Decreasing Vibrations and Noise from Power Facilities by Passive and Active Methods

A description is given of the causes by which the transmission of vibration and airborne noise from equipment to the environment should be controlled. The paths of this transmission and applicable ways for its reduction by passive and active methods are examined. It has been demonstrated that pipeli...

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Bibliographic Details
Published in:Thermal engineering 2022-11, Vol.69 (11), p.864-874
Main Authors: Kiryukhin, A. V., Mil’man, O. O., Serezhkin, L. N., Loshkareva, E. A.
Format: Article
Language:English
Subjects:
Control equipment
Engineering
Engineering Thermodynamics
Environment Protection
Expansion joints
Frequency ranges
Gas pipelines
Heat and Mass Transfer
Natural gas
Noise transmission
Petroleum pipelines
Pumping stations
Shipbuilding
Test facilities
Vibration
Vibration analysis
Working fluids
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Summary:A description is given of the causes by which the transmission of vibration and airborne noise from equipment to the environment should be controlled. The paths of this transmission and applicable ways for its reduction by passive and active methods are examined. It has been demonstrated that pipelines, even vibration-isolated from the equipment by means of expansion joints, can transmit and even amplify vibration from the installation in a wide frequency range. It is noted that reducing the vibration of pipelines is important for effective vibration isolation of equipment in power and transport machine building, shipbuilding, and of oil and gas pipelines at pump stations. Effective control of the vibration and noise transmission to the environment has been shown to require a preliminary comprehensive analysis of the importance of all paths of their transmission. A description is given of a dedicated universal research test facility for a comprehensive study of the possibility and methods for reducing the transmission of vibration and airborne noise from operating equipment with a flow of working fluid through piping using passive and active methods.
ISSN:0040-6015
1555-6301
DOI:10.1134/S0040601522110027