GENERATION AND METHODS FOR VIBRO-ACOUSTIC ACTIVITY DECREASE IN GASCOMPRESSOR UNITS WITH GAS TURBINE DRIVE
Rubrics: MECHANICAL ENGINEERING
Authors:
Type:
Article
Pages:
from 68
to 71
Status:
Published
Received:
01.03.2017
Accepted:
01.03.2017
Published:
01.03.2017
Language:
Russian
Keywords:
turbo-machine, vibration, bearing, gas supercharger
Abstract (English):
Block-modular gas compressor units (GCU) of a container type with an aircraft and ship gasturbine drive – a power source of vibration and noise pollution of environment. Their basic inner sources – gas turbine engine and a centrifugal compressor. Besides, to power noise sources in the structure of GCU belong multiplier, an air cleaner of the air inlet system, an exhaust shaft, section walls of an engine and a compressor. A gas turbine engine and a compressor define mainly a distant sound field and the rest of noise sources – near-in one. A complex modernization of such plants may be carried out on the basis of the investigations of the level of vibrations and noise of all elements of such units. With this purpose there were carried out inves-tigations of vibro-acoustic characteristics of GCU of GCU-16MG type with the capacity of 16 MW where as a drive of the centrifugal compressor of 370-18-1 NZL type serves a ship convertible engine of DG-90 type produced by “Zarya” Co. Noise sources and vibrations of blade machines are studied, their vibro-acoustic characteristics are analyzed and methods for the decrease of vibro-acoustic activities of GCUs of such a type are offered.
Block-modular gas compressor units (GCU) of a container type with an aircraft and ship gasturbine drive – a power source of vibration and noise pollution of environment. Their basic inner sources – gas turbine engine and a centrifugal compressor. Besides, to power noise sources in the structure of GCU belong multiplier, an air cleaner of the air inlet system, an exhaust shaft, section walls of an engine and a compressor. A gas turbine engine and a compressor define mainly a distant sound field and the rest of noise sources – near-in one. A complex modernization of such plants may be carried out on the basis of the investigations of the level of vibrations and noise of all elements of such units. With this purpose there were carried out inves-tigations of vibro-acoustic characteristics of GCU of GCU-16MG type with the capacity of 16 MW where as a drive of the centrifugal compressor of 370-18-1 NZL type serves a ship convertible engine of DG-90 type produced by “Zarya” Co. Noise sources and vibrations of blade machines are studied, their vibro-acoustic characteristics are analyzed and methods for the decrease of vibro-acoustic activities of GCUs of such a type are offered.
Keywords:
turbo-machine, vibration, bearing, gas supercharger
turbo-machine, vibration, bearing, gas supercharger
1. Drokonov, А.М. Generation and Methods for Vibro-acoustic Activity Decrease in Turbo-machines / А.М. Drokonov, Т.А. Nikolayeva. - Bryansk: BSU, 2012. - pp. 222.
2. Drokonov, А.М. Acoustic Characteristics of Turbine Plants / А.М. Drokonov, А.Е. Drokonov. - Bryansk: BSTU, 2013. - pp. 192.
