Abstract
Abstract : The design philosophy and details of the ARL Mach 3 High Reynolds Number Facility are described and the results of extensive calibration tests are presented. The facility is an intermittent cold flow wind tunnel having a constant area test section 8 inches wide and 8.2 inches high, with a test rhombus 23 inches long. It operates in a blowdown mode using dry compressed air which is exhausted to the atmosphere through a silencer. Tunnel stagnation pressures range from 40 psia to 570 psia, with stagnation temperatures in a range from 400 degrees Rankine to 500 degrees Rankine depending upon ambient conditions. The corresponding free stream unit Reynolds numbers vary from 7 million per foot to 140 million per foot.
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