NDLI: A High-Pressure Water Mist System: Clean Fire Protection for Gas Turbines

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Voutilainen, Heikki Rohrbacher, Herbert
Copyright Year	2005
Abstract	Modern high-pressure water mist systems are an advanced choice for rotating machinery fire protection. High-pressure water mist systems can provide: • Proven extinguishing efficiency, • Proven capability to protect equipment from thermal stresses, • Tolerance to poor enclosure integrity, • A safe and reliable alternative to gaseous systems, and • An environmentally friendly alternative to dry chemicals, halons and halon alternatives. Generally, the systems have total flooding design, which is the most appropriate for protecting rotating equipment in their purpose-built enclosures. Fine water mist with a specific application rate, droplet size distribution and high discharge momentum is used to fill the enclosure quickly and completely. For all fire protection systems, third party testing and appraisal is important. FM and VdS have approved gas turbine fire protection systems for enclosures up to 500m3, while systems for enclosures up to 3300 m3 are (2004) within approval process. This paper explains the water mist system basic terminology and fundamentals. The paper then discusses system design requirements and features. In the end, health and safety, as well as environmental aspects are reviewed.
Sponsorship	International Gas Turbine Institute
Starting Page	285
Ending Page	295
Page Count	11
File Format	PDF
ISBN	0791847276
DOI	10.1115/GT2005-68093
e-ISBN	0791837548
Volume Number	Volume 4: 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	Water Design High pressure (physics) Gas turbines Fire Drops Momentum Health and safety Floods Machinery Thermal stresses Testing
Content Type	Text
Resource Type	Article

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