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Thermophysics and Aeromechanics

2026 year, number 1

Investigation on a gas jet blowing with the influence on pressure variation on a cylinder with across flow

V.A. Kislovskiy, D.A. Semchenko
Khristianovich Institute of Theoretical and Applied Mechanics SB RAS, Novosibirsk, Russia
Keywords: gas jet blowing, supersonic flow, aerodynamics, experiment, pressure distribution

Abstract

The paper presents experimental results from a study on supersonic flow across a cylinder. Selected measurements of pressure on the cylinder surface were taken. Different variants of jet blowing were tested with a focus on variation in the pressure distribution on a surface. The difference between variants was in positioning the blowing hole on the cylinder circumference in the mean cross-section. The paper describes the influence of the hole position on the pressure distribution for a case of interaction between a supersonic free stream and a jet. New experimental data on a pressure distribution on a circular cylinder surface with at different positions of the blow hole are now available.