流体机械

2014, v.42;No.507(09) 14-18

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滚动转子压缩机工况对排气阀运动规律影响研究
Study on Influence of Operating Condition on the Movement of Discharge Valve in a Rotary Compressor

谭琴;张金圈;廖雪丽;冯全科;
TAN Qin;ZHANG Jin-quan;LIAO Xue-li;FENG Quan-ke;Xi'an Jiaotong University;

摘要(Abstract):

建立了滚动转子压缩机排气阀三维流固耦合动力学模型。应用该模型分析了压缩机转速、排气压力、排气密度和排气角对排气阀运动规律的影响。研究发现:阀片撞击挡板的速度随着压缩机转速的增加、排气压力的增加、排气时压缩腔容积变化率的增加和排气时压缩腔容积的减少而增加。
The three-dimensional fluid-structure interaction( FSI) model was proposed for the discharge valve movement in a rotary compressor. By this FSI model,the influence of speed of compressor,discharge pressure,discharge density and discharge angle on the movement of the discharge valve was studied. It is found that the impact velocity of the valve reed impacting on the retainer increases as the speed of compressor,the discharge pressure and the volume change rate of compression chamber at the time of discharge increase,and increases when the volume of compression chamber at the time of discharge decreases.

关键词(KeyWords): 流固耦合;滚动转子压缩机;排气阀;运动规律
fluid-structure interaction;rotary compressor;discharge valve;movement

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作者(Author): 谭琴;张金圈;廖雪丽;冯全科;
TAN Qin;ZHANG Jin-quan;LIAO Xue-li;FENG Quan-ke;Xi'an Jiaotong University;

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