A simple estimation of flow parameters in mixing gasdynamic lasers from a measured static pressure.

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  • Simple Estimation of Flow Parameters in

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When governing equations of a one-dimensional mixing theory are solved in the two limited cases, vibrational-frozen and vibrational-equilibrium flows, actual flow parameters such as static temperature and velocity at a optical cavity region in mixing gasdynamic lasers can be determined from measured static pressure at the cavity point. A measured static temperature at the laser excitation region determined by the present method is 268°K with the theoretical uncertainty of ±1.9%. This value of the temperature is well agreed with a temperature estimated by a rotational population distribution of carbon dioxide molecules. It is revealed from a theoretical consideration that the uncertainty of the flow parameters determinedthis method is less thin ±10% even at a high stagnation temperature (-3000°K) and any higher Mach number at the cavity section.

収録刊行物

  • レーザー研究

    レーザー研究 15 (10), 782-788, 1987

    一般社団法人 レーザー学会

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