Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
The influence of the thermal wake due to pulsating optical discharge on the aerodynamic-drag force. / Kiseleva, T. A.; Golyshev, A. A.; Yakovlev, V. I. и др.
в: Thermophysics and Aeromechanics, Том 25, № 2, 01.03.2018, стр. 257-264.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - The influence of the thermal wake due to pulsating optical discharge on the aerodynamic-drag force
AU - Kiseleva, T. A.
AU - Golyshev, A. A.
AU - Yakovlev, V. I.
AU - Orishich, A. M.
N1 - Publisher Copyright: © 2018, Pleiades Publishing, Ltd.
PY - 2018/3/1
Y1 - 2018/3/1
N2 - The influence of a thermal wake due to gas injection and due to a pulsating optical discharge (POD) on the aero-dynamic-drag force of a body in a supersonic air flow with Mach number M = 1.45 are experimentally examined. With the help of a single-component aerodynamic balance, the influence of the injected subsonic jet and the thermal wake produced by POD on the aerodynamic drag of a hemisphere-on-cylinder model was studied. It is shown that the observed aerodynamic-force reduction phenomenon can be made more pronounced by increasing the laser power and pulse repetition frequency, or by decreasing the distance between the model and the pulsating optical discharge. The maximum aerodynamic-force reduction (up to 15%) due to the thermal-wake action was observed at a maximum laser-radiation power of W = 2.3 kW and at a pulse rate of f = 90 kHz. The joint effect due to the argon jet and due to the POD caused an aerodynamic-drag force reduction reaching 30%.
AB - The influence of a thermal wake due to gas injection and due to a pulsating optical discharge (POD) on the aero-dynamic-drag force of a body in a supersonic air flow with Mach number M = 1.45 are experimentally examined. With the help of a single-component aerodynamic balance, the influence of the injected subsonic jet and the thermal wake produced by POD on the aerodynamic drag of a hemisphere-on-cylinder model was studied. It is shown that the observed aerodynamic-force reduction phenomenon can be made more pronounced by increasing the laser power and pulse repetition frequency, or by decreasing the distance between the model and the pulsating optical discharge. The maximum aerodynamic-force reduction (up to 15%) due to the thermal-wake action was observed at a maximum laser-radiation power of W = 2.3 kW and at a pulse rate of f = 90 kHz. The joint effect due to the argon jet and due to the POD caused an aerodynamic-drag force reduction reaching 30%.
KW - aerodynamic-drag force
KW - CO-laser
KW - gas injection
KW - pulsating optical discharge
KW - supersonic flow
KW - thermal wake
UR - http://www.scopus.com/inward/record.url?scp=85048664941&partnerID=8YFLogxK
U2 - 10.1134/S0869864318020117
DO - 10.1134/S0869864318020117
M3 - Article
AN - SCOPUS:85048664941
VL - 25
SP - 257
EP - 264
JO - Thermophysics and Aeromechanics
JF - Thermophysics and Aeromechanics
SN - 0869-8643
IS - 2
ER -
ID: 14047787