 156, pages: 264-268

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: https://doi.org/10.1016/j.enconman.2017.11.009

2016
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A detailed study of the hysteresis in La0.67Ca0.33MnO3

Neves Bez, Henrique ; Nielsen, Kaspar Kirstein ; Smith, Anders ; Bahl, Christian R. H.
in: Journal of Magnetism and Magnetic Materials, vol: 416, pages: 429-433

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2016     |    DOI: https://doi.org/10.1016/j.jmmm.2016.05.011

 

An axisymmetrical non-linear finite element model for induction heating in injection molding tools

Guerrier, Patrick ; Nielsen, Kaspar Kirstein ; Menotti, Stefano ; Hattel, Jesper Henri
in: Finite Elements in Analysis and Design, vol: 110, pages: 1-10

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2016     |    DOI: https://doi.org/10.1016/j.finel.2015.11.001

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Challenges in going from 2nd order to 1st order materials in magnetic refrigeration devices

Bahl, Christian ; Engelbrecht, Kurt ; Eriksen, Dan ; Nielsen, Kaspar Kirstein ; Lei, Tian ; Smith, Anders ; Pryds, Nini
Presented at:
2016 MRS Spring Meeting

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    År: 2016

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Comparing superconducting and permanent magnets for magnetic refrigeration

Bjørk, Rasmus ; Nielsen, Kaspar Kirstein ; Bahl, C. R. H. ; Smith, Anders ; Wulff, Anders Christian
in: A I P Advances, vol: 6, issue: 5

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2016     |    DOI: https://doi.org/10.1063/1.4943305

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Effects of flow balancing on active magnetic regenerator performance

Eriksen, Dan ; Engelbrecht, Kurt ; Bahl, Christian ; Bjørk, Rasmus ; Nielsen, Kaspar Kirstein
in: Applied Thermal Engineering, vol: 103, pages: 1-8

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2016     |    DOI: https://doi.org/10.1016/j.applthermaleng.2016.03.001

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Magneto-elastic coupling in La(Fe, Mn, Si)13Hy within the Bean-Rodbell model

Neves Bez, Henrique ; Nielsen, Kaspar Kirstein ; Norby, Poul ; Smith, Anders ; Bahl, Christian R. H.
in: A I P Advances, vol: 6, issue: 5

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2016     |    DOI: https://doi.org/10.1063/1.4944400

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Nonuniversal scaling of the magnetocaloric effect as an insight into spin-lattice interactions in manganites

Smith, Anders ; Nielsen, Kaspar Kirstein ; Neves Bez, Henrique ; Bahl, Christian
in: Physical Review B, vol: 94, issue: 5

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2016     |    DOI: https://doi.org/10.1103/PhysRevB.94.054411

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Optimization of Multi-layer Active Magnetic Regenerator towards Compact and Efficient Refrigeration

Lei, Tian ; Engelbrecht, Kurt ; Nielsen, Kaspar Kirstein ; Neves Bez, Henrique ; Veje, Christian T. ; Bahl, Christian
part of: Proceedings of the 29th International Conference on Efficiency, Cost, Optimisation, Simulation and Environmental Impact of Energy Systems (ECOS 2016), 2016
Presented at:
29th International Conference on Efficiency, Cost, Optimisation, Simulation and Environmental Impact of Energy Systems

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2016

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Strain development during the phase transition of La(Fe,Mn,Si)13Hz

Neves Bez, Henrique ; Nielsen, Kaspar Kirstein ; Smith, Anders ; Norby, Poul ; Ståhl, Kenny ; Bahl, Christian R H
in: Applied Physics Letters, vol: 109, issue: 5

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2016     |    DOI: https://doi.org/10.1063/1.4960358

 

Study of multi-layer active magnetic regenerators using magnetocaloric materials with first and second order phase transition

Lei, Tian ; Engelbrecht, Kurt ; Nielsen, Kaspar Kirstein ; Neves Bez, Henrique ; Bahl, Christian
in: Journal of Physics D: Applied Physics, vol: 49, issue: 34

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2016     |    DOI: https://doi.org/10.1088/0022-3727/49/34/345001

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The lifetime cost of a magnetic refrigerator

Bjørk, Rasmus ; Bahl, Christian R.H. ; Nielsen, Kaspar Kirstein
in: International Journal of Refrigeration, vol: 63, pages: 48–62

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2016     |    DOI: https://doi.org/10.1016/j.ijrefrig.2015.08.022

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Three-dimensional numerical modeling of an induction heated injection molding tool with flow visualization

Guerrier, Patrick ; Tosello, Guido ; Nielsen, Kaspar Kirstein ; Hattel, Jesper Henri
in: International Journal of Advanced Manufacturing Technology, vol: 85, issue: 1, pages: 643-660

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2016     |    DOI: https://doi.org/10.1007/s00170-015-7955-8

2015
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Comparing superconducting and permanent magnets for magnetic refrigeration

Bjørk, Rasmus ; Nielsen, Kaspar Kirstein ; Bahl, Christian R.H. ; Smith, Anders ; Wulff, Anders Christian
part of: Book of Abstracts. DTU's Sustain Conference 2015, 2015, Technical University of Denmark (DTU), Lyngby
Presented at:
DTU Sustain Conference 2015

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    År: 2015

 

Computationally Efficient Model of An Active Magnetocaloric Regenerator

Tahavori, Maryamsadat ; Veje, Christian ; Lei, Tian ; Nielsen, Kaspar Kirstein ; Engelbrecht, Kurt
part of: Proceedings of the 5th IEEE International Conference on Control Systems, Computing and Engineering, 2015, IEEE
Presented at:
5th International Conference on Control System, Computing and Engineering

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2015

 

Design and experimental tests of a rotary active magnetic regenerator prototype

Eriksen, Dan ; Engelbrecht, Kurt ; Bahl, Christian ; Bjørk, Rasmus ; Nielsen, Kaspar Kirstein ; Insinga, Andrea Roberto ; Pryds, Nini
in: International Journal of Refrigeration, vol: 58, pages: 14-21

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2015     |    DOI: https://doi.org/10.1016/j.ijrefrig.2015.05.004

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Direct measurements of the magnetic entropy change

Nielsen, Kaspar Kirstein ; Neves Bez, Henrique ; von Moos, Lars ; Bjørk, Rasmus ; Eriksen, Dan ; Bahl, Christian
in: Review of Scientific Instruments, vol: 86, issue: 10

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2015     |    DOI: https://doi.org/10.1063/1.4932308

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Effect of Temperature Step Size on Calculating the Magnetic Entropy Change

Neves Bez, Henrique ; Insinga, Andrea Roberto ; Nielsen, Kaspar Kirstein ; Smith, Anders ; Bahl, Christian R.H.
Presented at:
Delft Days on Magneto Calorics

Type: Conference abstract for conference

Status: Published     |    År: 2015

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Experimental Studies with an Active Magnetic Regenerating Refrigerator

Eriksen, Dan ; Engelbrecht, Kurt ; Bahl, Christian ; Bjørk, Rasmus ; Nielsen, Kaspar Kirstein ; Insinga, Andrea Roberto ; Dallolio, Stefano ; Pryds, Nini
part of: Proceedings of the 24th IIR International Congress of Refrigeration, 2015, International Institute of Refrigeration
Presented at:
24th IIR International Congress of Refrigeration

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2015

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Hybrid TEG-heat exchanger module for electrical power production

Sarhadi, Ali ; Bjørk, Rasmus ; Nielsen, Kaspar Kirstein ; Pryds, Nini
Presented at:
34th Annual International Conference on Thermoelectrics (ICT 2015) and 13th European conference on Thermoelectrics (ECT 2015)

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    År: 2015

 

Influence of manganite powder grain size and Ag-particle coating on the magnetocaloric effect and the active magnetic regenerator performance

Turcaud, J.A. ; Neves Bez, Henrique ; Ruiz-Trejo, E. ; Bahl, Christian ; Nielsen, Kaspar Kirstein ; Smith, Anders ; Cohen, L.F.
in: Acta Materialia, vol: 97, pages: 413–418

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2015     |    DOI: https://doi.org/10.1016/j.actamat.2015.06.058

 

Magnetostriction and magnetisation in La0.67Ca0.33MnO3 within the Bean-Rodbell framework

Neves Bez, Henrique ; Nielsen, Kaspar Kirstein ; Smith, Anders ; Bahl, Christian R.H.
part of: Proceedings of the XXIV International Materials Research Congress, 2015, MRS
Presented at:
24th International Materials Research Congress

Type: Conference abstract in proceedings (Peer reviewed)

Status: Published     |    År: 2015

 

Sensitivity study of multi-layer active magnetic regenerators using first order magnetocaloric material La(Fe,Mn,Si)13Hy

Lei, Tian ; Nielsen, Kaspar Kirstein ; Engelbrecht, Kurt ; Bahl, Christian R. H. ; Neves Bez, Henrique ; Veje, Christian T.
in: Journal of Applied Physics, vol: 118, issue: 1

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2015     |    DOI: https://doi.org/10.1063/1.4923356

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Study of Multi-layer Active Magnetic Regenerators Using Magnetocaloric Materials with First and Second Order Phase Transition

Lei, Tian ; Engelbrecht, Kurt ; Nielsen, Kaspar Kirstein ; Neves Bez, Henrique ; Veje, Christian T. ; Bahl, Christian
Presented at:
Delft Days on Magneto Calorics

Type: Poster (Peer reviewed)

Status: Published     |    År: 2015

 

Temperature Dependence and Magnetic Properties of Injection Molding Tool Materials Used in Induction Heating

Guerrier, Patrick ; Nielsen, Kaspar Kirstein ; Hattel, Jesper Henri
in: I E E E Transactions on Magnetics, vol: 51, issue: 9

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2015     |    DOI: https://doi.org/10.1109/TMAG.2015.2428215

 

The influence of hysteresis on the determination of the magnetocaloric effect in Gd5Si2Ge2

von Moos, Lars ; Bahl, Christian ; Nielsen, Kaspar Kirstein ; Engelbrecht, Kurt
in: Journal of Physics D: Applied Physics, vol: 48, issue: 2

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2015     |    DOI: https://doi.org/10.1088/0022-3727/48/2/025005

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The performance of a combined solar photovoltaic (PV) and thermoelectric generator (TEG) system

Bjørk, Rasmus ; Nielsen, Kaspar Kirstein
in: Solar Energy, vol: 120, pages: 187–194

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2015

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The Total Lifetime Cost of a Magnetic Refrigerator

Bjørk, Rasmus ; Bahl, Christian ; Nielsen, Kaspar Kirstein
Presented at:
Delft Days on Magnetocalorics 2015

Type: Poster (Peer reviewed)

Status: Published     |    År: 2015

2014
 

A Preisach approach to modeling partial phase transitions in the first order magnetocaloric material MnFe(P,As)

von Moos, Lars ; Bahl, C.R.H. ; Nielsen, Kaspar Kirstein ; Engelbrecht, Kurt ; Küpferling, M. ; Basso, V.
in: Physica B: Physics of Condensed Matter, vol: 435, pages: 144-147

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2014     |    DOI: https://doi.org/10.1016/j.physb.2013.09.054

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Demagnetizing fields in active magnetic regenerators

Nielsen, Kaspar Kirstein ; Bahl, Christian R.H. ; Smith, Anders
part of: Proceedings of the 6th IIF-IIR international Conference on Magnetic Refrigeration, 2014, International Institute of Refrigeration
Presented at:
6th IIR/IIF International Conference on Magnetic Refrigeration

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2014

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Design and initial testing of a compact and efficient rotary AMR prototype

Eriksen, Dan ; Engelbrecht, Kurt ; Bahl, Christian R.H. ; Bjørk, Rasmus ; Nielsen, Kaspar Kirstein ; Pryds, Nini
part of: Proceedings of the 6th IIF-IIR international Conference on Magnetic Refrigeration, 2014, International Institute of Refrigeration
Presented at:
6th IIR/IIF International Conference on Magnetic Refrigeration

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2014

 

Development and experimental results from a 1 kW prototype AMR

Bahl, Christian R.H. ; Engelbrecht, Kurt ; Eriksen, Dan ; Lozano, Jaime ; Bjørk, Rasmus ; Geyti, Jørgen ; Nielsen, Kaspar Kirstein ; Smith, Anders ; Pryds, Nini
in: International Journal of Refrigeration, vol: 37, pages: 78-83

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2014     |    DOI: https://doi.org/10.1016/j.ijrefrig.2013.09.001

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Direct measurements of the magnetocaloric effect

Nielsen, Kaspar Kirstein ; Bahl, Christian R.H. ; Neves Bez, Henrique ; Bjørk, Rasmus ; von Moos, Lars ; Eriksen, Dan
part of: Proceedings of the 6th IIF-IIR international Conference on Magnetic Refrigeration, 2014, International Institute of Refrigeration
Presented at:
6th IIR/IIF International Conference on Magnetic Refrigeration

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2014

 

Experimental and numerical results of a high frequency rotating active magnetic refrigerator

Lozano, Jaime ; Engelbrecht, Kurt ; Bahl, Christian R.H. ; Nielsen, Kaspar Kirstein ; Barbosa, J.R., Jr. ; Prata, A.T. ; Pryds, Nini
in: International Journal of Refrigeration, vol: 37, pages: 92-98

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2014     |    DOI: https://doi.org/10.1016/j.ijrefrig.2013.09.002

 

Experimental investigation of the effect of thermal hysteresis in first order material MnFe(P,As) applied in an AMR device

von Moos, Lars ; Nielsen, Kaspar Kirstein ; Engelbrecht, Kurt ; Bahl, Christian R.H.
in: International Journal of Refrigeration, vol: 37, pages: 303-306

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2014     |    DOI: https://doi.org/10.1016/j.ijrefrig.2013.05.005

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Hysteresis in Magnetocaloric Materials

von Moos, Lars ; Bahl, Christian ; Nielsen, Kaspar Kirstein ; Engelbrecht, Kurt

Type: Ph.D. thesis

Status: Published     |    År: 2014

 

Magnetocaloric refrigeration concepts: current state of the art

Nielsen, Kaspar Kirstein
part of: TMS2014 Annual Meeting Supplemental Proceedings, pages: 777-784, 2014, Minerals, Metals & Materials Society
Presented at:
TMS 2014 143rd Annual Meeting and ExhibitionAnnual Meeting & ExhibitionAnnual Meeting & Exhibition20

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2014

 

Modeling of in-vehicle magnetic refrigeration

Olsen, Ulrik Lund ; Bahl, Christian R.H. ; Engelbrecht, Kurt ; Nielsen, Kaspar Kirstein ; Tasaki, Y. ; Takahashi, H.
in: International Journal of Refrigeration, vol: 37, issue: 1, pages: 194-200

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2014     |    DOI: https://doi.org/10.1016/j.ijrefrig.2013.09.013

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Modelling and comparison studies of packed screen regenerators for active magnetocaloric refrigeration

Lei, Tian ; Engelbrecht, Kurt ; Nielsen, Kaspar Kirstein ; Veje, Christian T. ; Tusek, Jaka ; Bahl, Christian R.H.
part of: Proceedings of the 6th IIF-IIR international Conference on Magnetic Refrigeration, 2014, International Institute of Refrigeration
Presented at:
6th IIR/IIF International Conference on Magnetic Refrigeration

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2014

 

Modelling and simulation of regenerators with complex flow arrangements for active magnetocaloric refrigeration

Lei, Tian ; Nielsen, Kaspar Kirstein ; Engelbrecht, Kurt
part of: Proceedings of the ASME 2014 12th Biennial Conference on Engineering Systems Design and Analysis (ESDA 2014), 2014, American Society of Mechanical Engineers
Presented at:
ASME 2014 12th Biennial Conference on Engineering Systems Design and Analysis

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2014

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Quantification of the effect of hysteresis on the adiabatic temperature change in magnetocaloric materials

von Moos, Lars ; Bahl, Christian R.H. ; Nielsen, Kaspar Kirstein ; Engelbrecht, Kurt
part of: Proceedings of the 6th IIF-IIR international Conference on Magnetic Refrigeration, 2014, International Institute of Refrigeration
Presented at:
6th IIR/IIF International Conference on Magnetic Refrigeration

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2014

  PDF

Scaling and universality in magnetocaloric materials

Smith, Anders ; Nielsen, Kaspar Kirstein ; Bahl, Christian R. H.
in: Physical Review B, vol: 90, issue: 10

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2014     |    DOI: https://doi.org/10.1103/PhysRevB.90.104422

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Some Aspects of Scaling and Universality in Magnetocaloric Materials

Smith, Anders ; Nielsen, Kaspar Kirstein ; Bahl, Christian R.H.
part of: Proceedings of the 6th IIF-IIR international Conference on Magnetic Refrigeration, 2014, International Institute of Refrigeration
Presented at:
6th IIR/IIF International Conference on Magnetic Refrigeration

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2014

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The Effect of Magnetic Domains on the Measurement of the Magnetocaloric effect

Bahl, Christian R.H. ; Smith, Anders ; Nielsen, Kaspar Kirstein
part of: Proceedings of the 6th IIF-IIR international Conference on Magnetic Refrigeration, 2014, International Institute of Refrigeration
Presented at:
6th IIR/IIF International Conference on Magnetic Refrigeration

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2014

 

The influence of non-magnetocaloric properties on the performance in parallel-plate AMRs

Nielsen, Kaspar Kirstein ; Bahl, Christian R.H. ; Smith, Anders ; Engelbrecht, Kurt ; Olsen, Ulrik Lund ; Pryds, Nini
in: International Journal of Refrigeration, vol: 37, pages: 127–134

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2014     |    DOI: https://doi.org/10.1016/j.ijrefrig.2013.09.022

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Thermal hysteretic behaviour of La0.67Ca0.33MuO3

Neves Bez, Henrique ; Nielsen, Kaspar Kirstein ; Smith, Anders ; Bahl, Christian R.H.
part of: Proceedings of the 6th IIF-IIR international Conference on Magnetic Refrigeration, 2014, International Institute of Refrigeration
Presented at:
6th IIR/IIF International Conference on Magnetic Refrigeration

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2014

2013
 

Improved modelling of a parallel plate active magnetic regenerator

Engelbrecht, Kurt ; Tušek, J. ; Nielsen, Kaspar Kirstein ; Kitanovski, A ; Bahl, Christian R.H. ; Poredoš, A
in: Journal of Physics D: Applied Physics, vol: 46, issue: 25, pages: 255002

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2013     |    DOI: https://doi.org/10.1088/0022-3727/46/25/255002

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Material properties and modeling characteristics for MnFeP1-xAsx materials for application in magnetic refrigeration

Engelbrecht, Kurt ; Nielsen, Kaspar Kirstein ; Bahl, Christian R.H. ; Carroll, C. P. ; van Asten, D.
in: Journal of Applied Physics, vol: 113, issue: 17, pages: 173510

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2013     |    DOI: https://doi.org/10.1063/1.4803495

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Numerical modeling of the impact of regenerator housing on the determination of Nusselt numbers

Nielsen, Kaspar Kirstein ; Nellis, G.F. ; Klein, S.A.
in: International Journal of Heat and Mass Transfer, vol: 65, pages: 552-560

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2013     |    DOI: https://doi.org/10.1016/j.ijheatmasstransfer.2013.06.032

 

Performance analysis of a rotary active magnetic refrigerator

Lozano, Jaime ; Engelbrecht, Kurt ; Bahl, Christian R.H. ; Nielsen, Kaspar Kirstein ; Eriksen, Dan ; Olsen, Ulrik Lund ; Barbosa Jr., J.R. ; Smith, Anders ; Prata, A.T. ; Pryds, Nini
in: Applied Energy, vol: 111, pages: 669-680

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2013     |    DOI: https://doi.org/10.1016/j.apenergy.2013.05.039

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The effect of flow maldistribution in heterogeneous parallel-plate active magnetic regenerators

Nielsen, Kaspar Kirstein ; Bahl, Christian R.H. ; Engelbrecht, Kurt
in: Journal of Physics D: Applied Physics, vol: 46, pages: 105002

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2013     |    DOI: https://doi.org/10.1088/0022-3727/46/10/105002

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The influence of flow maldistribution on the performance of inhomogeneous parallel plate heat exhangers

Nielsen, Kaspar Kirstein ; Engelbrecht, Kurt ; Bahl, Christian R.H.
in: International Journal of Heat and Mass Transfer, vol: 60, pages: 432–439

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2013     |    DOI: https://doi.org/10.1016/j.ijheatmasstransfer.2013.01.018

2012
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Degradation of the performance of microchannel heat exchangers due to flow maldistribution

Nielsen, Kaspar Kirstein ; Engelbrecht, Kurt ; Christensen, Dennis ; Jensen, Jesper Buch ; Smith, Anders ; Bahl, Christian
in: Applied Thermal Engineering, vol: 40, pages: 236-247

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2012     |    DOI: https://doi.org/10.1016/j.applthermaleng.2012.02.019

  PDF

Development and Experimental Results from a 1 kW Prototype AMR

Bahl, Christian ; Engelbrecht, Kurt ; Eriksen, Dan ; Lozano, Jaime ; Bjørk, Rasmus ; Geyti, Jørgen ; Nielsen, Kaspar Kirstein ; Smith, Anders ; Pryds, Nini
part of: Proceedings of the fifth IIF-IIR International Conference on Magnetic Refrigeration at Room Temperature, 2012
Presented at:
5th IIF-IIR International Conference on Magnetic Refrigeration at Room Temperature

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2012

 

Experimental and modelling results of a parallel-plate based active magnetic regenerator

Tura, A. ; Nielsen, Kaspar Kirstein ; Rowe, A.
in: International Journal of Refrigeration, vol: 35

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2012     |    DOI: https://doi.org/10.1016/j.ijrefrig.2012.04.016

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Experimental and numerical results of a high frequency rotating active magnetic refrigerator

Lozano, Jaime ; Engelbrecht, Kurt ; Bahl, Christian ; Nielsen, Kaspar Kirstein ; Barbosa Jr., J.R. ; Prata, A.T. ; Pryds, Nini
part of: Proceedings of the fifth IIF-IIR International Conference on Magnetic Refrigeration at Room Temperature, 2012
Presented at:
5th IIF-IIR International Conference on Magnetic Refrigeration at Room Temperature

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2012

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Experimental investigation of the effect of thermal hysteresis in MnFeP1-x Asx materials applied in an AMR device

von Moos, Lars ; Nielsen, Kaspar Kirstein ; Engelbrecht, Kurt ; Bahl, Christian
part of: Proceedings of the fifth IIF-IIR International Conference on Magnetic Refrigeration at Room Temperature, 2012
Presented at:
5th IIF-IIR International Conference on Magnetic Refrigeration at Room Temperature

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2012

 

Experimental results for a novel rotary active magnetic regenerator

Engelbrecht, Kurt ; Eriksen, Dan ; Bahl, Christian ; Bjørk, Rasmus ; Geyti, Jørgen ; Lozano, Jaime ; Nielsen, Kaspar Kirstein ; Saxild, Finn B. ; Smith, Anders ; Pryds, Nini
in: International Journal of Refrigeration, vol: 35, issue: 6, pages: 1498-1505

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2012     |    DOI: https://doi.org/10.1016/j.ijrefrig.2012.05.003

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High performance magnetocaloric perovskites for magnetic refrigeration

Bahl, Christian R. H. ; Velazquez, David ; Nielsen, Kaspar K. ; Engelbrecht, Kurt ; Andersen, Kjeld B. ; Bulatova, Regina ; Pryds, Nini
in: Applied Physics Letters, vol: 100, issue: 12, pages: 121905

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2012     |    DOI: https://doi.org/10.1063/1.3695338

 

Materials Challenges for High Performance Magnetocaloric Refrigeration Devices

Smith, Anders ; Bahl, Christian ; Bjørk, Rasmus ; Engelbrecht, Kurt ; Nielsen, Kaspar Kirstein ; Pryds, Nini
in: Advanced Energy Materials, vol: 2, pages: 1288–1318

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2012     |    DOI: https://doi.org/10.1002/aenm.201200167

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Modeling of In-vehicle Magnetic refrigeration

Olsen, Ulrik Lund ; Bahl, Christian ; Engelbrecht, Kurt ; Nielsen, Kaspar Kirstein ; Tasaki, Y. ; Takahashi, H. ; Yasuda, Y.
part of: Proceedings of the fifth IIF-IIR International Conference on Magnetic Refrigeration at Room Temperature, 2012
Presented at:
5th IIF-IIR International Conference on Magnetic Refrigeration at Room Temperature

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2012

 

Properties of magnetocaloric materials with a distribution of Curie temperatures

Bahl, Christian Robert Haffenden ; Bjørk, Rasmus ; Smith, Anders ; Nielsen, Kaspar Kirstein
in: Journal of Magnetism and Magnetic Materials, vol: 324, issue: 4, pages: 564-568

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2012     |    DOI: https://doi.org/10.1016/j.jmmm.2011.08.044

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The influence of demagnetizing effects on the performance of active magnetic regenerators

Nielsen, Kaspar Kirstein ; Smith, Anders ; Bahl, Christian ; Olsen, Ulrik Lund
in: Journal of Applied Physics, vol: 112, pages: 094905

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2012     |    DOI: https://doi.org/10.1063/1.4764039

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The influence of non-magnetocaloric properties on the AMR performance

Nielsen, Kaspar Kirstein ; Bahl, Christian ; Smith, Anders ; Engelbrecht, Kurt ; Olsen, Ulrik Lund ; Pryds, Nini
part of: Proceedings of the fifth IIF-IIR International Conference on Magnetic Refrigeration at Room Temperature, 2012
Presented at:
5th IIF-IIR International Conference on Magnetic Refrigeration at Room Temperature

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2012

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The influence of the solid thermal conductivity on active magnetic regenerators

Nielsen, Kaspar Kirstein ; Engelbrecht, Kurt
in: Journal of Physics D: Applied Physics, vol: 45, issue: 14, pages: 145001

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2012     |    DOI: https://doi.org/10.1088/0022-3727/45/14/145001

2011
 

Design concepts for a continuously rotating active magnetic regenerator

Bahl, Christian Robert Haffenden ; Engelbrecht, Kurt ; Bjørk, Rasmus ; Eriksen, Dan ; Smith, Anders ; Nielsen, Kaspar Kirstein ; Pryds, Nini
in: International Journal of Refrigeration, vol: 34, issue: 8, pages: 1792-1796
Presented at:
23rd IIR International Congress of Refrigeration

Type: Conference article (Peer reviewed)

Status: Published     |    År: 2011     |    DOI: https://doi.org/10.1016/j.ijrefrig.2011.07.013

 

A Monolithic Perovskite Structure for Use as a Magnetic Regenerator

Pryds, Nini ; Clemens, Frank ; Menon, Mohan ; Nielsen, Pernille Hedemark ; Brodersen, Karen ; Bjørk, Rasmus ; Bahl, Christian Robert Haffenden ; Engelbrecht, Kurt ; Nielsen, Kaspar Kirstein ; Smith, Anders
in: Journal of the American Ceramic Society, vol: 94, issue: 8, pages: 2549-2555

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2011     |    DOI: https://doi.org/10.1111/j.1551-2916.2011.04398.x

 

An experimental study of passive regenerator geometries

Engelbrecht, Kurt ; Nielsen, Kaspar Kirstein ; Pryds, Nini
in: International Journal of Refrigeration, vol: 34, issue: 8, pages: 1817-1822
Presented at:
23rd IIR International Congress of Refrigeration

Type: Conference article (Peer reviewed)

Status: Published     |    År: 2011     |    DOI: https://doi.org/10.1016/j.ijrefrig.2011.07.015

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Demagnetizing effects in stacked rectangular prisms

Christensen, Dennis ; Nielsen, Kaspar Kirstein ; Bahl, Christian Robert Haffenden ; Smith, Anders
in: Journal of Physics D: Applied Physics, vol: 44, issue: 21, pages: 215004

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2011     |    DOI: https://doi.org/10.1088/0022-3727/44/21/215004

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Experimental results for a magnetic refrigerator using three different types of magnetocaloric material regenerators

Engelbrecht, Kurt ; Bahl, Christian Robert Haffenden ; Nielsen, Kaspar Kirstein
in: International Journal of Refrigeration, vol: 34, issue: 4, pages: 1132-1140

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2011     |    DOI: https://doi.org/10.1016/j.ijrefrig.2010.11.014

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Measuring the effect of demagnetization in stacks of gadolinium plates using the magnetocaloric effect

Lipsø, Hans Kasper Wigh ; Nielsen, Kaspar Kirstein ; Christensen, Dennis ; Bahl, Christian Robert Haffenden ; Engelbrecht, Kurt ; Kuhn, Luise Theil ; Smith, Anders
in: Journal of Magnetism and Magnetic Materials, vol: 323, issue: 23, pages: 3027-3032

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2011     |    DOI: https://doi.org/10.1016/j.jmmm.2011.06.052

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Review on numerical modeling of active magnetic regenerators for room temperature applications

Nielsen, Kaspar Kirstein ; Tusek, Jaka ; Engelbrecht, Kurt ; Schopfer, Sandro ; Kitanovski, Andrej ; Bahl, Christian Robert Haffenden ; Smith, Anders ; Pryds, Nini ; Poredos, Alojz
in: International Journal of Refrigeration, vol: 34, issue: 3, pages: 603-616

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2011     |    DOI: https://doi.org/10.1016/j.ijrefrig.2010.12.026

2010
 

A comprehensive parameter study of an active magnetic regenerator using a 2D numerical model

Nielsen, Kaspar Kirstein ; Bahl, Christian Robert Haffenden ; Smith, Anders ; Pryds, Nini ; Hattel, Jesper Henri
in: International Journal of Refrigeration, vol: 33, issue: 4, pages: 753-764

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2010     |    DOI: https://doi.org/10.1016/j.ijrefrig.2009.12.024

 

An Experimental Study of Passive Regenerator Geometries

Engelbrecht, Kurt ; Nielsen, Kaspar Kirstein ; Pryds, Nini
part of: 4th International Conference on Magnetic Refrigeration at Room Temperature, pages: 305-312, 2010, International Institute of Refrigeration, Paris
Presented at:
4th International Conference of IIR on Magnetic Refrigeration at Room Temperature

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2010

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Constraints on the Adiabatic Temperature Change in Magnetocaloric Materials

Nielsen, Kaspar Kirstein ; Bahl, Christian Robert Haffenden ; Smith, Anders
in: Physical Review B Condensed Matter, vol: 81, issue: 5, pages: 054423

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2010     |    DOI: https://doi.org/10.1103/PhysRevB.81.054423

 

Numerical analysis of a linear reciprocating active magnetic regenerator

Nielsen, Kaspar Kirstein ; Barbosa, Jader ; Trevizoli, Paolo
part of: Thermag IV, pages: 437-444, 2010
Presented at:
4th International Conference of IIR on Magnetic Refrigeration at Room Temperature

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2010

 

Numerical modeling of graded active magnetic regenerators

Nielsen, Kaspar Kirstein ; Bahl, Christian Robert Haffenden ; Engelbrecht, Kurt ; Smith, Anders ; Pryds, Nini ; Hattel, Jesper Henri
part of: Thermag IV, pages: 445-453, 2010
Presented at:
4th International Conference of IIR on Magnetic Refrigeration at Room Temperature

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2010

 

Spatially resolved measurements of the magnetocaloric effect and the local magnetic field using thermography

Christensen, Dennis ; Bjørk, Rasmus ; Nielsen, Kaspar Kirstein ; Bahl, Christian Robert Haffenden ; Smith, Anders ; Clausen, Sønnik
in: Journal of Applied Physics, vol: 108, issue: 6, pages: 063913

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2010     |    DOI: https://doi.org/10.1063/1.3487943

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The demagnetizing field of a non-uniform rectangular prism

Smith, Anders ; Nielsen, Kaspar Kirstein ; Christensen, Dennis ; Bahl, Christian Robert Haffenden ; Bjørk, Rasmus ; Hattel, Jesper Henri
in: Journal of Applied Physics, vol: 107, issue: 10, pages: 103910

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2010     |    DOI: https://doi.org/10.1063/1.3385387

2009
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2-dimensional numerical modeling of active magnetic regeneration

Nielsen, Kaspar Kirstein ; Pryds, Nini ; Smith, Anders ; Bahl, Christian Robert Haffenden ; Hattel, Jesper Henri
part of: 3rd International Conference on Magnetic Refrigeration at Room Temperature, pages: 251-258, 2009, International Institute of Refrigeration
Presented at:
3rd International Conference of the IIR on Magnetic Refrigeration at Room Temperature

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2009

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Active Magnetic Regenerative Refrigeration

Nielsen, Kaspar Kirstein ; Engelbrecht, Kurt ; Bahl, Christian Robert Haffenden ; Smith, Anders ; Pryds, Nini ; Hattel, Jesper Henri
Presented at:
7th World Conference on Experimental Heat Transfer, Fluid Mechanics and Thermodynamics

Type: Poster

Status: Published     |    År: 2009

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Detailed numerical modeling of a linear parallel-plate Active Magnetic Regenerator

Nielsen, Kaspar Kirstein ; Bahl, Christian Robert Haffenden ; Smith, Anders ; Bjørk, Rasmus ; Pryds, Nini ; Hattel, Jesper Henri
in: International Journal of Refrigeration, vol: 32, issue: 6, pages: 1478-1486

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2009     |    DOI: https://doi.org/10.1016/j.ijrefrig.2009.03.003

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Magnetic cooling at Risoe DTU

Nielsen, Kaspar Kirstein ; Bjørk, Rasmus ; Jensen, Jesper Buch ; Bahl, Christian Robert Haffenden ; Pryds, Nini ; Smith, Anders ; Nordentoft, Anders ; Hattel, Jesper Henri
in: arXiv.org, e-Print Archive, Condensed Matter

Type: Journal article

Status: Published     |    År: 2009     |    DOI: https://doi.org/10.1016/j.scriptamat.2012.08.036

 

Numerical modeling in magnetic refrigeration

Bjørk, Rasmus ; Nielsen, Kaspar Kirstein ; Smith, Anders ; Bahl, Christian Robert Haffenden ; Pryds, Nini ; Hattel, J.
part of: Proceedings of SIMS 50, 2009, SIMS 50 Organizing Committee
Presented at:
50th International Conference of Scandinavian Simulation Society

Type: Article in proceedings

Status: Published     |    År: 2009

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Numerical Modeling of Multi-Material Active Magnetic Regeneration

Nielsen, Kaspar Kirstein ; Engelbrecht, Kurt ; Bahl, Christian Robert Haffenden ; Smith, Anders ; Pryds, Nini ; Hattel, Jesper Henri
part of: ExHFT-7, pages: 515-522, 2009, AGH University of Science and Technology Press
Presented at:
7th World Conference on Experimental Heat Transfer, Fluid Mechanics and Thermodynamics

Type: Article in proceedings

Status: Published     |    År: 2009

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Study of a plate of the magnetocaloric material La(Fe,Co,Si)13

Hansen, Britt Rosendahl ; Katter, Matthias ; Kuhn, Luise Theil ; Bahl, Christian Robert Haffenden ; Smith, Anders ; Ancona-Torres, Carlos Eugenio ; Nielsen, Kaspar Kirstein
Presented at:
3rd International Conference of the IIR on Magnetic Refrigeration at Room Temperature

Type: Poster

Status: Published     |    År: 2009

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The effect of demagnetization on the magnetocaloric properties of gadolinium

Bahl, Christian Robert Haffenden ; Nielsen, Kaspar Kirstein
in: Journal of Applied Physics, vol: 105, issue: 1, pages: 013916

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2009     |    DOI: https://doi.org/10.1063/1.3056220

2008
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Magnetic Cooling at Risø DTU

Nielsen, Kaspar Kirstein ; Bjørk, Rasmus ; Jensen, Jesper Buch ; Bahl, Christian Robert Haffenden ; Pryds, Nini ; Smith, Anders ; Nordentoft, Anders ; Hattel, Jesper Henri
part of: 8th IIF/IIR Gustav Lorentzen Conference on Natural Working Fluids, 2008
Presented at:
8th IIF/IIR Gustav Lorentzen Conference on Natural Working Fluids

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2008

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Numerical modeling of parallel-plate based AMR

Nielsen, Kaspar Kirstien ; Pryds, Nini ; Engelbrecht, Kurt
Presented at:
Delft Days on Magnetocalorics

Type: Sound/Visual production (digital)

Status: Published     |    År: 2008