Methodology of processing of high-speed water jet film materials

Abstract

The high-speed movie camera FP-22, used in the study of the water jet in the conditions in the laboratory of the Leningrad Mining Institute, shot at a frequency of 25,000 and 50,000 frames per second. The total length of each film was approximately 30 m with a frame width of 5 mm and a height of 3.5 mm. The water pressure in the pump was varied from 2 to 150 ati. In studying each film, the following were mainly taken into account: 1) the shooting frequency (number of frames per second); 2) the diameter of the nozzle (its shape was not changed); 3) the water pressure; and 4) the presence or absence of a stabilizer.

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