Time histories of noise pressures near ground level were measured during flights of fighter aircraft over flat, partly wooded terrain; atmospheric sounding and radar tracking studies were correlated with measured data; ground noise, free air, and reflected wave peak overpressures are presented and compared with available theory.
Ground measurements of shock-wave noise from airplanes in level flight at mach numbers to 1.4 and at altitudes to 45,000 feet
NASA -- Tech Note
1959
38 pages
Report
English
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