Gas turbine jet exhaust noise prediction.
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Gas turbine jet exhaust noise prediction.

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Published by Society of Automotive Engineers in Warrendale, Penn .
Written in English


Book details:

Edition Notes

Issued 3-78, revised 11-85, superseding ARP 876B.

SeriesAerospeace recommended practice -- ARP 876C
ContributionsSociety of Automotive Engineers.
The Physical Object
Pagination1 v. ([99]p. in various pagings) :
Number of Pages99
ID Numbers
Open LibraryOL18975021M

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Gas turbine exhaust silencers are designed for reliable operation during the cyclic and sustained elevated temperatures experienced by gas turbine exhaust systems . 4. The turbine (and exhaust) section. The turbine section of the gas turbine engine has the task of producing usable output shaft power to drive the propeller. In addition, it must also provide power to drive the compressor and all engine accessories. It does this by expanding the high temperature, pressure, and velocity gas and converting the. May 14,  · By muffling the noise of gas-turbine engines, a new device may also make them safer. Sponge Soaks Up Jet Engine Noise. Noise can come from other parts of . Research project: Prediction of Aircraft Exhaust Noise Currently Active: Yes. Research is being undertaken to develop a robust and fast running program suite that .

Aug 19,  · Highlights of a hot topic hour webinar on gas turbine exhaust systems including dampers, silencers, catalysts and other components focused on unmet needs, issues and options. There is abundant evidence to show that the exhaust noise from gas turbines contains components which exceed the jet mixing noise at low jet velocities. This paper describes results of a theory developed to calculate the acoustic power produced by temperature fluctuations from Cited by: combustion process within a gas turbine engine. The engine may be either static or flying. This noise, referred to as combustor noise, ge nerally comprises two components: direct and indirect noise. The direct noise is the noise of combustion itsel f propagating out of . Exhaust gas or flue gas is emitted as a result of the combustion of fuels such as natural gas, gasoline, petrol, biodiesel blends, diesel fuel, fuel oil, or sinoppazari.coming to the type of engine, it is discharged into the atmosphere through an exhaust pipe, flue gas stack, or propelling sinoppazari.com often disperses downwind in a pattern called an exhaust plume.

Starik, A.M. () Gaseous and Part iculate Emissions with Jet Engine Exhaust and Atmospheric Pollution. In Advances on Propulsion Technology for High-Speed Aircraft (pp. – ). Within the jet engine, the exhaust jet noise is of such high level that the turbine and compressor noise is insignificant during most operating conditions. However, low landing-approach thrusts cause a drop in exhaust jet noise and an increase in low pressure compressor and . Single-Stream Jet Noise Prediction Using Empirical Methodology for a Newly Designed Turbojet Engine João Roberto Barbosa. combined with the effect of the engine rotational speeds on exhaust jet noise. It is shown that they are in agreement with the noise of similar operating conditions. Gas turbine, Gas turbine noise, Single-stream jet Author: João Roberto Barbosa, Daniel Jonas Dezan. During phase one, the goal was to measure the noise of a jet near a simple planar surface while varying the surface length and location in order to: (1) validate noise prediction schemes when the surface is acting only as a jet noise shield and when the jet/surface interaction is creating additional noise, and (2) determine regions of interest Cited by: 6.