A method is described for measuring the velocity field in separated flow based on the use of a movable-electrode electron tube [mechanotron] as the velocity transducer. The profiles of the horizontal components of the mean velocity measured by means of a DIZA hot-wire anemometer adopted as standard device and by means of an anemometer with sensing element in the form of a mechanotron are compared under the conditions of nonseparated flow. It is shown that the hot-wire anemometer technique is inappropriate for measuring velocity fields in separated flow.
Moscow State University, Leninskie Gory, Moscow, 119992, Russia
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