霍军周

个人信息Personal Information

教授

博士生导师

硕士生导师

性别:男

毕业院校:大连理工大学

学位:博士

所在单位:机械工程学院

学科:机械设计及理论. 机械电子工程

电子邮箱:huojunzhou@dlut.edu.cn

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Dynamics simulation of stirling engine for solar energy based on the time-varying support stiffness

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论文类型:期刊论文

发表时间:2014-01-01

发表刊物:Open Mechanical Engineering Journal

收录刊物:EI、Scopus

卷号:8

期号:1

页面范围:710-715

ISSN号:1874155X

摘要:In order to simulate the Stirling engine more easily, the stiffness and damping ratio of the crankshaft bearing are assumed to be steady-state in the research before, but this assumption is contrary to the real condition. Therefore, in this paper, a time-varying stiffness and damping ratio of the crankshaft bearing simulation method has been proposed. Compared with the simulation results of the crankshaft bearings with constant stiffness, the speed fluctuation coefficient of output shaft and crankshaft in time-varying stiffness model is increased by 10%, 24.6% and 13.7%; the vibration displacement of the center mass of output shaft is decreased by 3.0%; the average dynamic load on airframe is increased by 47.9%. From the simulation results, it is found that the time-varying stiffness and damping ratio of the crankshaft bearing is significant to the characteristics of the Stirling engine dynamic response. ? Huo et al.; Licensee Bentham Open.