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IIR document

Numerical analysis for smaller entropy generation of micro-unit magnetic refrigerator at room temperature.
- Author(s) : ZHANG H., WU J., HE J., ZHANG Y., CHEN J.
- Publication date: 2023/01
- Languages : English
- Keywords : Magnetic refrigerator, Entropy, Performance, Regeneration, Modelling, Optimization, Calculation
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 145
- Formats : PDF
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Energy storage systems – energy based versus entropy forces.
- Author(s) : BANASZKIEWICZ T., CHOROWSKI M.
- Publication date: 2023/08/21
- Languages : English
- Keywords : Energy storage, Thermodynamics, Entropy, Performance, Compression, Calculation
- Source: Proceedings of the 26^th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
- Formats : PDF
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A computational study about the types of entropy generation in three different R134a ejector mixing chambers.
- Author(s) : SIERRA-PALLARES J., GARCÍA del VALLE J., GARCÍA CARRASCAL P., et al.
- Publication date: 2016/03
- Languages : English
- Keywords : R134a, CFD, Wave, Entropy, Ejector
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 63
- Formats : PDF
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Entropy parameters for falling film absorber optimization.
- Author(s) : GIANNETTI N., ROCCHETTI A., LUBIS A., et al.
- Publication date: 2016/01/25
- Languages : English
- Keywords : Horizontal tube, Simulation, Optimization, Falling film, Entropy, Irreversibility, Absorber
- Source: Applied Thermal Engineering - vol. 93
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Viscosity of refrigerants and other working fluids from residual entropy scaling.
- Author(s) : BELL I., LAESECKE A.
- Publication date: 2016/07/11
- Languages : English
- Keywords : Working fluid, Viscosity, Measurement, R124, Entropy, Refrigerant
- Source: 2016 Purdue Conferences. 16th International Refrigeration and Air-Conditioning Conference at Purdue.
- Formats : PDF
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IIR document

Entropy production minimization of a CRHP.
- Author(s) : AARTS S. P., GUÕJÓNSDÓTTIR V., INFANTE FERREIRA C., et al.
- Publication date: 2017/04/23
- Languages : English
- Keywords : Resorption, Ammonia-water, Heat pump, Performance, Optimization, Entropy, Compression, Waste heat
- Source: 5^th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants.
- Formats : PDF
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Using local entropy generation rate in air-side heat exchanger design.
- Author(s) : FRIESTAD M., JACOBI A.
- Publication date: 2022
- Languages : English
- Keywords : CFD, Heat exchanger, Optimization, Entropy, Thermodynamics, Modelling, Simulation
- Source: 2022 Purdue Conferences. 19^th International Refrigeration and Air-Conditioning Conference at Purdue.
- Formats : PDF
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Critical heat balance error for heat exchanger experiment based on entropy generation method.
- Author(s) : ZHANG Z., ZHANG Y., ZHOU W., et al.
- Publication date: 2016/02/05
- Languages : English
- Keywords : Heat balance, Expérimentation, Critical state, Entropy, Heat exchanger
- Source: Applied Thermal Engineering - vol. 94
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Étude tridimensionnelle de la convection naturelle et de la génération d'entropie dans un capteur solaire équipé de partitions.

Tridimensional study of the natural convection and the entropy generation in a solar collector equipped with partitions.
- Author(s) : YEJJER O., KOLSI L., NACEUR BORJINI M., et al.
- Publication date: 2016/03/24
- Languages : French
- Keywords : Solar collector, Free convection, Heat transfer, Performance, Optimization, Entropy, Baffle
- Source: 1st International Refrigeration, Energy and Environment Colloquium. Proceedings: Hammamet, Tunisia, March 24-27, 2016.
- Formats : PDF
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IIR document

A residual entropy scaling approach for viscosity of refrigerants, other fluids and their mixtures.
- Author(s) : YANG X., XIAO X., THOL M., RICHTER M., BELL I. H.
- Publication date: 2023/08/21
- Languages : English
- Keywords : Entropy, Mixture, Equation of state, Thermodynamic property, Viscosity, Modelling, Refrigerant
- Source: Proceedings of the 26^th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
- Formats : PDF
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The study of entropy generation during flow boiling in a micro-fin tube.
- Author(s) : ABDOUS M. A., SAFFARI H., BARZEGAR AVVAL H., et al.
- Publication date: 2016/08
- Languages : English
- Keywords : Heat transfer coefficient, Microfin tube, Entropy, Boiling, Pressure drop
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 68
- Formats : PDF
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IIR document

Diagrams of entropy for ammonia–water mixtures: Applications to absorption refrigeration systems.
- Author(s) : DOS SANTOS NAPOLEAO D. A., SILVEIRA J. L., GIACAGLIA O., et al.
- Publication date: 2017/10
- Languages : English
- Keywords : Diagram, Ammonia-water, Absorption system, Thermodynamic property, Optimization, Modelling, Mixture, Entropy
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 82
- Formats : PDF
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The study of entropy change and magnetocaloric response in magnetic nanoparticles via heat capacity measurements.
- Author(s) : KAPUSTA O., ZELENAKOVA A., HRUBOVCAK P., et al.
- Publication date: 2018/02
- Languages : English
- Keywords : Heat capacity, Measurement, Temperature, Adiabatic magnetization, Nanoparticle, Entropy, Magnetocaloric effect
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 86
- Formats : PDF
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Entropy generation analysis of an automotive air-conditioning system by absorption.
- Author(s) : AIANE M., RAMOUSSE J., STUTZ B., et al.
- Publication date: 2017/08/07
- Languages : English
- Keywords : Car, Absorption, Simulation, Heat loss, Entropy, Mobile air conditioning, Water-lithium bromide
- Source: International sorption heat pump conference, ISHPC 2017, Tokyo august 7-10.
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Entropy generation and exergy loss of R123-MWCNTs nanorefrigerant in flow condensation.
- Author(s) : KUMAR R., SINGH D. K., CHANDER S.
- Publication date: 2024/01
- Languages : English
- Keywords : Entropy, Exergy, Nanofluid, Heat transfer, Nanorefrigerant, Horizontal tube, Condensation, Testing, Thermodynamic property
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 157
- Formats : PDF
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See all results in the Fridoc database

Refrigeration thanks to plastic crystals

Researchers have found that "plastic crystals" undergo particularly high temperature variations when subjected to pressure changes. These materials could be used for the development of the promising technology of barocaloric refrigeration.
- Publication date : 2019/04/30
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Magnetic refrigeration, a promising technology for the liquefaction of hydrogen

A keynote at the recent IIR Congress highlights magnetic refrigeration as a technology with high potential for the liquefaction of hydrogen, an essential energy vector for decarbonisation.
- Publication date : 2023/11/28
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R32 vs HFOs as alternatives to R410A

During the IIR-co-sponsored 14thInternational Refrigeration and Air Conditioning Conference at Purdue, USA, in July 2012, H. Pham and R. Rajendran presented the results of an evaluation of R32, HFO1234yf, HFO1234ze and various HFO blends as...
- Publication date : 2013/01/07
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Heat pump and ice storage for heating and cooling an energy neutral German office building

Schnepf, a German company, has designed its new 2,500 m2 office building with an innovative energy concept, combining ice storage, a heat pump and solar energy.
- Publication date : 2018/05/09
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New publications

The IIR has issued 3 new publications: - the 20th Informatory Note on Refrigerating Technologies Magnetic Refrigeration at Room Temperature, written by P. Egolf - Chairman of the IIR working party dedicated to this technology - and Ronald...
- Publication date : 2007/11/20
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Additive manufacturing of regenerators for caloric cooling

In many areas of engineering, additive manufacturing allows the production of complex and multifunctional products that could not be manufactured using traditional methods. In the...
- Last update : 2022/09/16
- Langues : English, French
- Themes : Caloric cooling (magnetocaloric, electrocaloric, elastocaloric and barocaloric cooling)
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