Analytical and Numerical Study on the Performance of ‎Supersonic Ejector at Different Operating Conditions ‎and Working Fluids

The computation of ejector geometry for a given fluid is essential and plays a crucial role in creating an ejector profile and performance analysis. The current paper discusses the constant rate of momentum change (CRMC) approach using a real gas equation for ejector design. The numerical analysis i...

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Autores principales:	S. K. Yadav, K. M. Pandey, R. Gupta
Formato:	article
Lenguaje:	EN
Publicado:	Isfahan University of Technology 2021
Materias:	ejector; crmc; jet-pump; entrainment ratio; working fluids.‎ Mechanical engineering and machinery TJ1-1570
Acceso en línea:	https://doaj.org/article/37249436f2a645f389aa3e94a707d8a8
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id	oai:doaj.org-article:37249436f2a645f389aa3e94a707d8a8
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spelling	oai:doaj.org-article:37249436f2a645f389aa3e94a707d8a82021-11-13T07:03:04ZAnalytical and Numerical Study on the Performance of ‎Supersonic Ejector at Different Operating Conditions ‎and Working Fluids1735-3572https://doaj.org/article/37249436f2a645f389aa3e94a707d8a82021-01-01T00:00:00Zhttp://jafmonline.net/JournalArchive/download?file_ID=56913&issue_ID=1015https://doaj.org/toc/1735-3572The computation of ejector geometry for a given fluid is essential and plays a crucial role in creating an ejector profile and performance analysis. The current paper discusses the constant rate of momentum change (CRMC) approach using a real gas equation for ejector design. The numerical analysis is carried to validate the analytical geometry and the effect of operating parameters on the entrainment ratio. The variation in entrainment ratio for the different working fluids has also been studied on the geometry computed for water-vapour. It is observed that the entrainment ratio of the ejector significantly varies with the change in operating conditions and working fluids. The numerically predicted entrainment ratio is ~0.354 compared to the on-design entrainment ratio 0.4 for water vapor, while the predicted entrainment ratio for other working fluids is ~0.319, ~0.314, and ~0.36 for air, N2, and CO2, respectively‎.S. K. YadavK. M. PandeyR. GuptaIsfahan University of Technology articleejector; crmc; jet-pump; entrainment ratio; working fluids.‎Mechanical engineering and machineryTJ1-1570ENJournal of Applied Fluid Mechanics, Vol 14, Iss 6, Pp 1705-1716 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	ejector; crmc; jet-pump; entrainment ratio; working fluids.‎ Mechanical engineering and machinery TJ1-1570
spellingShingle	ejector; crmc; jet-pump; entrainment ratio; working fluids.‎ Mechanical engineering and machinery TJ1-1570 S. K. Yadav K. M. Pandey R. Gupta Analytical and Numerical Study on the Performance of ‎Supersonic Ejector at Different Operating Conditions ‎and Working Fluids
description	The computation of ejector geometry for a given fluid is essential and plays a crucial role in creating an ejector profile and performance analysis. The current paper discusses the constant rate of momentum change (CRMC) approach using a real gas equation for ejector design. The numerical analysis is carried to validate the analytical geometry and the effect of operating parameters on the entrainment ratio. The variation in entrainment ratio for the different working fluids has also been studied on the geometry computed for water-vapour. It is observed that the entrainment ratio of the ejector significantly varies with the change in operating conditions and working fluids. The numerically predicted entrainment ratio is ~0.354 compared to the on-design entrainment ratio 0.4 for water vapor, while the predicted entrainment ratio for other working fluids is ~0.319, ~0.314, and ~0.36 for air, N2, and CO2, respectively‎.
format	article
author	S. K. Yadav K. M. Pandey R. Gupta
author_facet	S. K. Yadav K. M. Pandey R. Gupta
author_sort	S. K. Yadav
title	Analytical and Numerical Study on the Performance of ‎Supersonic Ejector at Different Operating Conditions ‎and Working Fluids
title_short	Analytical and Numerical Study on the Performance of ‎Supersonic Ejector at Different Operating Conditions ‎and Working Fluids
title_full	Analytical and Numerical Study on the Performance of ‎Supersonic Ejector at Different Operating Conditions ‎and Working Fluids
title_fullStr	Analytical and Numerical Study on the Performance of ‎Supersonic Ejector at Different Operating Conditions ‎and Working Fluids
title_full_unstemmed	Analytical and Numerical Study on the Performance of ‎Supersonic Ejector at Different Operating Conditions ‎and Working Fluids
title_sort	analytical and numerical study on the performance of ‎supersonic ejector at different operating conditions ‎and working fluids
publisher	Isfahan University of Technology
publishDate	2021
url	https://doaj.org/article/37249436f2a645f389aa3e94a707d8a8
work_keys_str_mv	AT skyadav analyticalandnumericalstudyontheperformanceofsupersonicejectoratdifferentoperatingconditionsandworkingfluids AT kmpandey analyticalandnumericalstudyontheperformanceofsupersonicejectoratdifferentoperatingconditionsandworkingfluids AT rgupta analyticalandnumericalstudyontheperformanceofsupersonicejectoratdifferentoperatingconditionsandworkingfluids
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Analytical and Numerical Study on the Performance of ‎Supersonic Ejector at Different Operating Conditions ‎and Working Fluids

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