Combined energy–power action on a source in the constant Mach number regime with the given external force

Combined action on a source that flows into a submerged area or vacuum in the constant Mach number regime has been studied. The action by an external force has been defined with a constant distribution function (the force is given per unit volume) and with a distribution function proportional to the...

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Bibliographic Details
Published inTechnical physics Vol. 62; no. 2; pp. 208 - 217
Main Author Kucherov, A. N.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.02.2017
Springer
Springer Nature B.V
Subjects
Analysis
Classical and Continuum Physics
Distribution functions
Enthalpy
Force distribution
Gas density
Gases and Liquids
Mach number
Physics
Physics and Astronomy
Probability distributions
Stress concentration
Subsonic flow
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Summary:Combined action on a source that flows into a submerged area or vacuum in the constant Mach number regime has been studied. The action by an external force has been defined with a constant distribution function (the force is given per unit volume) and with a distribution function proportional to the gas density (the force is given per unit mass). The investigations have been carried out for cylindrical and spherical sources. Similarity and differences, advantages and drawbacks of the above-mentioned cases and variants have been analyzed. It has been shown that the enthalpy increases significantly in subsonic flow (for the Mach number smaller than unity) by several times in the cylindrical source and by more than an order of magnitude in the spherical source. The total enthalpy increment increases with the length of the action zone or with the coordinate of the closing section.
ISSN:1063-7842
1090-6525
DOI:10.1134/S1063784217020177