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Displaying 251 - 275 of 1947

Simulation of the Dynamics of a Wind-Driven Fire in a Ranch-Style House - Texas

January 5, 2012
Author(s)
Adam M. Barowy, Daniel M. Madrzykowski
This report describes the results of calculations using the NIST Fire Dynamics Simulator (FDS) performed to provide insight on the thermal conditions that may have occurred during a wind-driven fire in a one-story ranch house on April 12, 2009 in Houston

Recent Developments in Millimeter and Submillimeter Metrology at NIST

June 30, 2011
Author(s)
Ronald A. Ginley
The millimeter and submillimeter frequency ranges are becoming very important to today’s electronics, security and communication industries. NIST has undertaken a research program to aggressively pursue this area. This paper will cover the millimeter

PSCR 2020_Mission Critical Voice QoE Measurement Methods

October 29, 2020
Author(s)
Silas T. Thompson
This presentation covers the latest update on PSCR’s measurement methods for Mission Critical Voice (MCV) Quality of Experience (QoE) Key Performance Indicators (KPI). The importance of Intelligibility and how it is used in the measurement strategy is

Practical Combinatorial Testing: Beyond Pairwise

June 1, 2008
Author(s)
David R. Kuhn, Yu Lei, Raghu N. Kacker
With new algorithms and tools, developers can apply high-strength combinatorial testing to detect elusive failures that occur only when multiple components interact. In pairwise testing, all possible pairs of parameter values are covered by at least one

REFLEAK: NIST Leak/Recharge Simulation Model for Refrigerant Blends

May 8, 2020
Author(s)
J S. Brown, Piotr A. Domanski, Riccardo Brignoli, Young J. Yoon
REFLEAK simulates leak and recharge processes for refrigerant zeotropic blends. This Windows- based simulation model provides an easy-to-use package that allows estimation of composition changes of zeotropic blends in leak and recharge processes for either

Giant Negative Thermal Expansion in Bonded MnCoGe-Based Compounds with Ni 2 In-Type Hexagonal Structure

February 11, 2015
Author(s)
Ying-Ying Zhao, Feng-Xia Hu, Li-Fu Bao, Jing Wang, Hui Wu, Qingzhen Huang, Rong-Rong Wu, Yao Liu, Fei-Ran Shen, Hao Kuang, Ming Zhang, Wen-Liang Zuo, Xin-Qi Zheng, Ji-Rong Sun, Bao-Gen Shen
… linear NTE coefficient but also the operation-temperature window) has been achieved. For example, the linear NTE … as high as 51.5x10 -6 K -1 with an operating temperature window as wide as 210K from 120 to 330K have been observed in …

Combinatorial Testing

June 25, 2012
Author(s)
David R. Kuhn, Raghu N. Kacker, Yu Lei
Combinatorial testing is a method that can reduce cost and improve test effectiveness significantly for many applications. The key insight underlying this form of testing is that not every parameter contributes to every failure, and empirical data suggest

A Unique Institution: The History of NBS, 1950-1969

June 30, 1999
Author(s)
E Passaglia, K A. Beal
A follow-on to Measures for Progress by Rexmond C. Cochrane, this work covers the history of the National Bureau of Standards (NBS) from 1950-1969. While the book focuses on technical work, the management and administration of the Bureau are also discussed

A Multi-Sample Melt Micro-Rheometer

October 16, 2008
Author(s)
Anthony J. Bur, Kalman Migler
… video camera that views the flow front through a sapphire window. The design contains no moving parts and no gaskets or …

CYCLE_D: NIST Vapor Compression Cycle Design Program Version 3.0 Users' Guide.

December 1, 2003
Author(s)
Piotr A. Domanski, David Didion, J Chi
The CYCLE_D package simulates the vapor compression refrigeration cycles that use pure refrigerants or mixtures of refrigerants. The model can simulate a basic refrigeration cycle as well as a cycle with a liquidline/suction-line heat exchanger. CYCLE_D
Displaying 251 - 275 of 1947
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