Modeling of the flow inside a pore in vacuum membrane distillation
Abstract Vacuum membrane distillation (VMD) is an emerging technology that uses vacuum pressure at the permeate side. Nevertheless, the risk of membrane wetting is considered as an obstacle to the membrane distillation process. The aim of this paper is to simulate the VMD process at fine scale using...
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| Autor*in: |
Frikha, Sobhi [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2021 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer Nature Switzerland AG 2021 |
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| Übergeordnetes Werk: |
Enthalten in: Euro-Mediterranean journal for environmental integration - [Cham, Switzerland] : Springer International Publishing, 2016, 6(2021), 3 vom: 12. Aug. |
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| Übergeordnetes Werk: |
volume:6 ; year:2021 ; number:3 ; day:12 ; month:08 |
| Links: |
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| DOI / URN: |
10.1007/s41207-021-00275-2 |
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| Katalog-ID: |
SPR044819056 |
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| 520 | |a Abstract Vacuum membrane distillation (VMD) is an emerging technology that uses vacuum pressure at the permeate side. Nevertheless, the risk of membrane wetting is considered as an obstacle to the membrane distillation process. The aim of this paper is to simulate the VMD process at fine scale using the computational fluid dynamics (CFD) code Fluent. CFD is a numerical tool that can predict the flow behavior within the membrane by solving the Navier–Stokes equations. The proposed model shows an ability to correctly predict the evaporation process at the entry of the pore. The pore wetting is also predicted, and the effect of varying the contact angle on the hydrophobicity of the membrane is studied. The proposed model also takes into account the temperature polarization; indeed the temperature at liquid–vapor interfaces is lower than that in the liquid feed. The effect of varying different parameters on the behavior of the flow inside the membrane is also studied, including the feed temperature, the vacuum pressure, and the feed velocity. It is shown that the TPC decreases with increase of the feed temperature and the vacuum level, but increases with increase of the velocity inlet. We also study the effect of adding a source term to the momentum equation to consider unusual physical phenomena such as the appearance of a shock wave. In this case, the pore wetting is reduced and the agreement between the theoretical and numerical values of the liquid entry pressure is improved. | ||
| 650 | 4 | |a Vacuum membrane distillation |7 (dpeaa)DE-He213 | |
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| 650 | 4 | |a Navier–Stokes |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Feed temperature |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Vacuum pressure |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Frikha, Nader |4 aut | |
| 700 | 1 | |a Gabsi, Slimene |4 aut | |
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10.1007/s41207-021-00275-2 doi (DE-627)SPR044819056 (SPR)s41207-021-00275-2-e DE-627 ger DE-627 rakwb eng Frikha, Sobhi verfasserin (orcid)0000-0001-6409-3507 aut Modeling of the flow inside a pore in vacuum membrane distillation 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer Nature Switzerland AG 2021 Abstract Vacuum membrane distillation (VMD) is an emerging technology that uses vacuum pressure at the permeate side. Nevertheless, the risk of membrane wetting is considered as an obstacle to the membrane distillation process. The aim of this paper is to simulate the VMD process at fine scale using the computational fluid dynamics (CFD) code Fluent. CFD is a numerical tool that can predict the flow behavior within the membrane by solving the Navier–Stokes equations. The proposed model shows an ability to correctly predict the evaporation process at the entry of the pore. The pore wetting is also predicted, and the effect of varying the contact angle on the hydrophobicity of the membrane is studied. The proposed model also takes into account the temperature polarization; indeed the temperature at liquid–vapor interfaces is lower than that in the liquid feed. The effect of varying different parameters on the behavior of the flow inside the membrane is also studied, including the feed temperature, the vacuum pressure, and the feed velocity. It is shown that the TPC decreases with increase of the feed temperature and the vacuum level, but increases with increase of the velocity inlet. We also study the effect of adding a source term to the momentum equation to consider unusual physical phenomena such as the appearance of a shock wave. In this case, the pore wetting is reduced and the agreement between the theoretical and numerical values of the liquid entry pressure is improved. Vacuum membrane distillation (dpeaa)DE-He213 Pore (dpeaa)DE-He213 CFD (dpeaa)DE-He213 Navier–Stokes (dpeaa)DE-He213 Feed temperature (dpeaa)DE-He213 Vacuum pressure (dpeaa)DE-He213 Frikha, Nader aut Gabsi, Slimene aut Enthalten in Euro-Mediterranean journal for environmental integration [Cham, Switzerland] : Springer International Publishing, 2016 6(2021), 3 vom: 12. Aug. (DE-627)844432547 (DE-600)2843155-8 2365-7448 nnns volume:6 year:2021 number:3 day:12 month:08 https://dx.doi.org/10.1007/s41207-021-00275-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_266 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 6 2021 3 12 08 |
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10.1007/s41207-021-00275-2 doi (DE-627)SPR044819056 (SPR)s41207-021-00275-2-e DE-627 ger DE-627 rakwb eng Frikha, Sobhi verfasserin (orcid)0000-0001-6409-3507 aut Modeling of the flow inside a pore in vacuum membrane distillation 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer Nature Switzerland AG 2021 Abstract Vacuum membrane distillation (VMD) is an emerging technology that uses vacuum pressure at the permeate side. Nevertheless, the risk of membrane wetting is considered as an obstacle to the membrane distillation process. The aim of this paper is to simulate the VMD process at fine scale using the computational fluid dynamics (CFD) code Fluent. CFD is a numerical tool that can predict the flow behavior within the membrane by solving the Navier–Stokes equations. The proposed model shows an ability to correctly predict the evaporation process at the entry of the pore. The pore wetting is also predicted, and the effect of varying the contact angle on the hydrophobicity of the membrane is studied. The proposed model also takes into account the temperature polarization; indeed the temperature at liquid–vapor interfaces is lower than that in the liquid feed. The effect of varying different parameters on the behavior of the flow inside the membrane is also studied, including the feed temperature, the vacuum pressure, and the feed velocity. It is shown that the TPC decreases with increase of the feed temperature and the vacuum level, but increases with increase of the velocity inlet. We also study the effect of adding a source term to the momentum equation to consider unusual physical phenomena such as the appearance of a shock wave. In this case, the pore wetting is reduced and the agreement between the theoretical and numerical values of the liquid entry pressure is improved. Vacuum membrane distillation (dpeaa)DE-He213 Pore (dpeaa)DE-He213 CFD (dpeaa)DE-He213 Navier–Stokes (dpeaa)DE-He213 Feed temperature (dpeaa)DE-He213 Vacuum pressure (dpeaa)DE-He213 Frikha, Nader aut Gabsi, Slimene aut Enthalten in Euro-Mediterranean journal for environmental integration [Cham, Switzerland] : Springer International Publishing, 2016 6(2021), 3 vom: 12. Aug. (DE-627)844432547 (DE-600)2843155-8 2365-7448 nnns volume:6 year:2021 number:3 day:12 month:08 https://dx.doi.org/10.1007/s41207-021-00275-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_266 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 6 2021 3 12 08 |
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10.1007/s41207-021-00275-2 doi (DE-627)SPR044819056 (SPR)s41207-021-00275-2-e DE-627 ger DE-627 rakwb eng Frikha, Sobhi verfasserin (orcid)0000-0001-6409-3507 aut Modeling of the flow inside a pore in vacuum membrane distillation 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer Nature Switzerland AG 2021 Abstract Vacuum membrane distillation (VMD) is an emerging technology that uses vacuum pressure at the permeate side. Nevertheless, the risk of membrane wetting is considered as an obstacle to the membrane distillation process. The aim of this paper is to simulate the VMD process at fine scale using the computational fluid dynamics (CFD) code Fluent. CFD is a numerical tool that can predict the flow behavior within the membrane by solving the Navier–Stokes equations. The proposed model shows an ability to correctly predict the evaporation process at the entry of the pore. The pore wetting is also predicted, and the effect of varying the contact angle on the hydrophobicity of the membrane is studied. The proposed model also takes into account the temperature polarization; indeed the temperature at liquid–vapor interfaces is lower than that in the liquid feed. The effect of varying different parameters on the behavior of the flow inside the membrane is also studied, including the feed temperature, the vacuum pressure, and the feed velocity. It is shown that the TPC decreases with increase of the feed temperature and the vacuum level, but increases with increase of the velocity inlet. We also study the effect of adding a source term to the momentum equation to consider unusual physical phenomena such as the appearance of a shock wave. In this case, the pore wetting is reduced and the agreement between the theoretical and numerical values of the liquid entry pressure is improved. Vacuum membrane distillation (dpeaa)DE-He213 Pore (dpeaa)DE-He213 CFD (dpeaa)DE-He213 Navier–Stokes (dpeaa)DE-He213 Feed temperature (dpeaa)DE-He213 Vacuum pressure (dpeaa)DE-He213 Frikha, Nader aut Gabsi, Slimene aut Enthalten in Euro-Mediterranean journal for environmental integration [Cham, Switzerland] : Springer International Publishing, 2016 6(2021), 3 vom: 12. Aug. (DE-627)844432547 (DE-600)2843155-8 2365-7448 nnns volume:6 year:2021 number:3 day:12 month:08 https://dx.doi.org/10.1007/s41207-021-00275-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_266 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 6 2021 3 12 08 |
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10.1007/s41207-021-00275-2 doi (DE-627)SPR044819056 (SPR)s41207-021-00275-2-e DE-627 ger DE-627 rakwb eng Frikha, Sobhi verfasserin (orcid)0000-0001-6409-3507 aut Modeling of the flow inside a pore in vacuum membrane distillation 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer Nature Switzerland AG 2021 Abstract Vacuum membrane distillation (VMD) is an emerging technology that uses vacuum pressure at the permeate side. Nevertheless, the risk of membrane wetting is considered as an obstacle to the membrane distillation process. The aim of this paper is to simulate the VMD process at fine scale using the computational fluid dynamics (CFD) code Fluent. CFD is a numerical tool that can predict the flow behavior within the membrane by solving the Navier–Stokes equations. The proposed model shows an ability to correctly predict the evaporation process at the entry of the pore. The pore wetting is also predicted, and the effect of varying the contact angle on the hydrophobicity of the membrane is studied. The proposed model also takes into account the temperature polarization; indeed the temperature at liquid–vapor interfaces is lower than that in the liquid feed. The effect of varying different parameters on the behavior of the flow inside the membrane is also studied, including the feed temperature, the vacuum pressure, and the feed velocity. It is shown that the TPC decreases with increase of the feed temperature and the vacuum level, but increases with increase of the velocity inlet. We also study the effect of adding a source term to the momentum equation to consider unusual physical phenomena such as the appearance of a shock wave. In this case, the pore wetting is reduced and the agreement between the theoretical and numerical values of the liquid entry pressure is improved. Vacuum membrane distillation (dpeaa)DE-He213 Pore (dpeaa)DE-He213 CFD (dpeaa)DE-He213 Navier–Stokes (dpeaa)DE-He213 Feed temperature (dpeaa)DE-He213 Vacuum pressure (dpeaa)DE-He213 Frikha, Nader aut Gabsi, Slimene aut Enthalten in Euro-Mediterranean journal for environmental integration [Cham, Switzerland] : Springer International Publishing, 2016 6(2021), 3 vom: 12. Aug. (DE-627)844432547 (DE-600)2843155-8 2365-7448 nnns volume:6 year:2021 number:3 day:12 month:08 https://dx.doi.org/10.1007/s41207-021-00275-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_266 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 6 2021 3 12 08 |
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10.1007/s41207-021-00275-2 doi (DE-627)SPR044819056 (SPR)s41207-021-00275-2-e DE-627 ger DE-627 rakwb eng Frikha, Sobhi verfasserin (orcid)0000-0001-6409-3507 aut Modeling of the flow inside a pore in vacuum membrane distillation 2021 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer Nature Switzerland AG 2021 Abstract Vacuum membrane distillation (VMD) is an emerging technology that uses vacuum pressure at the permeate side. Nevertheless, the risk of membrane wetting is considered as an obstacle to the membrane distillation process. The aim of this paper is to simulate the VMD process at fine scale using the computational fluid dynamics (CFD) code Fluent. CFD is a numerical tool that can predict the flow behavior within the membrane by solving the Navier–Stokes equations. The proposed model shows an ability to correctly predict the evaporation process at the entry of the pore. The pore wetting is also predicted, and the effect of varying the contact angle on the hydrophobicity of the membrane is studied. The proposed model also takes into account the temperature polarization; indeed the temperature at liquid–vapor interfaces is lower than that in the liquid feed. The effect of varying different parameters on the behavior of the flow inside the membrane is also studied, including the feed temperature, the vacuum pressure, and the feed velocity. It is shown that the TPC decreases with increase of the feed temperature and the vacuum level, but increases with increase of the velocity inlet. We also study the effect of adding a source term to the momentum equation to consider unusual physical phenomena such as the appearance of a shock wave. In this case, the pore wetting is reduced and the agreement between the theoretical and numerical values of the liquid entry pressure is improved. Vacuum membrane distillation (dpeaa)DE-He213 Pore (dpeaa)DE-He213 CFD (dpeaa)DE-He213 Navier–Stokes (dpeaa)DE-He213 Feed temperature (dpeaa)DE-He213 Vacuum pressure (dpeaa)DE-He213 Frikha, Nader aut Gabsi, Slimene aut Enthalten in Euro-Mediterranean journal for environmental integration [Cham, Switzerland] : Springer International Publishing, 2016 6(2021), 3 vom: 12. Aug. (DE-627)844432547 (DE-600)2843155-8 2365-7448 nnns volume:6 year:2021 number:3 day:12 month:08 https://dx.doi.org/10.1007/s41207-021-00275-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_266 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 6 2021 3 12 08 |
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Frikha, Sobhi @@aut@@ Frikha, Nader @@aut@@ Gabsi, Slimene @@aut@@ |
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Nevertheless, the risk of membrane wetting is considered as an obstacle to the membrane distillation process. The aim of this paper is to simulate the VMD process at fine scale using the computational fluid dynamics (CFD) code Fluent. CFD is a numerical tool that can predict the flow behavior within the membrane by solving the Navier–Stokes equations. The proposed model shows an ability to correctly predict the evaporation process at the entry of the pore. The pore wetting is also predicted, and the effect of varying the contact angle on the hydrophobicity of the membrane is studied. The proposed model also takes into account the temperature polarization; indeed the temperature at liquid–vapor interfaces is lower than that in the liquid feed. The effect of varying different parameters on the behavior of the flow inside the membrane is also studied, including the feed temperature, the vacuum pressure, and the feed velocity. It is shown that the TPC decreases with increase of the feed temperature and the vacuum level, but increases with increase of the velocity inlet. We also study the effect of adding a source term to the momentum equation to consider unusual physical phenomena such as the appearance of a shock wave. 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Frikha, Sobhi |
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Frikha, Sobhi misc Vacuum membrane distillation misc Pore misc CFD misc Navier–Stokes misc Feed temperature misc Vacuum pressure Modeling of the flow inside a pore in vacuum membrane distillation |
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Modeling of the flow inside a pore in vacuum membrane distillation Vacuum membrane distillation (dpeaa)DE-He213 Pore (dpeaa)DE-He213 CFD (dpeaa)DE-He213 Navier–Stokes (dpeaa)DE-He213 Feed temperature (dpeaa)DE-He213 Vacuum pressure (dpeaa)DE-He213 |
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modeling of the flow inside a pore in vacuum membrane distillation |
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Modeling of the flow inside a pore in vacuum membrane distillation |
| abstract |
Abstract Vacuum membrane distillation (VMD) is an emerging technology that uses vacuum pressure at the permeate side. Nevertheless, the risk of membrane wetting is considered as an obstacle to the membrane distillation process. The aim of this paper is to simulate the VMD process at fine scale using the computational fluid dynamics (CFD) code Fluent. CFD is a numerical tool that can predict the flow behavior within the membrane by solving the Navier–Stokes equations. The proposed model shows an ability to correctly predict the evaporation process at the entry of the pore. The pore wetting is also predicted, and the effect of varying the contact angle on the hydrophobicity of the membrane is studied. The proposed model also takes into account the temperature polarization; indeed the temperature at liquid–vapor interfaces is lower than that in the liquid feed. The effect of varying different parameters on the behavior of the flow inside the membrane is also studied, including the feed temperature, the vacuum pressure, and the feed velocity. It is shown that the TPC decreases with increase of the feed temperature and the vacuum level, but increases with increase of the velocity inlet. We also study the effect of adding a source term to the momentum equation to consider unusual physical phenomena such as the appearance of a shock wave. In this case, the pore wetting is reduced and the agreement between the theoretical and numerical values of the liquid entry pressure is improved. © Springer Nature Switzerland AG 2021 |
| abstractGer |
Abstract Vacuum membrane distillation (VMD) is an emerging technology that uses vacuum pressure at the permeate side. Nevertheless, the risk of membrane wetting is considered as an obstacle to the membrane distillation process. The aim of this paper is to simulate the VMD process at fine scale using the computational fluid dynamics (CFD) code Fluent. CFD is a numerical tool that can predict the flow behavior within the membrane by solving the Navier–Stokes equations. The proposed model shows an ability to correctly predict the evaporation process at the entry of the pore. The pore wetting is also predicted, and the effect of varying the contact angle on the hydrophobicity of the membrane is studied. The proposed model also takes into account the temperature polarization; indeed the temperature at liquid–vapor interfaces is lower than that in the liquid feed. The effect of varying different parameters on the behavior of the flow inside the membrane is also studied, including the feed temperature, the vacuum pressure, and the feed velocity. It is shown that the TPC decreases with increase of the feed temperature and the vacuum level, but increases with increase of the velocity inlet. We also study the effect of adding a source term to the momentum equation to consider unusual physical phenomena such as the appearance of a shock wave. In this case, the pore wetting is reduced and the agreement between the theoretical and numerical values of the liquid entry pressure is improved. © Springer Nature Switzerland AG 2021 |
| abstract_unstemmed |
Abstract Vacuum membrane distillation (VMD) is an emerging technology that uses vacuum pressure at the permeate side. Nevertheless, the risk of membrane wetting is considered as an obstacle to the membrane distillation process. The aim of this paper is to simulate the VMD process at fine scale using the computational fluid dynamics (CFD) code Fluent. CFD is a numerical tool that can predict the flow behavior within the membrane by solving the Navier–Stokes equations. The proposed model shows an ability to correctly predict the evaporation process at the entry of the pore. The pore wetting is also predicted, and the effect of varying the contact angle on the hydrophobicity of the membrane is studied. The proposed model also takes into account the temperature polarization; indeed the temperature at liquid–vapor interfaces is lower than that in the liquid feed. The effect of varying different parameters on the behavior of the flow inside the membrane is also studied, including the feed temperature, the vacuum pressure, and the feed velocity. It is shown that the TPC decreases with increase of the feed temperature and the vacuum level, but increases with increase of the velocity inlet. We also study the effect of adding a source term to the momentum equation to consider unusual physical phenomena such as the appearance of a shock wave. In this case, the pore wetting is reduced and the agreement between the theoretical and numerical values of the liquid entry pressure is improved. © Springer Nature Switzerland AG 2021 |
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Modeling of the flow inside a pore in vacuum membrane distillation |
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Frikha, Nader Gabsi, Slimene |
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10.1007/s41207-021-00275-2 |
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|
| score |
7.401458 |