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Investigation of thermo-physical fluid properties effect on binary fluid ejector performance
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| Veröffentlicht in: | Energy reports 6(2020), 2 vom: Feb., Seite 287-292 |
|---|---|
| Personen und Körperschaften: | , , , , |
| Titel: | Investigation of thermo-physical fluid properties effect on binary fluid ejector performance/ Mouhammad El Hassan, Hassan H. Assoum, Nikolay Bukharin, Kamel Abed-Meraim, Anas Sakout |
| Format: | E-Book-Kapitel |
| Sprache: | Englisch |
| veröffentlicht: |
2020
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| Gesamtaufnahme: |
: Energy reports, 6(2020), 2 vom: Feb., Seite 287-292
, volume:6 |
| Schlagwörter: | |
| Quelle: | Verbunddaten SWB Lizenzfreie Online-Ressourcen |
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| 520 | |a Supersonic Ejector (SE) is a thermally-driven fluidic compressor that replaces the electro-mechanical compressor in Reverse-Rankine refrigeration/heat pump cycles. These widely used thermal cycles account for billions of kWh of electric energy and produce hundreds of millions of metric tons of atmospheric carbon yearly in North America. As compared to mechanical compressors, ejectors are simple mechanical devices with no moving parts. It can be configured to provide residential and commercial space heating/cooling and water heating, industrial process heating/cooling, industrial distillation/desalination and drying. Rather than electricity, SE-based systems can make direct use of many forms of thermal energy including solar thermal, waste heat, biogas, or natural gas, depending on emission targets, price, or availability. It is known that the SE systems have a lower thermal efficiency as compared to mechanical compressor because of its lower performance at high compression ratios. Highly efficient ejector would thus play a critical role in unlocking the wide spread use of renewable energy such as waste heat, solar thermal, and geothermal. Even in the absence of renewable energy, such a device would enable fuel switching from electricity to natural gas, which would save 65 to 75% on energy costs, and relieve the power grid during peak times. In the present study, Computational Fluid Dynamics (CFD) is used to study the effect of fluids thermo-physical properties including molecular mass, viscosity and specific heat ratio on the performance of an ejector for distillation applications. It is found that molecular mass and specific heat ratio can significantly affect the entrainment ratio of the ejector and consequently the COP of the refrigeration system. | ||
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| author | El Hassan, Mouhammad, Assoum, Hassan H., Bukharin, Nikolay, Abed-Meraim, Kamel, Sakout, Anas |
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| contents | Supersonic Ejector (SE) is a thermally-driven fluidic compressor that replaces the electro-mechanical compressor in Reverse-Rankine refrigeration/heat pump cycles. These widely used thermal cycles account for billions of kWh of electric energy and produce hundreds of millions of metric tons of atmospheric carbon yearly in North America. As compared to mechanical compressors, ejectors are simple mechanical devices with no moving parts. It can be configured to provide residential and commercial space heating/cooling and water heating, industrial process heating/cooling, industrial distillation/desalination and drying. Rather than electricity, SE-based systems can make direct use of many forms of thermal energy including solar thermal, waste heat, biogas, or natural gas, depending on emission targets, price, or availability. It is known that the SE systems have a lower thermal efficiency as compared to mechanical compressor because of its lower performance at high compression ratios. Highly efficient ejector would thus play a critical role in unlocking the wide spread use of renewable energy such as waste heat, solar thermal, and geothermal. Even in the absence of renewable energy, such a device would enable fuel switching from electricity to natural gas, which would save 65 to 75% on energy costs, and relieve the power grid during peak times. In the present study, Computational Fluid Dynamics (CFD) is used to study the effect of fluids thermo-physical properties including molecular mass, viscosity and specific heat ratio on the performance of an ejector for distillation applications. It is found that molecular mass and specific heat ratio can significantly affect the entrainment ratio of the ejector and consequently the COP of the refrigeration system. |
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| spelling | El Hassan, Mouhammad VerfasserIn (DE-588)1207079243 (DE-627)169332511X aut, Investigation of thermo-physical fluid properties effect on binary fluid ejector performance Mouhammad El Hassan, Hassan H. Assoum, Nikolay Bukharin, Kamel Abed-Meraim, Anas Sakout, 2020, Text txt rdacontent, Computermedien c rdamedia, Online-Ressource cr rdacarrier, DE-206 Open Access Controlled Vocabulary for Access Rights http://purl.org/coar/access_right/c_abf2, Supersonic Ejector (SE) is a thermally-driven fluidic compressor that replaces the electro-mechanical compressor in Reverse-Rankine refrigeration/heat pump cycles. These widely used thermal cycles account for billions of kWh of electric energy and produce hundreds of millions of metric tons of atmospheric carbon yearly in North America. As compared to mechanical compressors, ejectors are simple mechanical devices with no moving parts. It can be configured to provide residential and commercial space heating/cooling and water heating, industrial process heating/cooling, industrial distillation/desalination and drying. Rather than electricity, SE-based systems can make direct use of many forms of thermal energy including solar thermal, waste heat, biogas, or natural gas, depending on emission targets, price, or availability. It is known that the SE systems have a lower thermal efficiency as compared to mechanical compressor because of its lower performance at high compression ratios. Highly efficient ejector would thus play a critical role in unlocking the wide spread use of renewable energy such as waste heat, solar thermal, and geothermal. Even in the absence of renewable energy, such a device would enable fuel switching from electricity to natural gas, which would save 65 to 75% on energy costs, and relieve the power grid during peak times. In the present study, Computational Fluid Dynamics (CFD) is used to study the effect of fluids thermo-physical properties including molecular mass, viscosity and specific heat ratio on the performance of an ejector for distillation applications. It is found that molecular mass and specific heat ratio can significantly affect the entrainment ratio of the ejector and consequently the COP of the refrigeration system., DE-206 Namensnennung - Nicht kommerziell - Keine Bearbeitungen 4.0 International CC BY-NC-ND 4.0 cc https://creativecommons.org/licenses/by-nc-nd/4.0/, Aufsatz in Zeitschrift DE-206, Kongressbeitrag DE-206, Assoum, Hassan H. VerfasserIn aut, Bukharin, Nikolay VerfasserIn aut, Abed-Meraim, Kamel VerfasserIn aut, Sakout, Anas VerfasserIn aut, Enthalten in Energy reports Amsterdam [u.a.] : Elsevier, 2015 6(2020), 2 vom: Feb., Seite 287-292 Online-Ressource (DE-627)820689033 (DE-600)2814795-9 (DE-576)427950821 2352-4847 nnns, volume:6 year:2020 number:2 month:02 pages:287-292, https://www.sciencedirect.com/science/article/pii/S2352484719309229/pdfft?md5=e293ae9c494798a18ff6b1c57f98180d&pid=1-s2.0-S2352484719309229-main.pdf Verlag kostenfrei, https://doi.org/10.1016/j.egyr.2019.11.076 Resolving-System kostenfrei, http://hdl.handle.net/10419/243891 Resolving-System kostenfrei, https://doi.org/10.1016/j.egyr.2019.11.076 LFER, https://www.sciencedirect.com/science/article/pii/S2352484719309229/pdfft?md5=e293ae9c494798a18ff6b1c57f98180d&pid=1-s2.0-S2352484719309229-main.pdf LFER, LFER 2020-04-07T00:00:00Z |
| spellingShingle | El Hassan, Mouhammad, Assoum, Hassan H., Bukharin, Nikolay, Abed-Meraim, Kamel, Sakout, Anas, Investigation of thermo-physical fluid properties effect on binary fluid ejector performance, Supersonic Ejector (SE) is a thermally-driven fluidic compressor that replaces the electro-mechanical compressor in Reverse-Rankine refrigeration/heat pump cycles. These widely used thermal cycles account for billions of kWh of electric energy and produce hundreds of millions of metric tons of atmospheric carbon yearly in North America. As compared to mechanical compressors, ejectors are simple mechanical devices with no moving parts. It can be configured to provide residential and commercial space heating/cooling and water heating, industrial process heating/cooling, industrial distillation/desalination and drying. Rather than electricity, SE-based systems can make direct use of many forms of thermal energy including solar thermal, waste heat, biogas, or natural gas, depending on emission targets, price, or availability. It is known that the SE systems have a lower thermal efficiency as compared to mechanical compressor because of its lower performance at high compression ratios. Highly efficient ejector would thus play a critical role in unlocking the wide spread use of renewable energy such as waste heat, solar thermal, and geothermal. Even in the absence of renewable energy, such a device would enable fuel switching from electricity to natural gas, which would save 65 to 75% on energy costs, and relieve the power grid during peak times. In the present study, Computational Fluid Dynamics (CFD) is used to study the effect of fluids thermo-physical properties including molecular mass, viscosity and specific heat ratio on the performance of an ejector for distillation applications. It is found that molecular mass and specific heat ratio can significantly affect the entrainment ratio of the ejector and consequently the COP of the refrigeration system., Aufsatz in Zeitschrift, Kongressbeitrag |
| title | Investigation of thermo-physical fluid properties effect on binary fluid ejector performance |
| title_auth | Investigation of thermo-physical fluid properties effect on binary fluid ejector performance |
| title_full | Investigation of thermo-physical fluid properties effect on binary fluid ejector performance Mouhammad El Hassan, Hassan H. Assoum, Nikolay Bukharin, Kamel Abed-Meraim, Anas Sakout |
| title_fullStr | Investigation of thermo-physical fluid properties effect on binary fluid ejector performance Mouhammad El Hassan, Hassan H. Assoum, Nikolay Bukharin, Kamel Abed-Meraim, Anas Sakout |
| title_full_unstemmed | Investigation of thermo-physical fluid properties effect on binary fluid ejector performance Mouhammad El Hassan, Hassan H. Assoum, Nikolay Bukharin, Kamel Abed-Meraim, Anas Sakout |
| title_in_hierarchy | Investigation of thermo-physical fluid properties effect on binary fluid ejector performance / Mouhammad El Hassan, Hassan H. Assoum, Nikolay Bukharin, Kamel Abed-Meraim, Anas Sakout, |
| title_short | Investigation of thermo-physical fluid properties effect on binary fluid ejector performance |
| title_sort | investigation of thermo physical fluid properties effect on binary fluid ejector performance |
| topic | Aufsatz in Zeitschrift, Kongressbeitrag |
| topic_facet | Aufsatz in Zeitschrift, Kongressbeitrag |
| url | https://www.sciencedirect.com/science/article/pii/S2352484719309229/pdfft?md5=e293ae9c494798a18ff6b1c57f98180d&pid=1-s2.0-S2352484719309229-main.pdf, https://doi.org/10.1016/j.egyr.2019.11.076, http://hdl.handle.net/10419/243891 |