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Author: william grosshandler
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Displaying records 61 to 70 of 97 records.
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61. Test Fire Signatures and the Fire-Emulator/Detector-Evaluation (NISTIR 6030)
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 6030
Published: 6/1/1997
Authors: William L. Grosshandler, Thomas George Cleary
Abstract: Existing methods for evaluating the performance of smoke and thermal detectors are reviewed. The levels of combustion gases, smoke, temperature and velocity likely to be produced in the European standard detector test fires are discussed, and this i ...

62. Facility for Calibrating Heat Flu Sensors in a Convective Environment
Series: OTHER
Published: 1/1/1997
Authors: David G Holmberg, Kenneth David Steckler, C A. Womeldorf, William L. Grosshandler
Abstract: The National Institute of Standards and Technology (NIST) presently conducts heat flux sensor calibrations using standard radiation methods. In practice, however, many heat flux sensors are used in test environments where convective heat transfer dom ...

63. Simple Piezoelectric Droplet Generator
Published: 1/1/1997
Authors: Jiann C Yang, W. S. Chien, M D King, William L. Grosshandler
Abstract: A design for a piezoelectric on-demand droplet generator is presented. Its simple construction and ease of operation distinguish this generator from other previously reported. The droplet generator has been successfully used to produce droplets of aq ...

64. Aerosol and SPGG Technology Fire Suppression Screening Methods (NISTIR 5904)
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 5904
Published: 10/28/1996
Authors: William L. Grosshandler, Jiann C Yang, Thomas George Cleary
Abstract: The search for alternatives to halons for fire suppression applications has identified not only new compounds which have physical properties similar to the bromochlorofluorocarbon family, but also inert gaseous agents that are released from a solid s ...

65. Heat Flux Calibration Flow and Conduction Facilities: Status Report
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 5904
Published: 10/28/1996
Authors: Kenneth David Steckler, William L. Grosshandler
Abstract: Standard methods exist at NIST for calibrating thermal radiation detectors up to 10 kW/m2 using blackbody caviies, and up to 40kW/m2 using a monochromatic laser source. Heat Flux transducers, however, are often used under conditions where convection ...

66. Evaporation of a Small Aqueous Suppressing Agent Droplet (NISTIR 5904)
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 5904
Published: 10/1/1996
Authors: W. S. Chien, Jiann C Yang, M D King, William L. Grosshandler
Abstract: Due to its ozone-depleting potential, halon 1301 (CF3Br) has been banned from production under the Montreal Protocol. The research for halon replacement(s) has led to the reconsideration of using water in certain applications. However, under cold sto ...

67. Minimum Mass Flux Requirements to Suppress Burning Surfaces With Water Sprays (NISTIR 5795)
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 5795
Published: 4/1/1996
Authors: Jiann C Yang, C I Boyer, William L. Grosshandler
Abstract: Experimental measurements of extinguishment times of burning solid fuels using water were conducted using a prototype micronozzle array and a piezoelectric droplet generator. Solid fuels considered included solid white pine, polymethylmethacrylate, a ...

68. Signatures of Smoldering/Pyrolyzing Fires for Multi-Element Detector Evaluation
Published: 3/26/1996
Authors: Thomas George Cleary, William L. Grosshandler, Marc R. Nyden, William J. Rinkinen
Abstract: Levels of CO, CO2, H2O, hydrocarbons, smoke, temperature and velocity produced in the plumes of smoldering/pyrolyzing wood and smoldering cotton fires are reported, following test protocols described for evaluating automatic fire detection systems. ...

69. Rapid Discharge of a Fire Suppressing Agent
Published: 1/1/1996
Authors: Jiann C Yang, William M Pitts, B D Breuel, William L. Grosshandler, W G Cleveland
Abstract: This paper describes an experimental method to study the rapid discharge of a fire suppressant (C3F8) from a pressurized vessel. Experimental observations inside and at the exit of the vessel were made using high-speed photography. Boiling was not ob ...

70. Optimization of System Discharge (NIST SP 890)
Series: Special Publication (NIST SP)
Report Number: 890
Published: 11/1/1995
Authors: Jiann C Yang, Thomas George Cleary, I Vazquez, C I Boyer, M D King, B D Breuel, C A. Womeldorf, William L. Grosshandler, Marcia L Huber, L Weber, G. Gmurczyk
Abstract: Current aircraft fire suppression bottles for dry bay and engine nacelle applications, which are designed to meet Military Specification MIL-C-22284A (proof pressure of 9.62 MPa and minimum burst pressure of 12.37 MPa), are normally filled with liqui ...

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