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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 5    No. 3    September 1995

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ANALYSES OF ENERGY LOSSES AND ACCUMULATOR AND PARAMETERS DESIGN METHOD OF HYDRAULIC IMPACTOR MECHANISM
He Qinghua

Department of Mechanical Engineering; Central South University of Technology; Changsha 410083

Abstract:Based on using the formulae derived in reference[1] and thoroughly analyzing of various energy losses of hydraulic impact mechanism, the formulae for calculating mechanical efficiency, volume efficiency and total efficiency were derived. The influence of the acceleration ratio βon the efficiency was analyzed too. In addition the design method of a hydraulic impact mechanism has been introduced

 

Key words: volume efficiency; mechanical efficiency; total efficiency; accumulator design

ISSN 1672-7029
CN 43-1423/U

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