The Analysis of Design and Measured Gas-dynamic Characteristics of the Centrifugal Compressor within Turboexpander Aggregate

被引：1
|
作者：
Rekstin, A. F. [1 ]
Semenovskiy, V. B. [1 ]
Galerkin, Y. B. [1 ]
Sokolov, A. A. [2 ]
机构：
[1] Peter Great St Petersburg Polytech Univ, Polytech Skaya 29, St Petersburg 195251, Russia
[2] JSC Turbokholod, 1st Rybinskaya Str 3, Moscow 107113, Russia
来源：
OIL AND GAS ENGINEERING (OGE-2018) | 2018年 / 2007卷
关键词：
turboexpander; centrifugal compressor; vaned diffuser; efficiency; work coefficient;
D O I：
10.1063/1.5051889
中图分类号：
TE [石油、天然气工业];
学科分类号：
0820 ;
摘要：
A number of gas-dynamic designs of centrifugal compressors in turbo-expander units were performed by the Universal Modeling Method by Prof. Y. Galerkin for JSC Turbokholod. Three samples of the TK-3 compressor are tested as part of the unit at the manufacturer's bench with compressed air supplied from an external source first to the compressor, then to the turbine. Three more TK-3 compressors are tested with suction from atmosphere. The measurement results are presented in the form of dimensionless characteristics calculated by the authors' algorithm. The measured values of efficiency and work coefficient vary considerably between different compressor samples for both types of tests. The calculation of the characteristics in accordance with the standard 8th version of the mathematical model of the Universal Modeling Method showed a good correspondence between the efficiency and the pressure coefficients to the averaged experimental values.
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页数：11
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