Research for the Fluid Field of the Centrifugal Compressor Impeller in Accelerating Startup

被引:3
|
作者
Li, Xiaozhu [1 ]
Chen, Gang [2 ]
Zhu, Changyun [2 ]
Qin, Guoliang [1 ]
机构
[1] Xi An Jiao Tong Univ, Xian 710049, Peoples R China
[2] Xian Modern Control Technol Res Inst, Xian 710065, Peoples R China
关键词
centrifugal compressor; accelerated start-up; transient flow field; MOMENTUM INTERPOLATION; GRIDS;
D O I
10.1515/tjj-2012-0036
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
In order to study the flow field in the impeller in the accelerating start-up process of centrifugal - compressor, the 3-D and 1-D transient accelerated flow governing equations along streamline in the impeller of the centrifugal compressor are derived in detail, the assumption of pressure gradient distribution is presented, and the solving method for 1-D transient accelerating flow field is given based on the assumption. The solving method is achieved by programming and the computing result is obtained. It is obtained by comparison that the computing method is met with the test result. So the feasibility and effectiveness for solving accelerating start-up problem of centrifugal compressor by the solving method in this paper is proven.
引用
收藏
页码:91 / 100
页数:10
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