D. A. Zhebynev, A. G. Chukaev, S. S. Panin, A. M. Fel’dman
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Abstract
The results of an experimental study of a steam jet injector in the mode of generating nonlinear pressure oscillations of a relaxation nature are presented. High-frequency decaying pressure jumps were detected on the leading edge of the oscillation curve. It is shown that, when exciting oscillations, the injector operating mode changes from supersonic to subsonic. An explanation of the pressure oscillation process during the cycle is given. With a working steam pressure of 8–10 bar, an oscillation amplitude of 5–6 bar at frequencies of 5–20 Hz was obtained.
期刊介绍：
Journal of Machinery Manufacture and Reliability is devoted to advances in machine design; CAD/CAM; experimental mechanics of machines, machine life expectancy, and reliability studies; machine dynamics and kinematics; vibration, acoustics, and stress/strain; wear resistance engineering; real-time machine operation diagnostics; robotic systems; new materials and manufacturing processes, and other topics.
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