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Displaying 3351 - 3375 of 3873

Technical Reference Guide for FAST Version 18. Final Report (NIST TN 1216)

May 1, 1989
Author(s)
Walter W. Jones, Richard D. Peacock
FAST (fire and smoke transport) is a zone model capable of predicting the environment in a multi- compartment structure subjected to a fire. This reference guide provides a detailed description of the source terms used in the model, data input requirements

Rating of Mixed Split Residential Air Conditioners

September 13, 1988
Author(s)
Piotr A. Domanski
A methodology is presented for rating the performance of mixed, split residential air conditioners. The method accounts for the impact on system performance of the indoor evaporator, expansion device and fan; three major components that are likely to be

Fire Hazard Comparison of Fire-Retarded and Non-Fire-Retarded Products (NBS SP 749)

July 1, 1988
Author(s)
Vyto Babrauskas, Richard H. Harris Jr., Richard Gann, Barbara C. Levin, B T. Lee, Richard Peacock, M Paabo, W H. Twilley, M F. Yoklavich, H M. Clark
A test program was conducted for the Fire Retardant Chemicals Association to quantify the effects of fire retardant chemicals on total fire hazard. Five different types of products, each made from a different type of plastic were used. The products were

Search for Alternative Refrigerants: A Molecular Approach

July 1, 1988
Author(s)
Mark O. McLinden, David Didion
The impending production limitation on the fully halogenated CFC refrigerants is causing an intense search for possible substitutes. This study reviews the historical development of the CFC refrigerants and the relationship between molecular structure and

Measurement of the Heat Capacities of Pure and Mixed Refrigerants

June 20, 1988
Author(s)
R Radermacher
A flow calorimeter was designed and built to measure the heat capacity of pure and mixed halogenated hydrocarbons in the liquid phase. The calorimeter is an electrically heated, coiled tube located inside a vacuum chamber in the water bath. The liquid

Analysis of the Influence of Piston Effect on Elevator Smoke Control

April 1, 1988
Author(s)
J H. Klote
This paper is part of a joint project between the United States and Canada to evaluate the feasibility of using elevators for the evacuation of the handicapped during a fire. The transient pressures produced when an elevator car move in a shaft are a

Experimental Evaluation of Two Refrigerant Mixtures in a Breadboard Air Conditioner

April 1, 1988
Author(s)
W. J. Mulroy, M Kauffeld, Mark O. McLinden, David Didion
An experimental, water-to-water, breadboard heat pump (that is one designed to be easily reconfigured) was constructed for comparison of pure R22 to the refrigerant mixtures R22/R114 and R13/R12. three evaporator configurations were extensively studied. In

Are Ions Important in Soot Formation?

January 1, 1988
Author(s)
H. F. Calcote, D B. Olson, D. G. Keil
Many chemical mechanisms have been proposed for the formation of incipient soot in flames. The ionic mechanism has not been widely embraced; it is considered a competitor to free radical mechanisms which have received more attention. It seems timely to

Wood Heating Safety Research: An Update

November 1, 1987
Author(s)
Richard D. Peacock
The Center for Fire Research at the National Bureau of Standards has been involved in research related to wood heating safety for more than seven years. Areas of interest have included: typical operating conditions of modern heating appliances, intensity

Vapor Compression Heat Pump Cycle With Desorber/Absorber Heat Exchange

August 1, 1987
Author(s)
R Radermacher
In this paper, a special version of a vapor compression heat pump cycle with solution circuit is introduced. In this cycle, the gliding temperature intervals are deliberately chosen so large, that the highest temperature in the desorber (evaporator) is

Thermal Performance of Masonry Chimneys and Fireplaces (NBSIR 87-3515)

April 1, 1987
Author(s)
Richard D. Peacock
A series of tests was conducted in a masonry chimney and a masonry fireplace both constructed to current national standards in order to evaluate the effectiveness of recent changes to the building code requirements for residential masonry construction.

Exergy Analysis of Heat Pumps

January 1, 1987
Author(s)
T. L. Tsaros, R. A. Gaggioli, Piotr A. Domanski
The HPSIM computer program for modeling heat pumps (Domanski and Didion 1983) has been augmented to include exergy analysis. Exergy transports between the components, to the loads, and to the environment are evaluated. The exergy consumptions in each
Displaying 3351 - 3375 of 3873
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