NDLI: A New Gas Turbine Enclosure Ventilation Design Criterion

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Roger, C. Santon Matthew, J. Ivings David, K. Pritchard
Copyright Year	2005
Abstract	Dilution ventilation is a widely used means of protection against the risk of explosion within gas turbine acoustic enclosures arising from the leakage and accumulation of flammable gas and its ignition from the turbine. In ASME 98GT-215 a safety criterion was proposed for the design of ventilation by defining the allowable size of flammable gas cloud as a proportion of the enclosure volume. This criterion was theoretically based, with a significant safety factor. Whilst generally viable, it was found to be difficult to achieve in some cases. A research project, described in ASME GT-2002-30469, was launched to define a criterion more accurately and with known conservatism based on a detailed programme of experimental explosions and Computational Fluid Dynamics (CFD) modelling. The $600k project was largely financed by the gas turbine industry, including suppliers and users, and by CFD contractors. The paper describes the project aims, its scope of work, and includes the main results, the new criterion and conclusions.
Sponsorship	International Gas Turbine Institute
Starting Page	445
Ending Page	452
Page Count	8
File Format	PDF
ISBN	0791847284
DOI	10.1115/GT2005-68725
e-ISBN	0791837548
Volume Number	Volume 5: Turbo Expo 2005
Conference Proceedings	ASME Turbo Expo 2005: Power for Land, Sea, and Air
Language	English
Publisher Date	2005-06-06
Publisher Place	Reno, Nevada, USA
Access Restriction	Subscribed
Subject Keyword	Risk reduction Explosion Gas turbine enclosure Dilution ventilation Computational fluid dynamics (cfd) Design Ventilation Explosions Gas turbines Computational fluid dynamics
Content Type	Text
Resource Type	Article

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