The Influence of Local Heating of Incident Flow on Level of Sonic Boom from Thin Body in Wind Shadow behind a Disk

Calculations of the sonic boom from two bodies—a disk and a thin body of revolution—have been carried out with local heating of the incoming air flow. The bodies are located in the thermal wake behind the heated area. The thin body is in the wind shadow behind the disk. The Mach number of unheated a...

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Bibliographic Details
Published in:Technical physics letters 2021-11, Vol.47 (11), p.810-813
Main Authors: Potapkin, A. V., Moskvichev, D. Yu
Format: Article
Language:English
Subjects:
Air flow
Classical and Continuum Physics
Heating
Mach number
Mathematical analysis
Physics
Physics and Astronomy
Shadows
Sonic booms
Thin bodies
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Summary:Calculations of the sonic boom from two bodies—a disk and a thin body of revolution—have been carried out with local heating of the incoming air flow. The bodies are located in the thermal wake behind the heated area. The thin body is in the wind shadow behind the disk. The Mach number of unheated air flow is 2. Calculations were performed using the combined “phantom body” approach. Based on the calculations, a conclusion was drawn about the effectiveness of the sonic boom suppression by simultaneous heating of the incident flow and using the wind shadow behind the disk.
ISSN:1063-7850
1090-6533
DOI:10.1134/S106378502108023X