Passive control of base drag in compressible subsonic flow using multiple cavity
Compressible flow in a suddenly expanded square duct was investigated experimentally to assess the effectiveness of the passive control in the form of the cavities. The flow parameters studied were the Mach number, nozzle pressure ratio, L/W ratio, and area ratio. The test were conducted for multipl...
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | English English |
| Published: |
Transstellar Journal Publications and Research Consultancy Private Limited (TJPRC PVT. LTD.)
2018
|
| Subjects: | |
| Online Access: | http://irep.iium.edu.my/64409/ http://irep.iium.edu.my/64409/1/Cavity-2-67-1529920471-5.IJMPERDAUG20185.pdf http://irep.iium.edu.my/64409/7/64409_Passive%20control%20of%20base%20drag%20in%20compressible%20subsonic%20flow_SCOPUS.pdf |
| _version_ | 1848786212945395712 |
|---|---|
| author | Khan, Sher Afghan Asad Ullah, Mohammed G M, Fharukh Ahmed Jalaluddeen, Ahmed Baig, Maugal Ahmed Ali |
| author_facet | Khan, Sher Afghan Asad Ullah, Mohammed G M, Fharukh Ahmed Jalaluddeen, Ahmed Baig, Maugal Ahmed Ali |
| author_sort | Khan, Sher Afghan |
| building | IIUM Repository |
| collection | Online Access |
| description | Compressible flow in a suddenly expanded square duct was investigated experimentally to assess the effectiveness of the passive control in the form of the cavities. The flow parameters studied were the Mach number, nozzle pressure ratio, L/W ratio, and area ratio. The test were conducted for multiple cavities and without multiple cavities. From
experimental results it is seen that the multiple cavity has a very good effect in reduction of base drag by decreasing the base suction and hence increasing the base pressure. From experimental investigation it is found that for all the L/W ratios the effect of multiple cavities are able to control the base pressure, further, it was seen that with the increase in the duct length control is becoming very effective. The wall pressure in the duct indicates that the passive control in the form of cavity do not disturb the flow field in the duct. |
| first_indexed | 2025-11-14T17:05:27Z |
| format | Article |
| id | iium-64409 |
| institution | International Islamic University Malaysia |
| institution_category | Local University |
| language | English English |
| last_indexed | 2025-11-14T17:05:27Z |
| publishDate | 2018 |
| publisher | Transstellar Journal Publications and Research Consultancy Private Limited (TJPRC PVT. LTD.) |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | iium-644092018-09-07T04:07:55Z http://irep.iium.edu.my/64409/ Passive control of base drag in compressible subsonic flow using multiple cavity Khan, Sher Afghan Asad Ullah, Mohammed G M, Fharukh Ahmed Jalaluddeen, Ahmed Baig, Maugal Ahmed Ali TL Motor vehicles. Aeronautics. Astronautics TL1 Motor vehicles Compressible flow in a suddenly expanded square duct was investigated experimentally to assess the effectiveness of the passive control in the form of the cavities. The flow parameters studied were the Mach number, nozzle pressure ratio, L/W ratio, and area ratio. The test were conducted for multiple cavities and without multiple cavities. From experimental results it is seen that the multiple cavity has a very good effect in reduction of base drag by decreasing the base suction and hence increasing the base pressure. From experimental investigation it is found that for all the L/W ratios the effect of multiple cavities are able to control the base pressure, further, it was seen that with the increase in the duct length control is becoming very effective. The wall pressure in the duct indicates that the passive control in the form of cavity do not disturb the flow field in the duct. Transstellar Journal Publications and Research Consultancy Private Limited (TJPRC PVT. LTD.) 2018-08 Article PeerReviewed application/pdf en http://irep.iium.edu.my/64409/1/Cavity-2-67-1529920471-5.IJMPERDAUG20185.pdf application/pdf en http://irep.iium.edu.my/64409/7/64409_Passive%20control%20of%20base%20drag%20in%20compressible%20subsonic%20flow_SCOPUS.pdf Khan, Sher Afghan and Asad Ullah, Mohammed and G M, Fharukh Ahmed and Jalaluddeen, Ahmed and Baig, Maugal Ahmed Ali (2018) Passive control of base drag in compressible subsonic flow using multiple cavity. International Journal of Mechanical and Production Engineering Research and Development (IJMPERD), 8 (4). pp. 39-44. ISSN 2249-6890 E-ISSN 2249-8001 http://www.tjprc.org/publishpapers/2-67-1529991141-5.IJMPERDAUG20185_2.pdf 10.24247/ijmperdaug20185 |
| spellingShingle | TL Motor vehicles. Aeronautics. Astronautics TL1 Motor vehicles Khan, Sher Afghan Asad Ullah, Mohammed G M, Fharukh Ahmed Jalaluddeen, Ahmed Baig, Maugal Ahmed Ali Passive control of base drag in compressible subsonic flow using multiple cavity |
| title | Passive control of base drag in compressible subsonic flow using multiple cavity |
| title_full | Passive control of base drag in compressible subsonic flow using multiple cavity |
| title_fullStr | Passive control of base drag in compressible subsonic flow using multiple cavity |
| title_full_unstemmed | Passive control of base drag in compressible subsonic flow using multiple cavity |
| title_short | Passive control of base drag in compressible subsonic flow using multiple cavity |
| title_sort | passive control of base drag in compressible subsonic flow using multiple cavity |
| topic | TL Motor vehicles. Aeronautics. Astronautics TL1 Motor vehicles |
| url | http://irep.iium.edu.my/64409/ http://irep.iium.edu.my/64409/ http://irep.iium.edu.my/64409/ http://irep.iium.edu.my/64409/1/Cavity-2-67-1529920471-5.IJMPERDAUG20185.pdf http://irep.iium.edu.my/64409/7/64409_Passive%20control%20of%20base%20drag%20in%20compressible%20subsonic%20flow_SCOPUS.pdf |