An Experimental Setup for Pulse Heating of Bodies in Crossed Gas Flows

Dobroselsky, K. G.; Nebuchinov, A. S.; Yudin, P. V.; Palymskiy, V. I.; Antipin, V. A.

doi:10.1134/s0020441218060180

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2021

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“…An open-type wind tunnel is used to conduct experimental studies [9]. A scheme for organizing nonstationary interaction between the main stationary air flow and a jet of pulsating air is developed.…”

Section: Experimental Methodsmentioning

confidence: 99%

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Penetration of vertical pulsed jets in crossflow at low velocity ratio

Dobroselsky

2021

J. Phys.: Conf. Ser.

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Using the visualization method, the initial rise and penetration of a circular turbulent pulsed jet into a transverse air flow are studied at the ratio of jet velocities to the transverse flow r = u j /u f = 0.67–2.33. A comparative assessment of the penetration of a pulsating jet into a transverse flow for frequencies from 0 to 20 Hz is carried out. The cases of both stationary and oscillating jet flows are analyzed. The penetration of a pulsating jet into a transverse flow is shown to be more significant than for a stationary one and depends on an increase in the ratio of velocities and frequency: it increases linearly at a fixed frequency and passes through a minimum at a fixed ratio of velocities.

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Section: Experimental Methodsmentioning

confidence: 99%

“…The pulsation organization unit is a plate valve (a disk with four radially arranged slot orifices), which is located on an axis inside a fixed housing. When the disk rotates relative to the body with a certain frequency, the air jet stream that passes through the pulsator is periodically blocked [9].…”

Section: Experimental Methodsmentioning

confidence: 99%

Penetration of vertical pulsed jets in crossflow at low velocity ratio

Dobroselsky

2021

J. Phys.: Conf. Ser.

View full text Add to dashboard Cite

show abstract

An Experimental Setup for Pulse Heating of Bodies in Crossed Gas Flows

Cited by 1 publication

References 4 publications

Penetration of vertical pulsed jets in crossflow at low velocity ratio

Penetration of vertical pulsed jets in crossflow at low velocity ratio

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