Influence of microjets on flow development at supersonic mach numbers with sudden expansion

Delvi, Hamza Afser and Ridwan, R and Muneer, Rayid and Faheem, Mohammed and Khan, Sher Afghan (2021) Influence of microjets on flow development at supersonic mach numbers with sudden expansion. In: International Conference on Research and Advances in Mechanical Engineering(ICRAME 2020), 10th-11th December 2020, Hyderabad, India.

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Abstract

This paper presents the control of suddenly expanded flow using four microjets at the base recirculation zone for a diameter ratio of 1.8. Eight Mach numbers are considered for investigations from 1.25 to 3. The NPRs for which the tests were conducted were from 3 to 11. The duct length considered was L = 10D to 1D. This article has shown only selected results when there is significant variation in the duct's flow field; only those cases are considered. For most of the cases, the flow remains identical with and without control. For Mach M = 1.25 to 2.5, the control results in a decline in the duct's pressure when the flow is within the reattachment length. Later there is a progressive rise in the duct pressure. However, the trend is reversed at Mach M 3.0. The least duct stretches necessary intended for the stream to continue to relate to the pipe are L = 1D, 2D, and 3D for the study's Mach number.

Item Type:	Conference or Workshop Item (Plenary Papers)
Additional Information:	7395/88470
Subjects:	T Technology > TL Motor vehicles. Aeronautics. Astronautics > TL500 Aeronautics
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Engineering Kulliyyah of Engineering > Department of Mechanical Engineering
Depositing User:	Prof. Dr. Sher Afghan Khan
Date Deposited:	05 Mar 2021 15:19
Last Modified:	20 May 2021 21:06
URI:	http://irep.iium.edu.my/id/eprint/88470

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