Open AccessDEVELOPMENT OF VIBRATORY CAVITATION EROSION TEST SETUP AND ITS QUALIFICATION
Author(s) -
Y.P. Ranerajput,
Sudhindra N. Jalwadi,
S.B. Pandharikar,
P.K. Limaye
Publication year - 2020
Publication title -
international journal of engineering applied science and technology
Language(s) - English
Resource type - Journals
ISSN - 2455-2143
DOI - 10.33564/ijeast.2020.v05i05.034
Subject(s) - cavitation , cavitation erosion , erosion , test (biology) , forensic engineering , environmental science , engineering , marine engineering , geotechnical engineering , acoustics , geology , physics , paleontology
The formation of vapor or vapor and gas-filled bubbles in a liquid due to reduction in pressure is known as cavitation. Generally developed around pump impeller, propeller blades, torpedo etc. The usual parameters which affect cavitation damage are compressibility, viscosity & density, thermodynamic effect etc. Many types of machinery use water hydraulic system. Usually, the valves of the water hydraulic system show frequent failure. On observation, it is found that the rudimentary reason for the failure of components is Cavitation Erosion. Evaluation of Cavitation Erosion resistance for different materials shall give the required inputs for the selection of material for hydraulic valves. In this work, the vibratory cavitation test facility has been developed for the evaluation of erosion resistance of various materials. The details of the experimental setup of Vibratory Cavitation Erosion test setup, calibration and qualification of setup important parameters of vibratory cavitation test viz. standard test conditions, test specimen, the procedure of testing etc. and calibration & qualification of test facility are explained. Mean depth of erosion, Erosion rate, t50 (time required to erode 50 μm depth), t100 and t200 are founded. The specimen of SS 316 takes 6 hours, 10.5-11 hours and 22 hours to t50, t100 and t200 resp. Keywords— Cavitation, Cavitation-erosion, Vibratory