Gasdynamic propagation of rocket exhaust products in the upper atmosphere

Details Gasdynamic propagation of rocket exhaust products in the upper atmosphere Gasdynamic propagation of rocket exhaust products in the upper atmosphere

Dec 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ge%26ae..51..806m&link_type=abstract

Geomagnetism and Aeronomy, Volume 51, Issue 6, pp.806-811

Computer Science

Sound

Scientific paper

The dispersion of exhaust products of rocket fuel in the direction perpendicular to the motion of a rocket is investigated in this work. A comparison of the results of numerical calculations with a self-similar approximation of a strong cylindrically symmetric explosion is fulfilled. It is shown that at sufficiently high rocket velocity V ∞, which exceeds the sum of gas exhaust velocity V e from the nozzle and sound speed V s ( V ∞ > V e + V s ), a gasdynamic hole can arise around the rocket trajectory in the upper atmosphere, inside which the total concentration of gas becomes less than the equilibrium concentration of gas at a given altitude. The dynamics of the profiles of density and temperature of the exhaust products inside a rocket plume is calculated.

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