Titlebook: Shock Waves in Real Gases; Course held at the D Tatiana V. Bazhenova Book 1973 CISM Udine 1973 Gases

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Shock Waves in Real Gases978-3-7091-2854-1Series ISSN 0254-1971 Series E-ISSN 2309-3706

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Numerical Methods of Calculation of Reflection of Shock Waves in Real Gases,In considering the properties of strong shock waves consideration should always be given to the real properties of the gas, since the temperature increase taking place behind a shock wave produces physicochemical transformations, i.e., excitation of internal degrees of freedom and ionization, in the flow behind the wave.

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CISM International Centre for Mechanical Scienceshttp://image.papertrans.cn/s/image/866685.jpg

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Unsteady Propagation of a Reflected Shock Wave in a Reacting Gas,ves in reacting gases is of great interest from this point of view. In addition, measurement of flow variables behind reflected shock waves and the velocity of propagation of the reflected wave may yield information on the total rates of relaxation processes which take place in the test gas at elevated temperatures.

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Flow Parameters Behind the Shock Wave in Relaxing Gases,edom of the molecules are excited, dissociation ensures, new compounds form and the gas is ionized. All these processes affect the gasdynamic variables of the flow behind the shock wave. The extent of the effect of the physicochemical transformations on the flow variables of the gas is determined by

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Mach Reflection of Strong Shock Waves in Real Gases,ves in CO., air, nitrogen and argon. In CO. excitation of molecular vibrations and dissociation are quite perceptible at sufficient low temperatures, when M. of the incident wave do not exceed 7–8. In air and nitrogen these efeffects at the same Mach numbers are less pronounced.

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Measurement,o 2500 m/sec, the incident pressure being 12 mm Hg. A 1 mm pressure gauge and a thin film platinum gauge were located in the wedge surface. Experimental methods were described in [5]. The experiments were made in air and in carbon dioxyde.