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Search Publications by: Cary Presser (Assoc)

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Displaying 51 - 75 of 137

A Droplet Impact Model for Agent Transport in Engine Nacelles

May 1, 2002
Author(s)
P E. DesJardin, Cary Presser, P J. Disimile, J R. Tucker
The overall objective of this research is to gain fundamental knowledge of fire-suppression agent transport in the cluttered environments of aircraft engine nacelles (i.e., hydraulic and electrical lines, mounting brackets, etc.). A new generation of Halon

Liquid Agent Transport Around Solid Obstacles

May 1, 2002
Author(s)
Cary Presser, J F. Widmann, G Papadopoulos
The focus of this effort is to investigate the dispersal of liquid fire suppression agents around solid obstacles, and obtain a better understanding of the physical processes of droplet transport in cluttered spaces. An experimental investigation is

Measuring Droplet Arrival Times Using Phase Doppler Interferometry

February 1, 2002
Author(s)
J F. Widmann, Cary Presser
The difficulty of accurately measuring droplet arrival time statistics is demonstrated using phase Doppler interferometry (PDI) measurements obtained in water sprays produced by pressure-swirl atomizers. It is shown that Doppler burst splitting, in which

LIQUID AGENT TRANSPORT AROUND SOLID OBSTACLES

January 1, 2002
Author(s)
Cary Presser, J F. Widmann, G Papadopoulos
The focus of this effort is to investigate the dispersal of liquid fire suppression agents around solid obstacles, and obtain a better understanding of the physical processes of droplet transport in cluttered spaces. An experimental investigation is

CFD Modeling and Comparison with Data for the NIST Reference Spray Combustor

November 1, 2001
Author(s)
D S. Crocker, J F. Widmann, Cary Presser
Validation of computational fluid dynamics (CFD) predictions for spray combustion application has been a challenging task due to difficulties in both modeling and experimental measurements. However, validation is considered to be an essential exercise for

Transient Application, Recirculating Pool Fire, Agent Effectiveness Screen. Final Report.

June 1, 2001
Author(s)
William L. Grosshandler, Anthony P. Hamins, Jiann C. Yang, Kevin B. McGrattan, Cary Presser
A three-year research effort has been conducted as part of the Next Generation Program (NGP) to develop a laboratory screening device suitable for predicting the behavior of halon alternatives in full-scale fire suppression experiments. Most of the work

Transient Application Recirculating Pool Fire, Agent Effectiveness Screen: Final Report

April 24, 2001
Author(s)
William L. Grosshandler, Anthony P. Hamins, Jiann C. Yang, Kevin B. McGrattan, Cary Presser
A three-year research effort has been conducted as part of the Next Generation Program (NGP) to develop a laboratory screening device suitable for predicting the behavior of halon alternatives in full-scale fire suppression experiments. Most of the work

Metrology for Non-Contact Rainbow Thermometry

March 1, 2001
Author(s)
Cary Presser
NIST recently acquired a commercially available, state-of-the-art droplet diagnostic system that determines the size, velocity, and temperature of in-flight individual droplets. This non-contact diagnostic will be used to determine droplet characteristics