Numerical Study on Heat and Mass Transfer of Evaporated Binary Zeotropic Mixtures in Porous Structure

This study investigates the heat and mass transfer characteristics of a binary mixture (R134a/R245fa) evaporated in a porous medium. The Eulerian model coupled with the multiphase VOF model and species transport equations is employed to establish a multi-component evaporation model. The effects of h...
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Autor*in:	Bo Zhang [verfasserIn] Peilin Cui [verfasserIn] Zhiguo Wang [verfasserIn] Zhiwei Sun [verfasserIn] Bo Kong [verfasserIn] Wei Wang [verfasserIn] Wen Du [verfasserIn] Ping Huang [verfasserIn] Zhenhai Pan [verfasserIn] Zhenyu Liu [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	binary zeotropic mixture species transport evaporation heat transfer porous medium

Übergeordnetes Werk:	In: Energies - MDPI AG, 2008, 16(2023), 6526, p 6526
Übergeordnetes Werk:	volume:16 ; year:2023 ; number:6526, p 6526

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/en16186526

Katalog-ID:	DOAJ093417446

Internformat


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520			\|a This study investigates the heat and mass transfer characteristics of a binary mixture (R134a/R245fa) evaporated in a porous medium. The Eulerian model coupled with the multiphase VOF model and species transport equations is employed to establish a multi-component evaporation model. The effects of heat flux ranging from 200 kW/m<sup<2</sup< to 500 kW/m<sup<2</sup<, porosity ranging from 0.4 to 0.6, and mass fraction ratios (R134a/R245fa) of 3:7, 5:5, and 7:3 are explored. The results indicate that an increase in heat flux contributes to an increase in the evaporation rate. For the overall evaporation rate, the evaporation rates of R134a and R245fa improve by 11.3%, 6.9%, and 16.3%, respectively, while the maximum improvement in heat transfer coefficient is only 1.4%. The maximum evaporation rate is achieved at intermediate porosity in the porous medium, and the highest heat transfer coefficient is obtained at a porosity of 0.4. With the increase in mass fraction, the evaporation rate of the corresponding species also increases, while the overall evaporation rate and heat transfer coefficient remain almost unchanged.
650		4	\|a binary zeotropic mixture
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allfields	10.3390/en16186526 doi (DE-627)DOAJ093417446 (DE-599)DOAJc654079ec01444eeb952c1fe7c067af2 DE-627 ger DE-627 rakwb eng Bo Zhang verfasserin aut Numerical Study on Heat and Mass Transfer of Evaporated Binary Zeotropic Mixtures in Porous Structure 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This study investigates the heat and mass transfer characteristics of a binary mixture (R134a/R245fa) evaporated in a porous medium. The Eulerian model coupled with the multiphase VOF model and species transport equations is employed to establish a multi-component evaporation model. The effects of heat flux ranging from 200 kW/m<sup<2</sup< to 500 kW/m<sup<2</sup<, porosity ranging from 0.4 to 0.6, and mass fraction ratios (R134a/R245fa) of 3:7, 5:5, and 7:3 are explored. The results indicate that an increase in heat flux contributes to an increase in the evaporation rate. For the overall evaporation rate, the evaporation rates of R134a and R245fa improve by 11.3%, 6.9%, and 16.3%, respectively, while the maximum improvement in heat transfer coefficient is only 1.4%. The maximum evaporation rate is achieved at intermediate porosity in the porous medium, and the highest heat transfer coefficient is obtained at a porosity of 0.4. With the increase in mass fraction, the evaporation rate of the corresponding species also increases, while the overall evaporation rate and heat transfer coefficient remain almost unchanged. binary zeotropic mixture species transport evaporation heat transfer porous medium Technology T Peilin Cui verfasserin aut Zhiguo Wang verfasserin aut Zhiwei Sun verfasserin aut Bo Kong verfasserin aut Wei Wang verfasserin aut Wen Du verfasserin aut Ping Huang verfasserin aut Zhenhai Pan verfasserin aut Zhenyu Liu verfasserin aut In Energies MDPI AG, 2008 16(2023), 6526, p 6526 (DE-627)572083742 (DE-600)2437446-5 19961073 nnns volume:16 year:2023 number:6526, p 6526 https://doi.org/10.3390/en16186526 kostenfrei https://doaj.org/article/c654079ec01444eeb952c1fe7c067af2 kostenfrei https://www.mdpi.com/1996-1073/16/18/6526 kostenfrei https://doaj.org/toc/1996-1073 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 16 2023 6526, p 6526
spelling	10.3390/en16186526 doi (DE-627)DOAJ093417446 (DE-599)DOAJc654079ec01444eeb952c1fe7c067af2 DE-627 ger DE-627 rakwb eng Bo Zhang verfasserin aut Numerical Study on Heat and Mass Transfer of Evaporated Binary Zeotropic Mixtures in Porous Structure 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This study investigates the heat and mass transfer characteristics of a binary mixture (R134a/R245fa) evaporated in a porous medium. The Eulerian model coupled with the multiphase VOF model and species transport equations is employed to establish a multi-component evaporation model. The effects of heat flux ranging from 200 kW/m<sup<2</sup< to 500 kW/m<sup<2</sup<, porosity ranging from 0.4 to 0.6, and mass fraction ratios (R134a/R245fa) of 3:7, 5:5, and 7:3 are explored. The results indicate that an increase in heat flux contributes to an increase in the evaporation rate. For the overall evaporation rate, the evaporation rates of R134a and R245fa improve by 11.3%, 6.9%, and 16.3%, respectively, while the maximum improvement in heat transfer coefficient is only 1.4%. The maximum evaporation rate is achieved at intermediate porosity in the porous medium, and the highest heat transfer coefficient is obtained at a porosity of 0.4. With the increase in mass fraction, the evaporation rate of the corresponding species also increases, while the overall evaporation rate and heat transfer coefficient remain almost unchanged. binary zeotropic mixture species transport evaporation heat transfer porous medium Technology T Peilin Cui verfasserin aut Zhiguo Wang verfasserin aut Zhiwei Sun verfasserin aut Bo Kong verfasserin aut Wei Wang verfasserin aut Wen Du verfasserin aut Ping Huang verfasserin aut Zhenhai Pan verfasserin aut Zhenyu Liu verfasserin aut In Energies MDPI AG, 2008 16(2023), 6526, p 6526 (DE-627)572083742 (DE-600)2437446-5 19961073 nnns volume:16 year:2023 number:6526, p 6526 https://doi.org/10.3390/en16186526 kostenfrei https://doaj.org/article/c654079ec01444eeb952c1fe7c067af2 kostenfrei https://www.mdpi.com/1996-1073/16/18/6526 kostenfrei https://doaj.org/toc/1996-1073 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 16 2023 6526, p 6526
allfields_unstemmed	10.3390/en16186526 doi (DE-627)DOAJ093417446 (DE-599)DOAJc654079ec01444eeb952c1fe7c067af2 DE-627 ger DE-627 rakwb eng Bo Zhang verfasserin aut Numerical Study on Heat and Mass Transfer of Evaporated Binary Zeotropic Mixtures in Porous Structure 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This study investigates the heat and mass transfer characteristics of a binary mixture (R134a/R245fa) evaporated in a porous medium. The Eulerian model coupled with the multiphase VOF model and species transport equations is employed to establish a multi-component evaporation model. The effects of heat flux ranging from 200 kW/m<sup<2</sup< to 500 kW/m<sup<2</sup<, porosity ranging from 0.4 to 0.6, and mass fraction ratios (R134a/R245fa) of 3:7, 5:5, and 7:3 are explored. The results indicate that an increase in heat flux contributes to an increase in the evaporation rate. For the overall evaporation rate, the evaporation rates of R134a and R245fa improve by 11.3%, 6.9%, and 16.3%, respectively, while the maximum improvement in heat transfer coefficient is only 1.4%. The maximum evaporation rate is achieved at intermediate porosity in the porous medium, and the highest heat transfer coefficient is obtained at a porosity of 0.4. With the increase in mass fraction, the evaporation rate of the corresponding species also increases, while the overall evaporation rate and heat transfer coefficient remain almost unchanged. binary zeotropic mixture species transport evaporation heat transfer porous medium Technology T Peilin Cui verfasserin aut Zhiguo Wang verfasserin aut Zhiwei Sun verfasserin aut Bo Kong verfasserin aut Wei Wang verfasserin aut Wen Du verfasserin aut Ping Huang verfasserin aut Zhenhai Pan verfasserin aut Zhenyu Liu verfasserin aut In Energies MDPI AG, 2008 16(2023), 6526, p 6526 (DE-627)572083742 (DE-600)2437446-5 19961073 nnns volume:16 year:2023 number:6526, p 6526 https://doi.org/10.3390/en16186526 kostenfrei https://doaj.org/article/c654079ec01444eeb952c1fe7c067af2 kostenfrei https://www.mdpi.com/1996-1073/16/18/6526 kostenfrei https://doaj.org/toc/1996-1073 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 16 2023 6526, p 6526
allfieldsGer	10.3390/en16186526 doi (DE-627)DOAJ093417446 (DE-599)DOAJc654079ec01444eeb952c1fe7c067af2 DE-627 ger DE-627 rakwb eng Bo Zhang verfasserin aut Numerical Study on Heat and Mass Transfer of Evaporated Binary Zeotropic Mixtures in Porous Structure 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This study investigates the heat and mass transfer characteristics of a binary mixture (R134a/R245fa) evaporated in a porous medium. The Eulerian model coupled with the multiphase VOF model and species transport equations is employed to establish a multi-component evaporation model. The effects of heat flux ranging from 200 kW/m<sup<2</sup< to 500 kW/m<sup<2</sup<, porosity ranging from 0.4 to 0.6, and mass fraction ratios (R134a/R245fa) of 3:7, 5:5, and 7:3 are explored. The results indicate that an increase in heat flux contributes to an increase in the evaporation rate. For the overall evaporation rate, the evaporation rates of R134a and R245fa improve by 11.3%, 6.9%, and 16.3%, respectively, while the maximum improvement in heat transfer coefficient is only 1.4%. The maximum evaporation rate is achieved at intermediate porosity in the porous medium, and the highest heat transfer coefficient is obtained at a porosity of 0.4. With the increase in mass fraction, the evaporation rate of the corresponding species also increases, while the overall evaporation rate and heat transfer coefficient remain almost unchanged. binary zeotropic mixture species transport evaporation heat transfer porous medium Technology T Peilin Cui verfasserin aut Zhiguo Wang verfasserin aut Zhiwei Sun verfasserin aut Bo Kong verfasserin aut Wei Wang verfasserin aut Wen Du verfasserin aut Ping Huang verfasserin aut Zhenhai Pan verfasserin aut Zhenyu Liu verfasserin aut In Energies MDPI AG, 2008 16(2023), 6526, p 6526 (DE-627)572083742 (DE-600)2437446-5 19961073 nnns volume:16 year:2023 number:6526, p 6526 https://doi.org/10.3390/en16186526 kostenfrei https://doaj.org/article/c654079ec01444eeb952c1fe7c067af2 kostenfrei https://www.mdpi.com/1996-1073/16/18/6526 kostenfrei https://doaj.org/toc/1996-1073 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 16 2023 6526, p 6526
allfieldsSound	10.3390/en16186526 doi (DE-627)DOAJ093417446 (DE-599)DOAJc654079ec01444eeb952c1fe7c067af2 DE-627 ger DE-627 rakwb eng Bo Zhang verfasserin aut Numerical Study on Heat and Mass Transfer of Evaporated Binary Zeotropic Mixtures in Porous Structure 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier This study investigates the heat and mass transfer characteristics of a binary mixture (R134a/R245fa) evaporated in a porous medium. The Eulerian model coupled with the multiphase VOF model and species transport equations is employed to establish a multi-component evaporation model. The effects of heat flux ranging from 200 kW/m<sup<2</sup< to 500 kW/m<sup<2</sup<, porosity ranging from 0.4 to 0.6, and mass fraction ratios (R134a/R245fa) of 3:7, 5:5, and 7:3 are explored. The results indicate that an increase in heat flux contributes to an increase in the evaporation rate. For the overall evaporation rate, the evaporation rates of R134a and R245fa improve by 11.3%, 6.9%, and 16.3%, respectively, while the maximum improvement in heat transfer coefficient is only 1.4%. The maximum evaporation rate is achieved at intermediate porosity in the porous medium, and the highest heat transfer coefficient is obtained at a porosity of 0.4. With the increase in mass fraction, the evaporation rate of the corresponding species also increases, while the overall evaporation rate and heat transfer coefficient remain almost unchanged. binary zeotropic mixture species transport evaporation heat transfer porous medium Technology T Peilin Cui verfasserin aut Zhiguo Wang verfasserin aut Zhiwei Sun verfasserin aut Bo Kong verfasserin aut Wei Wang verfasserin aut Wen Du verfasserin aut Ping Huang verfasserin aut Zhenhai Pan verfasserin aut Zhenyu Liu verfasserin aut In Energies MDPI AG, 2008 16(2023), 6526, p 6526 (DE-627)572083742 (DE-600)2437446-5 19961073 nnns volume:16 year:2023 number:6526, p 6526 https://doi.org/10.3390/en16186526 kostenfrei https://doaj.org/article/c654079ec01444eeb952c1fe7c067af2 kostenfrei https://www.mdpi.com/1996-1073/16/18/6526 kostenfrei https://doaj.org/toc/1996-1073 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 16 2023 6526, p 6526
language	English
source	In Energies 16(2023), 6526, p 6526 volume:16 year:2023 number:6526, p 6526
sourceStr	In Energies 16(2023), 6526, p 6526 volume:16 year:2023 number:6526, p 6526
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topic_facet	binary zeotropic mixture species transport evaporation heat transfer porous medium Technology T
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authorswithroles_txt_mv	Bo Zhang @@aut@@ Peilin Cui @@aut@@ Zhiguo Wang @@aut@@ Zhiwei Sun @@aut@@ Bo Kong @@aut@@ Wei Wang @@aut@@ Wen Du @@aut@@ Ping Huang @@aut@@ Zhenhai Pan @@aut@@ Zhenyu Liu @@aut@@
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author	Bo Zhang
spellingShingle	Bo Zhang misc binary zeotropic mixture misc species transport misc evaporation heat transfer misc porous medium misc Technology misc T Numerical Study on Heat and Mass Transfer of Evaporated Binary Zeotropic Mixtures in Porous Structure
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topic_title	Numerical Study on Heat and Mass Transfer of Evaporated Binary Zeotropic Mixtures in Porous Structure binary zeotropic mixture species transport evaporation heat transfer porous medium
topic	misc binary zeotropic mixture misc species transport misc evaporation heat transfer misc porous medium misc Technology misc T
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title	Numerical Study on Heat and Mass Transfer of Evaporated Binary Zeotropic Mixtures in Porous Structure
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title_sort	numerical study on heat and mass transfer of evaporated binary zeotropic mixtures in porous structure
title_auth	Numerical Study on Heat and Mass Transfer of Evaporated Binary Zeotropic Mixtures in Porous Structure
abstract	This study investigates the heat and mass transfer characteristics of a binary mixture (R134a/R245fa) evaporated in a porous medium. The Eulerian model coupled with the multiphase VOF model and species transport equations is employed to establish a multi-component evaporation model. The effects of heat flux ranging from 200 kW/m<sup<2</sup< to 500 kW/m<sup<2</sup<, porosity ranging from 0.4 to 0.6, and mass fraction ratios (R134a/R245fa) of 3:7, 5:5, and 7:3 are explored. The results indicate that an increase in heat flux contributes to an increase in the evaporation rate. For the overall evaporation rate, the evaporation rates of R134a and R245fa improve by 11.3%, 6.9%, and 16.3%, respectively, while the maximum improvement in heat transfer coefficient is only 1.4%. The maximum evaporation rate is achieved at intermediate porosity in the porous medium, and the highest heat transfer coefficient is obtained at a porosity of 0.4. With the increase in mass fraction, the evaporation rate of the corresponding species also increases, while the overall evaporation rate and heat transfer coefficient remain almost unchanged.
abstractGer	This study investigates the heat and mass transfer characteristics of a binary mixture (R134a/R245fa) evaporated in a porous medium. The Eulerian model coupled with the multiphase VOF model and species transport equations is employed to establish a multi-component evaporation model. The effects of heat flux ranging from 200 kW/m<sup<2</sup< to 500 kW/m<sup<2</sup<, porosity ranging from 0.4 to 0.6, and mass fraction ratios (R134a/R245fa) of 3:7, 5:5, and 7:3 are explored. The results indicate that an increase in heat flux contributes to an increase in the evaporation rate. For the overall evaporation rate, the evaporation rates of R134a and R245fa improve by 11.3%, 6.9%, and 16.3%, respectively, while the maximum improvement in heat transfer coefficient is only 1.4%. The maximum evaporation rate is achieved at intermediate porosity in the porous medium, and the highest heat transfer coefficient is obtained at a porosity of 0.4. With the increase in mass fraction, the evaporation rate of the corresponding species also increases, while the overall evaporation rate and heat transfer coefficient remain almost unchanged.
abstract_unstemmed	This study investigates the heat and mass transfer characteristics of a binary mixture (R134a/R245fa) evaporated in a porous medium. The Eulerian model coupled with the multiphase VOF model and species transport equations is employed to establish a multi-component evaporation model. The effects of heat flux ranging from 200 kW/m<sup<2</sup< to 500 kW/m<sup<2</sup<, porosity ranging from 0.4 to 0.6, and mass fraction ratios (R134a/R245fa) of 3:7, 5:5, and 7:3 are explored. The results indicate that an increase in heat flux contributes to an increase in the evaporation rate. For the overall evaporation rate, the evaporation rates of R134a and R245fa improve by 11.3%, 6.9%, and 16.3%, respectively, while the maximum improvement in heat transfer coefficient is only 1.4%. The maximum evaporation rate is achieved at intermediate porosity in the porous medium, and the highest heat transfer coefficient is obtained at a porosity of 0.4. With the increase in mass fraction, the evaporation rate of the corresponding species also increases, while the overall evaporation rate and heat transfer coefficient remain almost unchanged.
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title_short	Numerical Study on Heat and Mass Transfer of Evaporated Binary Zeotropic Mixtures in Porous Structure
url	https://doi.org/10.3390/en16186526 https://doaj.org/article/c654079ec01444eeb952c1fe7c067af2 https://www.mdpi.com/1996-1073/16/18/6526 https://doaj.org/toc/1996-1073
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Numerical Study on Heat and Mass Transfer of Evaporated Binary Zeotropic Mixtures in Porous Structure

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