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Search Publications by: William M. Pitts (Assoc)

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Displaying 201 - 225 of 257

Fire-Induced Mass Flow Into a Reduced-Scale Enclosure (NISTIR 5499)

September 1, 1994
Author(s)
Erik L. Johnsson, Nelson P. Bryner, William M. Pitts
Enclosure fires are of great interest because of the resulting loss of life and property, yet the fluid dynamic and chemical behaviors of fires within enclosures are still not well understood. In recent decades, it has become clear that burning rates, fire

Carbon Monoxide Formation in Fires by High-Temperature Anaerobic Wood Pyrolysis

July 31, 1994
Author(s)
William M. Pitts, Erik L. Johnsson, Nelson P. Bryner
Building fire fatalities often occur at locations remote from the room where the fire is actually burning. The majority of these fire deaths are the result of smoke inhalation, primarily due to exposure to carbon monoxide (CO). Although causing nearly 2500

Computer Simulation of the Liquid Agent Spray Motion and Evaporation

July 18, 1994
Author(s)
G. Gmurczyk, Leonard Y. Cooper, William L. Grosshandler, William M. Pitts
The discharge of a liquid fire extinguishing agent stored in a pressurized vessel through an orifice generates a freely moving spray outside the vessel. The flow has been modeled as a two-phase, three-component, turbulent, compressible, dissipative flow

Discharge Characteristics of Cryogenic Fluids From a Pressurized Vessel

July 18, 1994
Author(s)
Jiann C. Yang, William M. Pitts, B D. Breuel, G. Gmurczyk, William J. Rinkinen, W G. Cleveland
An experimental technique to study the rapid release of liquid cryogenic fluids from a pressurized vessel orientated downward is described. A rupture disc was used as the release mechanism. Experimental observations were made on the discharge

Executive Summary (NIST SP 861)

April 1, 1994
Author(s)
William L. Grosshandler, Richard G. Gann, William M. Pitts
Bromotrifluoromethane (halon 1301 or CF3Br) has been the fire-fighting agent of choice for decades to protect inaccessible spaces aboard aircraft in flight because of its inherent ability to inhibit combustion while possessing a high liquid density and

Fluid Dynamics of Agent Discharge (NIST SP 861)

April 1, 1994
Author(s)
William M. Pitts, Jiann C. Yang, G. Gmurczyk, Leonard Y. Cooper, William L. Grosshandler, W G. Cleveland, Cary Presser
The extinguishment of a fire using gaseous agents is a very complicated process which is not completely understood. Current fire-fighting agents such as halon 1301 and halon 1211 are believed to function by a combination of chemical (catalytic removal of

Introduction (NIST SP 861)

April 1, 1994
Author(s)
William L. Grosshandler, Richard G. Gann, William M. Pitts
The Montreal Protocol of 1987 identified halon 1301 (CF3Br) as one of a number of halogenated chemicals that were sufficiently deleterious to stratospheric ozone that their continued production and use required limitation. An amendment to the Protocol

Summary and Recommendations (NIST SP 861)

April 1, 1994
Author(s)
William L. Grosshandler, Richard G. Gann, William M. Pitts
The main objective of this research program was to provide guidance to the sponsors on which materials to evaluate in the full-scale fire suppression test plan at Wright-Patterson AFB. Specifically, the recommendations were to include the following: 1) The
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