Phenomenological Material Model for First-Order Electrocaloric Material Article Swipe
Sabrina Unmüßig
,
D. R. Bach
,
Youri Nouchokgwe
,
Emmanuel Defaÿ
,
Kilian Bartholomé
·
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.3390/en16155837
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.3390/en16155837
Caloric cooling systems are potentially more efficient than systems based on vapour compression. Electrocaloric cooling systems use a phase transformation from the paraelectric to the ferroelectric state by applying or removing an electric field to pump heat. Lead scandium tantalate (PST) materials show a first-order phase transition and are one of the most promising candidates for electrocaloric cooling. To model caloric cooling systems, accurate and thermodynamically consistent material models are required. In this study, we use a phenomenological model based on an analytical equation for the specific heat capacity to describe the material behaviour of bulk PST material. This model is fitted to the experimental data, showing a very good agreement. Based on this model, essential material properties such as the adiabatic temperature change and isothermal entropy change of this material can be calculated.
Related Topics
Concepts
Electrocaloric effect
Materials science
Adiabatic process
Phenomenological model
Phase transition
Isothermal process
Thermodynamics
Latent heat
Refrigerant
Material properties
Dielectric
Phase-change material
Ferroelectricity
Condensed matter physics
Physics
Phase change
Heat exchanger
Composite material
Optoelectronics
Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3390/en16155837
- https://www.mdpi.com/1996-1073/16/15/5837/pdf?version=1691394988
- OA Status
- gold
- References
- 25
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4385636602
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4385636602Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.3390/en16155837Digital Object Identifier
- Title
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Phenomenological Material Model for First-Order Electrocaloric MaterialWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2023Year of publication
- Publication date
-
2023-08-07Full publication date if available
- Authors
-
Sabrina Unmüßig, D. R. Bach, Youri Nouchokgwe, Emmanuel Defaÿ, Kilian BartholoméList of authors in order
- Landing page
-
https://doi.org/10.3390/en16155837Publisher landing page
- PDF URL
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https://www.mdpi.com/1996-1073/16/15/5837/pdf?version=1691394988Direct link to full text PDF
- Open access
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YesWhether a free full text is available
- OA status
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goldOpen access status per OpenAlex
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https://www.mdpi.com/1996-1073/16/15/5837/pdf?version=1691394988Direct OA link when available
- Concepts
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Electrocaloric effect, Materials science, Adiabatic process, Phenomenological model, Phase transition, Isothermal process, Thermodynamics, Latent heat, Refrigerant, Material properties, Dielectric, Phase-change material, Ferroelectricity, Condensed matter physics, Physics, Phase change, Heat exchanger, Composite material, OptoelectronicsTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
0Total citation count in OpenAlex
- References (count)
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25Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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