Abstract
Results are given of theoretical and experimental investigations of heat exchange at a surface past which a turbulent jet stream with strong transverse nonuniformity flows, and data are given from an investigation of the distribution of the gasdynamic parameters at the initial part of the supersonic turbulent submerged stream.
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Abbreviations
- r0, rr0 :
-
radii of the nozzle section and tube respectively
- xr0, yr0 :
-
longitudinal and transverse coordinates for the tube
- x0r0 :
-
distance between the nozzle section and the front edge of the tube
- Xr0 :
-
effective length of the plate
- θr0,ϑr0 :
-
size of momentum and energy loss
- V, M:
-
velocity and Mach number of the undisturbed flow in the core of the jet
- pρ ∞V2,ρ ρ ∞,μ μ ∞ :
-
pressure, density, and viscosity
- σ:
-
Prandtl number
- uV, πr0 2 ρ ∞Vψ :
-
velocity and stream function
- HV2, hV2 :
-
total and static enthalpies
- HeV2 :
-
enthalpy recovery
- h*V2 :
-
enthalpy by the method of Eckert
- S, q=Sρ ∞V3 :
-
Stanton number and heat flux
- H+V2 :
-
enthalpy of the quiescent medium
- w, ∞, and k:
-
values at the surface during viscous flow, in the undisturbed flow, and at the point of isentropic flow retardation, respectively
Literature cited
V. V. Lunev, “Method of mean mass values for the boundary layer in the outer flow with transverse nonuniformity,” Izv. Akad. Nauk SSSR, Mekhan. Zhidk. i Gaza, No. 1 (1967).
V. A. Karpov, “The turbulent boundary layer at the surfaces of flooded cones,” Izv. Akad. Nauk SSSR, Mekhan. Zhidk. i Gaza, No. 3 (1968).
V. S. Avduevskii, “Method of calculating the spatial turbulent boundary layer in a compressible gas,” Izv. Akad. Nauk SSSR, OTN, Mekh. i Mash., No. 4 (1962).
E. Eckert, “Engineering methods of calculating laminar and turbulent heat exchange and friction during flow past a surface at constant pressure and temperature with a high gas stream velocity,” Vopr. Raketn. Tekh., No. 4 (1957).
Pai Shih-i, Turbulent Flow of Liquids and Gases [Russian translation], Izd-vo Inostr. Lit., Moscow (1962).
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Translated from Izvestiya Akademii Nauk SSSR, Mekhanika Zhidkosti i Gaza, No. 6, pp. 154–158, November–December, 1971.
The author wishes to thank V. V. Lunev for assistance in this work.
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Karpov, V.A. Heat exchange at a plate during longitudinal turbulent stream flow past it. Fluid Dyn 6, 1046–1049 (1971). https://doi.org/10.1007/BF01019819
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DOI: https://doi.org/10.1007/BF01019819