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You searched on: Author: jiann yang

Displaying records 121 to 130 of 136 records.
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121. Pipe Flow Characteristics of Alternative Agent/Nitrogen Mixtures (NISTIR 5499)
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 5499
Published: 9/1/1994
Authors: Thomas George Cleary, M D King, Jiann C Yang, William L Grosshandler
Abstract: The evaluation of alternative agents for application in engine nacelle fire protection includes delivery efficiency of agent from a remote storge bottle through piping to the nacelle injection loacation. Present military requirements for halon system ...

122. Discharge Characteristics of Cryogenic Fluids From a Pressurized Vessel
Published: 7/18/1994
Authors: Jiann C Yang, William M Pitts, B D Breuel, G. Gmurczyk, William J. Rinkinen, W G Cleveland
Abstract: 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 charact ...

123. Fluid Dynamics of Agent Discharge (NIST SP 861)
Series: Special Publication (NIST SP)
Report Number: 861
Published: 4/1/1994
Authors: William M Pitts, Jiann C Yang, G. Gmurczyk, Leonard Y. Cooper, William L Grosshandler, W G Cleveland, Cary Presser
Abstract: 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 remova ...

124. Thermodynamic Properties of Alternative Agents (NIST SP 861)
Series: Special Publication (NIST SP)
Report Number: 861
Published: 4/1/1994
Authors: Jiann C Yang, B D Breuel
Abstract: Depending upon their applications, current halon 1301 (CF3Br) bottles are normally filled to about half of the bottle volume, and the bottle is then pressurized with nitrogen to 4.1 MPa (600 psig) at room temperature. The purpose of using the pressur ...

125. Estimate of the Effect of Scale on Radiative Heat Loss Fraction and Combustion Efficiency. Short Communication
Published: 1/1/1994
Authors: Jiann C Yang, Anthony P Hamins, Takashi Kashiwagi
Abstract: The effect of the fire size on radiative heat loss fraction and combustion efficiency was examined by an analysis of scale for pool flames with varying diameter (D). Correlations between D and radiative heat loss fraction or combustion efficiency wer ...

126. Flow of Alternative Agents in Piping
Published: 1/1/1994
Authors: Thomas George Cleary, William L Grosshandler, Jiann C Yang
Abstract: As part of the USAF, Army, Navy and FAA sponsored halon replacement project, the pipe flow characteristics of selected alternative agents for engine nacelle tire protection are being studied. Due to the remote location of the agent storage bottle, ...

127. Mixing and Evaporation of Potential Halon 1301 Replacement Agents Following Release from Pressurized Bottles
Series: OTHER
Published: 1/1/1994
Authors: William M Pitts, Jiann C Yang, B D Breuel
Abstract: The mixing and evaporation behavior of releases of potential halonreplacements for fire suppression have been investigated as part of a USAFadministered Halon Replacement Project. Ten agents have been considered: FC-31-10, FC-318, HCFC-124, HFC-22 ...

128. Simulation of Dry Bay Discharge of Alternative Agents
Series: OTHER
Published: 1/1/1994
Authors: Jiann C Yang, Thomas George Cleary, William L Grosshandler
Abstract: As a continuation of the USAF/Navy/Amy/FAA sponsored halon replacement project, the discharge characteristics of the three selected akernative agents (CFJ, FC-218. and HFC- 125) for dry bay applications will be further evaluated. Halon 1301 will al ...

129. Agent Screening for Halon 1301 Aviation Replacement
Published: 10/20/1993
Authors: William L Grosshandler, Richard George Gann, Anthony P Hamins, Marc R. Nyden, William M Pitts, Jiann C Yang, Michael Russel Zachariah
Abstract: A comprehensive experimental program is described in which eleven gaseous agents and sodium bicarbonate powder have been screened, so that the best three candidates for subsequent full-scale aircraft fire extinguishment evaluation can be identified. ...

130. Dynamics of the Release of Alternate Halon Replacement Agents From Pressurized Bottles
Published: 5/11/1993
Authors: William M Pitts, Jiann C Yang, B D Breuel, W G Cleveland, G. Gmurczyk
Abstract: Halon 1301 has been widely employed on military and commercial aircraft for fire fighting purposes. Unfortunately, due to the deleterious effects of chlorine and bromine on stratospheric ozone, the manufacture of halon 1301 will be phased out by the ...

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  • SP 250-XX: Calibration Services
  • SP 260-XX: Standard Reference Materials
  • SP 300-XX: Precision Measurement and Calibration
  • SP 400-XX: Semiconductor Measurement Technology
  • SP 480-XX: Law Enforcement Technology
  • SP 500-XX: Computer Systems Technology
  • SP 700-XX: Industrial Measurement Series
  • SP 800-XX: Computer Security Series
  • SP 823-XX: Integrated Services Digital Network Series