Mach-Zehnder干渉計による高速氣流の測定

概要

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An Interferometer of Mach-Zehnder type was used for the measurement of the air flow in Laval-nozzles, and satisfactory results were obtained. This method was also applied to the measurement of the turbulent boundary layer of the supersonic flow. Compared with the usual method using pitotstatic tubes for the measurement of velocities, this method is free from disturbing the flow by the measuring instrument itself, and the time needed for the experiment is quite shortened, as we can record the whole field of the flow on a photographic plate.
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