What pressure should the air in the wind tunnel

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A model of an airplane is to be tested at 20°C in a wind tunnel. The model is built to 1/12th scale. In order to match both the Mach number and the Reynolds number of the plane, the wind tunnel is pressurized. To what pressure (in atm) should the air in the wind tunnel be pressurized to scale both the Reynolds number and Mach number accurately?

Reference no: EM13720684

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