1961
DOI: 10.2514/8.5732
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Approximate Solution of Isentropic Swirling Flow Through a Nozzle

Abstract: This paper presents an approximate solution of swirling, potential flow through a nozzle. In this solution the radial velocity component is identically equal to zero, and hence the boundary conditions may not be satisfied exactly. The relation between the postulated velocity potential and the nozzle wall shape must thus be determined by use of the integrated continuity equation. In this process it is shown that at each axial position there exists a "minimum" radius at which the density becomes zero and the flo… Show more

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Cited by 48 publications
(16 citation statements)
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“…The analysis of swirling nozzle flows has attracted the interest of several investigators, the contributions of which are cited as [2][3][4][5][6][7][8][9][10][11]. The present analysis differs from the prior work not only in method of solution, but also in basic formulation in that the present solutions are initiated from given information at the nozzle throat.…”
Section: Introductioncontrasting
confidence: 42%
“…The analysis of swirling nozzle flows has attracted the interest of several investigators, the contributions of which are cited as [2][3][4][5][6][7][8][9][10][11]. The present analysis differs from the prior work not only in method of solution, but also in basic formulation in that the present solutions are initiated from given information at the nozzle throat.…”
Section: Introductioncontrasting
confidence: 42%
“…Several authors have investigated this subject and developed some analytical solutions [ [22][23][24][25]. Those models have been used in this work to estimate the effect of the swirling flow on the nozzle discharge coefficient.…”
Section: Efficiencymentioning
confidence: 99%
“…In the case of a single vortex (first traveling tangential mode), the effective area of the nozzle throat is reduced seriously, 6 and large increases in chamber pressure may occur. At the higher pressure, the combustion is usually stable, and this mode appears to be self-annihilating, surviving only about 0.1 sec for the configuration used.…”
Section: Effects Produced By Vorticesmentioning
confidence: 99%