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You searched on: Author: jiann yang

Displaying records 121 to 130 of 132 records.
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121. 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 ...

122. 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, ...

123. 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 ...

124. 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 ...

125. 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. ...

126. 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 ...

127. Solubilities of Nitrogen and Freon-23 in Alternative Halon Replacement Agents
Published: 5/11/1993
Authors: Jiann C Yang, B D Breuel, William L Grosshandler
Abstract: As part of the USAF-sponsored halon replacement project, solubility measurements of nitrogen and Freon-23 in eleven potential halon replacement agents and evaluations of the thermodynamic properties of the agents are currently being conducted at NIST ...

128. Heterogeneous Combustion
Published: 1/1/1993
Author: Jiann C Yang
Abstract: The term "heterogeneous" in this chapter is used loosely to refer to systems in which there are two phases. Under this classification, the subject of heterogeneous combustion is so broad that it is impossible to cover every aspect of it in this chapt ...

129. Detailed Chemical-Kinetic Modeling of Thermal-Agent Diluted Methane and Propane Flames Near Extinguishment
Published: Date unknown
Authors: William M Pitts, Jiann C Yang, Rodney A Bryant, L G. Blevins, Marcia L Huber
Abstract: The use of halons for fire fighting is being phased out due to their deleterious effects on stratospheric ozone. This paper describes the findings of part of a study designed to characterize and identify super-effective thermal fire-fighting agents ...

130. Detection of Smoke From Microgravity Fires
Published: Date unknown
Authors: D L Urban, DeVon Griffin, Gary Ruff, Thomas George Cleary, Jiann C Yang, George William Mulholland, Zeng-guang Yuan
Abstract: The history and current status of spacecraft smoke detection is discussed including a review of the state of understanding of the effect of gravity on the resultant smoke particle size. The results from a spacecraft experiment (Comparative Soot Diagn ...

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