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You searched on: Author: erik johnsson

Displaying records 41 to 50 of 53 records.
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41. Estimates of the Uncertainty of Radiative Heat Flux Caclulated From Total Heat Flux Measurements
Published: 9/1/2001
Authors: Rodney A Bryant, Erik L Johnsson, Thomas J. Ohlemiller, C A. Womeldorf
Abstract: As part of an effort to characterize the uncertainties associated with heat flux measurements in a fire environment, an uncertainty analysis example was performed using measurement data from a room corner surface products test that followed the guide ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=861079

42. Performance of a Fast Response Agent Concentration Meter
Series: OTHER
Published: 5/2/2000
Authors: Erik L Johnsson, George William Mulholland, Gerald T Fraser, A Zuban, I I Leonov
Abstract: There is a need for monitoring the concentration of potential halon replacement chemicals with millisecond response time [I]. One scenario of great concern to the Air Force is the penetration of an enemy shell into the fuel tank of an aircraft. To ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909955

43. Temperature Uncertainties for Bare-Bead and Aspirated Thermocouple Measurements in Fire Environments
Published: 3/14/1999
Authors: William M Pitts, E Braun, Richard D Peacock, Henri E. Mitler, Erik L Johnsson, Paul A Reneke, L G. Blevins
Abstract: Gas-phase temperature is the most ubiquitous measurement recorded in fire environments and plays a central role in understanding of fire behavior. Generally, either bare-bead or sheathed thermcouples are employed. While it is recognized that such the ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911791

44. Temperature Uncertainties for Bare-Bead and Aspirated Thermocouple Measurements in Fire Environments (NISTIR 6242)
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 6242
Published: 10/1/1998
Authors: William M Pitts, E Braun, Richard D Peacock, Henri E. Mitler, Erik L Johnsson, Paul A Reneke, L G. Blevins
Abstract: Gas-phase temperature is the most ubiquitous measurement recorded in fire environments and plays a central role in understanding of fire behavior. Generally, either bare-bead or sheathed thermcouples are employed. While it is recognized that such the ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911792

45. Real-Time Suppressant Concentration Measurement (NIST SP 890)
Series: Special Publication (NIST SP)
Report Number: 890
Published: 11/1/1995
Authors: William M Pitts, George William Mulholland, B D Breuel, Erik L Johnsson, S Chung, Richard H. Harris Jr., D E Hess
Abstract: The development and testing of two approaches for recording real-time measurements (millisecond time resolution) of concentration for halon alternatives are summarized. Discussions of the background necessary to understand their operation is included ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911760

46. Scaling Compartment Fires - Reduced- and Full-Scale Enclosure Burns.
Published: 9/10/1995
Authors: Nelson P Bryner, Erik L Johnsson, William M Pitts
Abstract: An extensive series of over 140 natural gas fires in a 2/5ths-scale model of a standard room has been previously reported. This work extends the earlier reduced-scale enclosure (RSE) study to a full-scale enclosure (FSE) and focuses on comparing the ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910978

47. Combustion Product Formation in Under and Overventilated Full-Scale Enclosure Fires
Published: 4/23/1995
Authors: William M Pitts, Nelson P Bryner, Erik L Johnsson
Abstract: The findings of an extensive series of over 140 natural gas fires in a 2/5ths-scale model of a standard room have been previously reported. The current work extends the earlier reduced-scale enclosure (RSE) study to a full-scale enclosure (FSE) and f ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910892

48. Carbon Monoxide Production in Compartment Fires: Reduced-Scale Enclosure Test Facility (NISTIR 5568)
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 5568
Published: 12/1/1994
Authors: Nelson P Bryner, Erik L Johnsson, William M Pitts
Abstract: The formation of carbon monoxide during room or compartment fires has been investigated using natural gas fires burning within a reduced-scale enclosure (RSE), an 0.98 m x 0.98 m x 1.46 m (w x h x d) room with a single door opening centered in the fr ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910845

49. Carbon Monoxide Production in Compartment Fires: Full-Scale Enclosure Burns (NISTIR 5499)
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 5499
Published: 9/1/1994
Authors: Nelson P Bryner, Erik L Johnsson, William M Pitts
Abstract: Recent studies attribute a large percentage of fire injuries and deaths to the generation of carbon monoxide (CO) and indicate that in roughly two-thirds of the fire deaths the fire victims have fatal or incapacitating levels of carboxyhemoglobin in ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910844

50. Fire-Induced Mass Flow Into a Reduced-Scale Enclosure (NISTIR 5499)
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 5499
Published: 9/1/1994
Authors: Erik L Johnsson, Nelson P Bryner, William M Pitts
Abstract: 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 ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910896



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