Radiation and critical shocks in atmospheric entry
Author(s) -
G.H. Canavan
Publication year - 1997
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/555554
Subject(s) - supercritical fluid , radiation , atmospheric sciences , altitude (triangle) , shock (circulatory) , shock wave , environmental science , physics , meteorology , astrophysics , mechanics , computational physics , optics , thermodynamics , mathematics , geometry , medicine
Sub- and supercritical shock waves are produced during atmospheric entry. The radiation efficiency of the former increases strongly with velocity and altitude; that of the latter increases with altitude, but decreases with supercritical velocities. These efficiencies shift the region of maximum radiation one to two scale heights higher and decrease overall radiation efficiency
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