Heat and mass transfer in a counter flow parallel plate membrane-based absorption heat pump (PMAHP)

Membrane-based absorption heat pumps (MAHP) operate based on the working principle of the absorption refrigeration system (ARS), which could be used to recover and transform low-temperature waste heat into useable heat sources with higher temperatures. This work focuses on the performance study of a...
Ausführliche Beschreibung

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Autor*in:	Yang, Minlin [verfasserIn] Low, Elaine [verfasserIn] Law, Chung Lim [verfasserIn] Chen, Jie-Chao [verfasserIn] Show, Pau Loke [verfasserIn] Huang, Si-Min [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2021

Schlagwörter:	Membrane absorber Conjugate heat and mass transfer Membrane absorption heat pump Waste heat recovery Air gap Absorption refrigeration

Übergeordnetes Werk:	Enthalten in: International journal of thermal sciences - Amsterdam [u.a.] : Elsevier Science, 1996, 171
Übergeordnetes Werk:	volume:171

DOI / URN:	10.1016/j.ijthermalsci.2021.107227

Katalog-ID:	ELV000036641

Internformat


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245	1	0	\|a Heat and mass transfer in a counter flow parallel plate membrane-based absorption heat pump (PMAHP)
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520			\|a Membrane-based absorption heat pumps (MAHP) operate based on the working principle of the absorption refrigeration system (ARS), which could be used to recover and transform low-temperature waste heat into useable heat sources with higher temperatures. This work focuses on the performance study of a counter-flow parallel-plate membrane-based absorption heat pump (PMAHP) to recover low-temperature waste heat from used cooling water at 40 °C. It consists of refrigerant (water) and absorbent (LiCl solution) streams flowing in neighboring channels formed by hydrophobic microporous membranes with air gaps sandwiched in between these channels. Air-gap design is incorporated to minimize the sensible heat loss through conduction between the two streams. Water vapor molecules travel from the water stream to the solution stream through the membrane and air gaps. As the water molecules are absorbed by the solution, they condense to release the latent heat of absorption and dilution. The recovered heat can be used subsequently for fluid heating or air-conditioning purposes. A three-dimensional, steady-state model based on the finite element method is used to study the conjugate heat and mass transfer mechanisms. Model validation results agree with experimental data with a general discrepancy of within 10%. Parametric studies on the performance of the PMAHP are carried out. Scaling analysis is applied to study the effects of geometrical parameters on the heat and mass transfer dimensionless parameters, fluid flow behavior, heat, and mass transport within the PMAHP. The optimal air gap width is determined to achieve maximum solution temperature lift, which shows an improvement of 99.6% compared to the base case. The findings of this study provide an insight regarding the potential aspects to be focused on for further enhancement in the PMAHP heat and mass transfer performance.
650		4	\|a Membrane absorber
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650		4	\|a Membrane absorption heat pump
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650		4	\|a Absorption refrigeration
700	1		\|a Low, Elaine \|e verfasserin \|0 (orcid)0000-0002-2184-3416 \|4 aut
700	1		\|a Law, Chung Lim \|e verfasserin \|4 aut
700	1		\|a Chen, Jie-Chao \|e verfasserin \|4 aut
700	1		\|a Show, Pau Loke \|e verfasserin \|4 aut
700	1		\|a Huang, Si-Min \|e verfasserin \|4 aut
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matchkey_str	article:17784166:2021----::etnmstaseiaonefoprlepaeebaeaea
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publishDate	2021
allfields	10.1016/j.ijthermalsci.2021.107227 doi (DE-627)ELV000036641 (ELSEVIER)S1290-0729(21)00388-4 DE-627 ger DE-627 rda eng 530 620 VZ 50.38 bkl Yang, Minlin verfasserin aut Heat and mass transfer in a counter flow parallel plate membrane-based absorption heat pump (PMAHP) 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Membrane-based absorption heat pumps (MAHP) operate based on the working principle of the absorption refrigeration system (ARS), which could be used to recover and transform low-temperature waste heat into useable heat sources with higher temperatures. This work focuses on the performance study of a counter-flow parallel-plate membrane-based absorption heat pump (PMAHP) to recover low-temperature waste heat from used cooling water at 40 °C. It consists of refrigerant (water) and absorbent (LiCl solution) streams flowing in neighboring channels formed by hydrophobic microporous membranes with air gaps sandwiched in between these channels. Air-gap design is incorporated to minimize the sensible heat loss through conduction between the two streams. Water vapor molecules travel from the water stream to the solution stream through the membrane and air gaps. As the water molecules are absorbed by the solution, they condense to release the latent heat of absorption and dilution. The recovered heat can be used subsequently for fluid heating or air-conditioning purposes. A three-dimensional, steady-state model based on the finite element method is used to study the conjugate heat and mass transfer mechanisms. Model validation results agree with experimental data with a general discrepancy of within 10%. Parametric studies on the performance of the PMAHP are carried out. Scaling analysis is applied to study the effects of geometrical parameters on the heat and mass transfer dimensionless parameters, fluid flow behavior, heat, and mass transport within the PMAHP. The optimal air gap width is determined to achieve maximum solution temperature lift, which shows an improvement of 99.6% compared to the base case. The findings of this study provide an insight regarding the potential aspects to be focused on for further enhancement in the PMAHP heat and mass transfer performance. Membrane absorber Conjugate heat and mass transfer Membrane absorption heat pump Waste heat recovery Air gap Absorption refrigeration Low, Elaine verfasserin (orcid)0000-0002-2184-3416 aut Law, Chung Lim verfasserin aut Chen, Jie-Chao verfasserin aut Show, Pau Loke verfasserin aut Huang, Si-Min verfasserin aut Enthalten in International journal of thermal sciences Amsterdam [u.a.] : Elsevier Science, 1996 171 Online-Ressource (DE-627)320509982 (DE-600)2013298-0 (DE-576)259271438 1778-4166 nnns volume:171 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.38 Technische Thermodynamik VZ AR 171
spelling	10.1016/j.ijthermalsci.2021.107227 doi (DE-627)ELV000036641 (ELSEVIER)S1290-0729(21)00388-4 DE-627 ger DE-627 rda eng 530 620 VZ 50.38 bkl Yang, Minlin verfasserin aut Heat and mass transfer in a counter flow parallel plate membrane-based absorption heat pump (PMAHP) 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Membrane-based absorption heat pumps (MAHP) operate based on the working principle of the absorption refrigeration system (ARS), which could be used to recover and transform low-temperature waste heat into useable heat sources with higher temperatures. This work focuses on the performance study of a counter-flow parallel-plate membrane-based absorption heat pump (PMAHP) to recover low-temperature waste heat from used cooling water at 40 °C. It consists of refrigerant (water) and absorbent (LiCl solution) streams flowing in neighboring channels formed by hydrophobic microporous membranes with air gaps sandwiched in between these channels. Air-gap design is incorporated to minimize the sensible heat loss through conduction between the two streams. Water vapor molecules travel from the water stream to the solution stream through the membrane and air gaps. As the water molecules are absorbed by the solution, they condense to release the latent heat of absorption and dilution. The recovered heat can be used subsequently for fluid heating or air-conditioning purposes. A three-dimensional, steady-state model based on the finite element method is used to study the conjugate heat and mass transfer mechanisms. Model validation results agree with experimental data with a general discrepancy of within 10%. Parametric studies on the performance of the PMAHP are carried out. Scaling analysis is applied to study the effects of geometrical parameters on the heat and mass transfer dimensionless parameters, fluid flow behavior, heat, and mass transport within the PMAHP. The optimal air gap width is determined to achieve maximum solution temperature lift, which shows an improvement of 99.6% compared to the base case. The findings of this study provide an insight regarding the potential aspects to be focused on for further enhancement in the PMAHP heat and mass transfer performance. Membrane absorber Conjugate heat and mass transfer Membrane absorption heat pump Waste heat recovery Air gap Absorption refrigeration Low, Elaine verfasserin (orcid)0000-0002-2184-3416 aut Law, Chung Lim verfasserin aut Chen, Jie-Chao verfasserin aut Show, Pau Loke verfasserin aut Huang, Si-Min verfasserin aut Enthalten in International journal of thermal sciences Amsterdam [u.a.] : Elsevier Science, 1996 171 Online-Ressource (DE-627)320509982 (DE-600)2013298-0 (DE-576)259271438 1778-4166 nnns volume:171 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.38 Technische Thermodynamik VZ AR 171
allfields_unstemmed	10.1016/j.ijthermalsci.2021.107227 doi (DE-627)ELV000036641 (ELSEVIER)S1290-0729(21)00388-4 DE-627 ger DE-627 rda eng 530 620 VZ 50.38 bkl Yang, Minlin verfasserin aut Heat and mass transfer in a counter flow parallel plate membrane-based absorption heat pump (PMAHP) 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Membrane-based absorption heat pumps (MAHP) operate based on the working principle of the absorption refrigeration system (ARS), which could be used to recover and transform low-temperature waste heat into useable heat sources with higher temperatures. This work focuses on the performance study of a counter-flow parallel-plate membrane-based absorption heat pump (PMAHP) to recover low-temperature waste heat from used cooling water at 40 °C. It consists of refrigerant (water) and absorbent (LiCl solution) streams flowing in neighboring channels formed by hydrophobic microporous membranes with air gaps sandwiched in between these channels. Air-gap design is incorporated to minimize the sensible heat loss through conduction between the two streams. Water vapor molecules travel from the water stream to the solution stream through the membrane and air gaps. As the water molecules are absorbed by the solution, they condense to release the latent heat of absorption and dilution. The recovered heat can be used subsequently for fluid heating or air-conditioning purposes. A three-dimensional, steady-state model based on the finite element method is used to study the conjugate heat and mass transfer mechanisms. Model validation results agree with experimental data with a general discrepancy of within 10%. Parametric studies on the performance of the PMAHP are carried out. Scaling analysis is applied to study the effects of geometrical parameters on the heat and mass transfer dimensionless parameters, fluid flow behavior, heat, and mass transport within the PMAHP. The optimal air gap width is determined to achieve maximum solution temperature lift, which shows an improvement of 99.6% compared to the base case. The findings of this study provide an insight regarding the potential aspects to be focused on for further enhancement in the PMAHP heat and mass transfer performance. Membrane absorber Conjugate heat and mass transfer Membrane absorption heat pump Waste heat recovery Air gap Absorption refrigeration Low, Elaine verfasserin (orcid)0000-0002-2184-3416 aut Law, Chung Lim verfasserin aut Chen, Jie-Chao verfasserin aut Show, Pau Loke verfasserin aut Huang, Si-Min verfasserin aut Enthalten in International journal of thermal sciences Amsterdam [u.a.] : Elsevier Science, 1996 171 Online-Ressource (DE-627)320509982 (DE-600)2013298-0 (DE-576)259271438 1778-4166 nnns volume:171 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.38 Technische Thermodynamik VZ AR 171
allfieldsGer	10.1016/j.ijthermalsci.2021.107227 doi (DE-627)ELV000036641 (ELSEVIER)S1290-0729(21)00388-4 DE-627 ger DE-627 rda eng 530 620 VZ 50.38 bkl Yang, Minlin verfasserin aut Heat and mass transfer in a counter flow parallel plate membrane-based absorption heat pump (PMAHP) 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Membrane-based absorption heat pumps (MAHP) operate based on the working principle of the absorption refrigeration system (ARS), which could be used to recover and transform low-temperature waste heat into useable heat sources with higher temperatures. This work focuses on the performance study of a counter-flow parallel-plate membrane-based absorption heat pump (PMAHP) to recover low-temperature waste heat from used cooling water at 40 °C. It consists of refrigerant (water) and absorbent (LiCl solution) streams flowing in neighboring channels formed by hydrophobic microporous membranes with air gaps sandwiched in between these channels. Air-gap design is incorporated to minimize the sensible heat loss through conduction between the two streams. Water vapor molecules travel from the water stream to the solution stream through the membrane and air gaps. As the water molecules are absorbed by the solution, they condense to release the latent heat of absorption and dilution. The recovered heat can be used subsequently for fluid heating or air-conditioning purposes. A three-dimensional, steady-state model based on the finite element method is used to study the conjugate heat and mass transfer mechanisms. Model validation results agree with experimental data with a general discrepancy of within 10%. Parametric studies on the performance of the PMAHP are carried out. Scaling analysis is applied to study the effects of geometrical parameters on the heat and mass transfer dimensionless parameters, fluid flow behavior, heat, and mass transport within the PMAHP. The optimal air gap width is determined to achieve maximum solution temperature lift, which shows an improvement of 99.6% compared to the base case. The findings of this study provide an insight regarding the potential aspects to be focused on for further enhancement in the PMAHP heat and mass transfer performance. Membrane absorber Conjugate heat and mass transfer Membrane absorption heat pump Waste heat recovery Air gap Absorption refrigeration Low, Elaine verfasserin (orcid)0000-0002-2184-3416 aut Law, Chung Lim verfasserin aut Chen, Jie-Chao verfasserin aut Show, Pau Loke verfasserin aut Huang, Si-Min verfasserin aut Enthalten in International journal of thermal sciences Amsterdam [u.a.] : Elsevier Science, 1996 171 Online-Ressource (DE-627)320509982 (DE-600)2013298-0 (DE-576)259271438 1778-4166 nnns volume:171 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.38 Technische Thermodynamik VZ AR 171
allfieldsSound	10.1016/j.ijthermalsci.2021.107227 doi (DE-627)ELV000036641 (ELSEVIER)S1290-0729(21)00388-4 DE-627 ger DE-627 rda eng 530 620 VZ 50.38 bkl Yang, Minlin verfasserin aut Heat and mass transfer in a counter flow parallel plate membrane-based absorption heat pump (PMAHP) 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Membrane-based absorption heat pumps (MAHP) operate based on the working principle of the absorption refrigeration system (ARS), which could be used to recover and transform low-temperature waste heat into useable heat sources with higher temperatures. This work focuses on the performance study of a counter-flow parallel-plate membrane-based absorption heat pump (PMAHP) to recover low-temperature waste heat from used cooling water at 40 °C. It consists of refrigerant (water) and absorbent (LiCl solution) streams flowing in neighboring channels formed by hydrophobic microporous membranes with air gaps sandwiched in between these channels. Air-gap design is incorporated to minimize the sensible heat loss through conduction between the two streams. Water vapor molecules travel from the water stream to the solution stream through the membrane and air gaps. As the water molecules are absorbed by the solution, they condense to release the latent heat of absorption and dilution. The recovered heat can be used subsequently for fluid heating or air-conditioning purposes. A three-dimensional, steady-state model based on the finite element method is used to study the conjugate heat and mass transfer mechanisms. Model validation results agree with experimental data with a general discrepancy of within 10%. Parametric studies on the performance of the PMAHP are carried out. Scaling analysis is applied to study the effects of geometrical parameters on the heat and mass transfer dimensionless parameters, fluid flow behavior, heat, and mass transport within the PMAHP. The optimal air gap width is determined to achieve maximum solution temperature lift, which shows an improvement of 99.6% compared to the base case. The findings of this study provide an insight regarding the potential aspects to be focused on for further enhancement in the PMAHP heat and mass transfer performance. Membrane absorber Conjugate heat and mass transfer Membrane absorption heat pump Waste heat recovery Air gap Absorption refrigeration Low, Elaine verfasserin (orcid)0000-0002-2184-3416 aut Law, Chung Lim verfasserin aut Chen, Jie-Chao verfasserin aut Show, Pau Loke verfasserin aut Huang, Si-Min verfasserin aut Enthalten in International journal of thermal sciences Amsterdam [u.a.] : Elsevier Science, 1996 171 Online-Ressource (DE-627)320509982 (DE-600)2013298-0 (DE-576)259271438 1778-4166 nnns volume:171 GBV_USEFLAG_U SYSFLAG_U GBV_ELV GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 50.38 Technische Thermodynamik VZ AR 171
language	English
source	Enthalten in International journal of thermal sciences 171 volume:171
sourceStr	Enthalten in International journal of thermal sciences 171 volume:171
format_phy_str_mv	Article
bklname	Technische Thermodynamik
institution	findex.gbv.de
topic_facet	Membrane absorber Conjugate heat and mass transfer Membrane absorption heat pump Waste heat recovery Air gap Absorption refrigeration
dewey-raw	530
isfreeaccess_bool	false
container_title	International journal of thermal sciences
authorswithroles_txt_mv	Yang, Minlin @@aut@@ Low, Elaine @@aut@@ Law, Chung Lim @@aut@@ Chen, Jie-Chao @@aut@@ Show, Pau Loke @@aut@@ Huang, Si-Min @@aut@@
publishDateDaySort_date	2021-01-01T00:00:00Z
hierarchy_top_id	320509982
dewey-sort	3530
id	ELV000036641
language_de	englisch
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author	Yang, Minlin
spellingShingle	Yang, Minlin ddc 530 bkl 50.38 misc Membrane absorber misc Conjugate heat and mass transfer misc Membrane absorption heat pump misc Waste heat recovery misc Air gap misc Absorption refrigeration Heat and mass transfer in a counter flow parallel plate membrane-based absorption heat pump (PMAHP)
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topic_title	530 620 VZ 50.38 bkl Heat and mass transfer in a counter flow parallel plate membrane-based absorption heat pump (PMAHP) Membrane absorber Conjugate heat and mass transfer Membrane absorption heat pump Waste heat recovery Air gap Absorption refrigeration
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title	Heat and mass transfer in a counter flow parallel plate membrane-based absorption heat pump (PMAHP)
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title_full	Heat and mass transfer in a counter flow parallel plate membrane-based absorption heat pump (PMAHP)
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title_sort	heat and mass transfer in a counter flow parallel plate membrane-based absorption heat pump (pmahp)
title_auth	Heat and mass transfer in a counter flow parallel plate membrane-based absorption heat pump (PMAHP)
abstract	Membrane-based absorption heat pumps (MAHP) operate based on the working principle of the absorption refrigeration system (ARS), which could be used to recover and transform low-temperature waste heat into useable heat sources with higher temperatures. This work focuses on the performance study of a counter-flow parallel-plate membrane-based absorption heat pump (PMAHP) to recover low-temperature waste heat from used cooling water at 40 °C. It consists of refrigerant (water) and absorbent (LiCl solution) streams flowing in neighboring channels formed by hydrophobic microporous membranes with air gaps sandwiched in between these channels. Air-gap design is incorporated to minimize the sensible heat loss through conduction between the two streams. Water vapor molecules travel from the water stream to the solution stream through the membrane and air gaps. As the water molecules are absorbed by the solution, they condense to release the latent heat of absorption and dilution. The recovered heat can be used subsequently for fluid heating or air-conditioning purposes. A three-dimensional, steady-state model based on the finite element method is used to study the conjugate heat and mass transfer mechanisms. Model validation results agree with experimental data with a general discrepancy of within 10%. Parametric studies on the performance of the PMAHP are carried out. Scaling analysis is applied to study the effects of geometrical parameters on the heat and mass transfer dimensionless parameters, fluid flow behavior, heat, and mass transport within the PMAHP. The optimal air gap width is determined to achieve maximum solution temperature lift, which shows an improvement of 99.6% compared to the base case. The findings of this study provide an insight regarding the potential aspects to be focused on for further enhancement in the PMAHP heat and mass transfer performance.
abstractGer	Membrane-based absorption heat pumps (MAHP) operate based on the working principle of the absorption refrigeration system (ARS), which could be used to recover and transform low-temperature waste heat into useable heat sources with higher temperatures. This work focuses on the performance study of a counter-flow parallel-plate membrane-based absorption heat pump (PMAHP) to recover low-temperature waste heat from used cooling water at 40 °C. It consists of refrigerant (water) and absorbent (LiCl solution) streams flowing in neighboring channels formed by hydrophobic microporous membranes with air gaps sandwiched in between these channels. Air-gap design is incorporated to minimize the sensible heat loss through conduction between the two streams. Water vapor molecules travel from the water stream to the solution stream through the membrane and air gaps. As the water molecules are absorbed by the solution, they condense to release the latent heat of absorption and dilution. The recovered heat can be used subsequently for fluid heating or air-conditioning purposes. A three-dimensional, steady-state model based on the finite element method is used to study the conjugate heat and mass transfer mechanisms. Model validation results agree with experimental data with a general discrepancy of within 10%. Parametric studies on the performance of the PMAHP are carried out. Scaling analysis is applied to study the effects of geometrical parameters on the heat and mass transfer dimensionless parameters, fluid flow behavior, heat, and mass transport within the PMAHP. The optimal air gap width is determined to achieve maximum solution temperature lift, which shows an improvement of 99.6% compared to the base case. The findings of this study provide an insight regarding the potential aspects to be focused on for further enhancement in the PMAHP heat and mass transfer performance.
abstract_unstemmed	Membrane-based absorption heat pumps (MAHP) operate based on the working principle of the absorption refrigeration system (ARS), which could be used to recover and transform low-temperature waste heat into useable heat sources with higher temperatures. This work focuses on the performance study of a counter-flow parallel-plate membrane-based absorption heat pump (PMAHP) to recover low-temperature waste heat from used cooling water at 40 °C. It consists of refrigerant (water) and absorbent (LiCl solution) streams flowing in neighboring channels formed by hydrophobic microporous membranes with air gaps sandwiched in between these channels. Air-gap design is incorporated to minimize the sensible heat loss through conduction between the two streams. Water vapor molecules travel from the water stream to the solution stream through the membrane and air gaps. As the water molecules are absorbed by the solution, they condense to release the latent heat of absorption and dilution. The recovered heat can be used subsequently for fluid heating or air-conditioning purposes. A three-dimensional, steady-state model based on the finite element method is used to study the conjugate heat and mass transfer mechanisms. Model validation results agree with experimental data with a general discrepancy of within 10%. Parametric studies on the performance of the PMAHP are carried out. Scaling analysis is applied to study the effects of geometrical parameters on the heat and mass transfer dimensionless parameters, fluid flow behavior, heat, and mass transport within the PMAHP. The optimal air gap width is determined to achieve maximum solution temperature lift, which shows an improvement of 99.6% compared to the base case. The findings of this study provide an insight regarding the potential aspects to be focused on for further enhancement in the PMAHP heat and mass transfer performance.
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title_short	Heat and mass transfer in a counter flow parallel plate membrane-based absorption heat pump (PMAHP)
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author2	Low, Elaine Law, Chung Lim Chen, Jie-Chao Show, Pau Loke Huang, Si-Min
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up_date	2024-07-06T16:39:17.479Z
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Heat and mass transfer in a counter flow parallel plate membrane-based absorption heat pump (PMAHP)

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