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 TVT, 2016, Volume 54, Issue 5, Pages 784–791 (Mi tvt6612)

Heat and Mass Transfer and Physical Gasdynamics

A study of unsteady-state operating conditions of a supersonic inlet by the RANS/ILES method

D. A. Lyubimov, I. V. Potekhina

Central Institute of Aviation Motors, State Scientific Center of Russian Federation, Moscow

Abstract: Using the hybrid RANS/ILES method, a flow was investigated under unsteady-state conditions in a rectangular mixed-compression supersonic inlet at $\mathrm{M}_d = 2$. The computations were made for Mach numbers of the incident flow $\mathrm{M}_0 = 1.8$, $2$, and $3$. The geometry of two variants was investigated, viz., with the boundary layer bleed system and without it. Calculations were performed on the meshs containing $(1.69$$1.78) \times 10^6$ cells. The flow rate through the supersonic inlet was varied within a wide range. Under most of the conditions investigated, the flow in the duct was unsteady as a consequence of separation of the boundary layer upon its interaction with the shock waves. For all geometric variants investigated and $M_0$, the throttle characteristics were constructed by the averaged flow parameters as well as the dependences of the flow rate through the boundary layer bleeding system and the static pressure pulsation level on the air inlet throttle ratio. Comparison of the computed results with the experimental data showed a good agreement in terms of both the averaged flow parameters and the pulsation characteristics.

 Funding Agency Grant Number Russian Foundation for Basic Research 15-08-01996-À This work was supported by the Russian Foundation for Basic Research, project no. 15-08-01996-A.

DOI: https://doi.org/10.7868/S0040364416050185

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English version:
High Temperature, 2016, 54:5, 737–744

Bibliographic databases:

UDC: 533.697.23:533.6.011.72:519.633
Accepted:16.06.2015

Citation: D. A. Lyubimov, I. V. Potekhina, “A study of unsteady-state operating conditions of a supersonic inlet by the RANS/ILES method”, TVT, 54:5 (2016), 784–791; High Temperature, 54:5 (2016), 737–744

Citation in format AMSBIB
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Citing articles on Google Scholar: Russian citations, English citations
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This publication is cited in the following articles:
1. L. A. Benderskii, D. A. Lyubimov, A. O. Chestnikh, B. M. Shabanov, A. A. Rybakov, “The use of the RANS/ILES method to study the influence of coflow wind on the flow in a hot, nonisobaric, supersonic airdrome jet during its interaction with the jet blast deflector”, High Temperature, 56:2 (2018), 247–254
2. D. Lyubimov, A. Fedorenko, “External flow velocity and synthetic jets parameters influence on cavity flow structure and acoustics characteristics using rans/iles”, Int. J. Aeroacoust., 17:3 (2018), 259–274
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