Solution of Combustor Noise in a Coal Gasification Cogeneration Application of 100-MW-Class Combustion Turbines

Source: Journal of Engineering for Gas Turbines and Power:;1990:;volume( 112 ):;issue: 001::page 38
Author:
A. J. Scalzo
 ,
W. T. Sharkey
 ,
W. C. Emmerling
DOI: 10.1115/1.2906475
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The field conversion of two W501D5 combustion turbines to burn medium Btu fuel gas supplied by a Dow Chemical coal gasification process at Plaquemine, LA resulted in excessive 105-Hz airborne sound and a corresponding unacceptable nonsynchronous engine vibration when burning natural gas. A joint Westinghouse and Dow Chemical corrective action program is described including field tests. Test results indicated that the combustion noise phenomenon was related to the strength of the primary air scoop recirculation pattern and its compatibility with the fuel and steam momentum vectors. A design was selected that eliminated the nonsynchronous combustion noise generated vibration and reduced the 100-Hz third-octave noise from 115 db to 97 db, an intensity reduction of 64 to 1.
keyword(s): Combustion , Combustion chambers , Noise (Sound) , Coal , Turbines , Combined heat and power , Fuel gasification , Deep ocean water , Vibration , Steam , Momentum , Design , Natural gas , Gaseous fuels , Fuels , Engines AND Sound ,
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URI
http://yetl.yabesh.ir/yetl1/handle/yetl/106941
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