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Search Publications

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Displaying 2851 - 2875 of 3913

On the Design of an Apparatus for Screening Liquid Fire Suppressants

June 29, 1999
Author(s)
Jiann C. Yang, Michelle K. Donnelly, N C. Prive, William L. Grosshandler
This paper discusses the design and use of an apparatus for evaluating the effectiveness of liquid fire suppression agents as possible replacements for halon 1301. The apparatus consists of a porous cylindrical burner located in the test section of a

Defining Flashover for Fire Hazard Calculations

June 1, 1999
Author(s)
Richard D. Peacock, Paul A. Reneke, Richard W. Bukowski, Vyto Babrauskas
As the use of performance-based methods for evaluating the fire behavior of materials and systems becomes more widespread, objective criteria to judge fire behavior become more important. This paper reviews techniques for predicting the most common of

Mean-Field-Scaling in Lattice Boltzmann Fluid Mixtures

June 1, 1999
Author(s)
Nicos Martys, Jack F. Douglas
Basic equilibrium properties of Lattice Boltzmann (LB) fluid mixtures (coexistence curve, surface tension, and interfacial profile) are calculated to characterize the critical phenomena occurring in these model liquids and to establish a reduced variable

Performance of Tape-Bonded Seams of EPDM Membranes: Resistance to Peel-Creep

June 1, 1999
Author(s)
Walter J. Rossiter Jr, M Vangel, K M. Kraft
This paper provides a summary of the major results of an industry-government consortium study on the creep resistance of tape-bonded seams of EPDM roof membranes. The study was undertaken to compare the creep-rupture performance of tape-bonded and liquid

Cyanate Ester Clay Nanocomposites: Synthesis and Flammability Studies

May 23, 1999
Author(s)
Jeffrey W. Gilman, Richard H. Harris Jr., Douglas Hunter
New goals outlined by the U. S. Federal Aviation Administration (FAA) Advanced Fire-Safe Aircraft Materials Research Program enumerate an order-of-magnitude improvement in aircraft cabin-material fire safety. In the pursuit of improved approaches to the

Bursting Bubbles From Combustion of Thermoplastic Materials in Microgravity

May 18, 1999
Author(s)
Kathryn M. Butler
Many thermoplastic materials in common use for a wide range of applications, including spacecraft, develop bubbles internally as they bum due to chemical reactions taking place within the bulk. These bubbles grow and migrate until they burst at the surface

Construction Metrology Beyond Earth: A White Paper

May 6, 1999
Author(s)
D T. Latimer
Construction metrology standardization research currently focuses on terrestial applications. For space based applications, there is the potential for great monetary and effort savings through the creation of open industry standards. Current technology for

Combustion of a Polymer (PMMA) Sphere in Microgravity (NISTIR 6331)

May 1, 1999
Author(s)
Jiann C. Yang, Anthony P. Hamins, Michelle K. Donnelly
A series of low gravity experiments were conducted to investigate the combustion of supported thermoplastic polymer spheres under varying ambient conditions. The three types of thermoplastic investigated were polymethylmethacrylate (PMMA), polypropylene

Evolution of Refrigerant Application

May 1, 1999
Author(s)
Piotr A. Domanski
The paper reviews the development of chlorofluorocarbon refrigerants, the implemented replacements of ozone-depleting fluids, other considered alternatives, and the prospect for next-generation refrigerants in response to climate change concerns

Modelling Service Life and Life-Cycle Cost of Steel-Reinforced Concrete

May 1, 1999
Author(s)
G J. Frohnsdorff
The NIST / ACI / ASTM Workshop on Modelling Service Life and Life-Cycle Cost of Steel-Reinforced Concrete was focused on possibilities for developing and standardizing such models, specifically for concrete exposed to chlorides. The report includes

Relating Thermoplastic Olefin (TPO) Microstructure to Paint Adhesion

May 1, 1999
Author(s)
Mark R. VanLandingham
Advances in the use of the atomic force microscope (AFM) to characterize polymeric materials have recently been made. Phase imaging with the AFM has emerged as a powerful technique, providing contrast enhancement of topographic features and, in some cases

Test Procedure Development for Residential Dishwashers

May 1, 1999
Author(s)
Natascha S. Milesi-Ferretti
It has been recognized that the current Department of Energy (DOE) dishwasher test procedure is inadequate in testing soil sensing dishwashers. As a result, DOE proposed that NIST evaluate the dishwasher test procedure as a part of their Appliance
Displaying 2851 - 2875 of 3913
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