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Experimental and Numerical Assessment on S-shaped Diffuser performance with different Turbulence Intensity

The turbulence structure in air intake S-shaped diffuser is proven to be influencing parameter on the diffuser performance. In the present research work, experimental and numerical investigations have been undertaken to explore the effect of inlet turbulence intensity level on the performance of air...

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Main Authors: Jessam, R., Al-Kayiem, H.H., Nasif, M.S., Abed Jaddoa Albuali, A.
Format: Conference or Workshop Item
Published: Institute of Physics Publishing 2020
Online Access:https://www.scopus.com/inward/record.uri?eid=2-s2.0-85082589757&doi=10.1088%2f1757-899X%2f765%2f1%2f012046&partnerID=40&md5=f84bc601f332c345f5d18c6729d59e53
http://eprints.utp.edu.my/24602/
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spelling my.utp.eprints.246022021-08-27T05:25:58Z Experimental and Numerical Assessment on S-shaped Diffuser performance with different Turbulence Intensity Jessam, R. Al-Kayiem, H.H. Nasif, M.S. Abed Jaddoa Albuali, A. The turbulence structure in air intake S-shaped diffuser is proven to be influencing parameter on the diffuser performance. In the present research work, experimental and numerical investigations have been undertaken to explore the effect of inlet turbulence intensity level on the performance of air intake S-shaped diffuser. Detailed measurements including pressure and velocity at the inlet and outlet planes and static pressure on the top and bottom walls were taken at three pre-selected Reynolds numbers of 4.8�104, 6.4�104 and 7.5�104. The predicted corresponding turbulence intensities at the experimented three Re, were 4.16, 3.15 and 2.8. ANSYS-FLUENT 15 software with Standard k-ϵ turbulence model has been used for numerical simulations. Numerical results of static pressure recovery, total pressure loss coefficient and wall static pressure recovery have been compared with the experimental results. The experimental results indicate that increasing Reynolds number at the inlet of S-shaped diffuser resulting in slight decrease in measured turbulence intensity. Also, as Re increased from 4.8x104 to 7.5x104, the static pressure recovery increased by 9 and the total pressure loss coefficient was reduced by 4.9. © Published under licence by IOP Publishing Ltd. Institute of Physics Publishing 2020 Conference or Workshop Item NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85082589757&doi=10.1088%2f1757-899X%2f765%2f1%2f012046&partnerID=40&md5=f84bc601f332c345f5d18c6729d59e53 Jessam, R. and Al-Kayiem, H.H. and Nasif, M.S. and Abed Jaddoa Albuali, A. (2020) Experimental and Numerical Assessment on S-shaped Diffuser performance with different Turbulence Intensity. In: UNSPECIFIED. http://eprints.utp.edu.my/24602/
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Institutional Repository
url_provider http://eprints.utp.edu.my/
description The turbulence structure in air intake S-shaped diffuser is proven to be influencing parameter on the diffuser performance. In the present research work, experimental and numerical investigations have been undertaken to explore the effect of inlet turbulence intensity level on the performance of air intake S-shaped diffuser. Detailed measurements including pressure and velocity at the inlet and outlet planes and static pressure on the top and bottom walls were taken at three pre-selected Reynolds numbers of 4.8�104, 6.4�104 and 7.5�104. The predicted corresponding turbulence intensities at the experimented three Re, were 4.16, 3.15 and 2.8. ANSYS-FLUENT 15 software with Standard k-ϵ turbulence model has been used for numerical simulations. Numerical results of static pressure recovery, total pressure loss coefficient and wall static pressure recovery have been compared with the experimental results. The experimental results indicate that increasing Reynolds number at the inlet of S-shaped diffuser resulting in slight decrease in measured turbulence intensity. Also, as Re increased from 4.8x104 to 7.5x104, the static pressure recovery increased by 9 and the total pressure loss coefficient was reduced by 4.9. © Published under licence by IOP Publishing Ltd.
format Conference or Workshop Item
author Jessam, R.
Al-Kayiem, H.H.
Nasif, M.S.
Abed Jaddoa Albuali, A.
spellingShingle Jessam, R.
Al-Kayiem, H.H.
Nasif, M.S.
Abed Jaddoa Albuali, A.
Experimental and Numerical Assessment on S-shaped Diffuser performance with different Turbulence Intensity
author_facet Jessam, R.
Al-Kayiem, H.H.
Nasif, M.S.
Abed Jaddoa Albuali, A.
author_sort Jessam, R.
title Experimental and Numerical Assessment on S-shaped Diffuser performance with different Turbulence Intensity
title_short Experimental and Numerical Assessment on S-shaped Diffuser performance with different Turbulence Intensity
title_full Experimental and Numerical Assessment on S-shaped Diffuser performance with different Turbulence Intensity
title_fullStr Experimental and Numerical Assessment on S-shaped Diffuser performance with different Turbulence Intensity
title_full_unstemmed Experimental and Numerical Assessment on S-shaped Diffuser performance with different Turbulence Intensity
title_sort experimental and numerical assessment on s-shaped diffuser performance with different turbulence intensity
publisher Institute of Physics Publishing
publishDate 2020
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85082589757&doi=10.1088%2f1757-899X%2f765%2f1%2f012046&partnerID=40&md5=f84bc601f332c345f5d18c6729d59e53
http://eprints.utp.edu.my/24602/
_version_ 1738656613209735168
score 13.211869

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