DOUBLE SHOCK TUBE METHOD FOR SIMULTANEOUS DETERMINATION OF HIGH PRESSURE AND TEMPERATURE OF AN ENCLOSED GAS
1964
Abstract : A method is discussed for the simultaneous determination of pressure and temperature of a confined, impulsively heated gas. The method requires the measurement of the shock Mach numbers in two small shock tubes that use the impulsively heated gas as a driver. Different initial pressures in the shock tubes result in two simultaneous equations for driver pressure and temperature as a function of the measured shock Mach numbers. These equations are examined for ideal and real gases in the limit of infinite driver to driven section area ratio. The effect of contamination of the driver gas during the heating pulse is considered also. (Author)
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