NDLI: Gasdynamic design of a two-dimensional supersonic inlet with the increased flow rate factor

Content Provider	Springer Nature Link
Author	Gounko, Yu. P. Mazhul, I. I.
Copyright Year	2012
Abstract	A two-dimensional inlet of external compression with the increased flow rate factor at high supersonic velocities is constructed by the method of gasdynamic design. Its feature is that a flow with the initial oblique shock wave and the subsequent centered isentropic compression wave is formed over the external compression ramp of the inlet. These waves interact with one another so that a resulting stronger oblique shock wave and a velocity discontinuity arise in front of the entrance to the inlet internal duct. An example of an inlet configuration with the design flow regime corresponding to the Mach number M$_{d}$ = 7 is considered. The characteristics of this inlet were obtained in the range of the free-stream Mach numbers M = 4–7 with the use of a Navier—Stokes code for turbulent flow. They are compared with characteristics of an equivalent conventional shocked inlet. As computations have shown, the inlet with the isentropic compression wave has much higher values of flow rate factor φ at Mach numbers M < M$_{d}$. So, for example, at M = 4 the value φ ≈ 0.72 for it is by 33 % higher in comparison with φ ≈ 0.54 for the equivalent shocked inlet.
Starting Page	363
Ending Page	379
Page Count	17
File Format	PDF
ISSN	08698643
Journal	Thermophysics and Aeromechanics
Volume Number	19
Issue Number	3
e-ISSN	15318699
Language	English
Publisher	SP MAIK Nauka/Interperiodica
Publisher Date	2013-02-15
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	gasdynamic design two-dimensional inlets numerical computations high supersonic velocities flow-rate and efficiency characteristics Thermodynamics
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Energy Engineering and Power Technology Aerospace Engineering Modeling and Simulation Radiation

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