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A comparison of the effect of single and multiple cavities on base flows

Asadullah, Mohammed and Khan, Sher Afghan and Soudagar, Manzoore Elahi M and T. R., Vaishak (2019) A comparison of the effect of single and multiple cavities on base flows. In: 5th IEEE International Conference on Engineering Technologies and Applied Sciences (ICETAS) 2018, 22nd-23rd Nov. 2018, Bangkok, Thailand.

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Abstract

The paper represents a novel approach to understand the effect of single and multiple cavities on base pressure. We considered a control plate of 1 mm thick between a square nozzle of the cross-sectional area of 100 mm 2 and square duct of the cross-sectional area of 625 mm 2 . Both single and multiple cavities results are compared for a different level of expansion. The nozzle pressure ratio taken are 1.27, 1.33, 1.53 and 1.7. The high-speed compressible subsonic nozzle is being used with internal flow apparatus to achieve flows ranging between Mach 0.6 to Mach 0.9. The comparison between single and multiple cavities are shown graphically with and without control. The multiple cavities were found to be more effective as compared to a single cavity for controlling the base pressure.

Item Type: Conference or Workshop Item (Plenary Papers)
Additional Information: 6566/72580
Uncontrolled Keywords: HPC, Real-Time Systems, Resource Allocation, Scheduling
Subjects: UNSPECIFIED
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: 13 Jun 2019 10:11
Last Modified: 13 Jun 2019 10:20
URI: http://irep.iium.edu.my/id/eprint/72580

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