Thermodynamic Analysis Issues of Operating Process Efficiency for Booster Turbo-Compressors with Gas Turbine Drive. Part I
Keywords:
booster turbo-compressor package, centrifugal compressor, losses, exergy, destructionAbstract
The analysis procedure for operating process efficiency of natural gas turbo-compressor packages (GPA) equipped with gas turbine drives, centrifugal compressors (CC) with single- and double-stage compression, cooling system of gas to be compressed, as well as process system and some auxiliary systems is presented in this work. The package operating process analysis as a complex energo-technological system has been made taking into account different designs and affine energy conversion in the main components of the package. It is used the exergy method with the application of the I and II laws of thermodynamics and keeping mass, power and exergy balances. Exergy efficiency is used as the index of thermodynamic sophistication level of GPA and its component parts. Analysis of losses value has been made using the terms exergy of “fuel” and “product”. Exergy losses are divided into two components: exergy destruction and exergy losses connected with thermal interference of analyzed element with ambient medium. The GPA operating process analysis has been considered as applied to GPA of TCA-C-6,3A type with power 6,3 MW based on gas turbine engines of D-336 type designed by “Ivchenko-Progress” ZMBK, CC and other systems of the package designed by Sumy NPO PJSC.
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