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Displaying 7751 - 7775 of 9859

Experimental Investigation of Firebrands: Generation and Ignition of Fuel Beds

April 1, 2008
Author(s)
Samuel L. Manzello, Thomas G. Cleary, John R. Shields, Alexander Maranghides, William E. Mell, Jiann C. Yang
A series of real scale fire experiments were performed to determine the size and mass distribution of firebrands generated from Douglas Fir (Pseudotsuga menziesii) trees. The results of the real scale fire experiments were used to determine firebrand sizes

Application of an Evolution Program for Refirgerant Circuitry Optimization.

December 7, 2007
Author(s)
Piotr A. Domanski, David A. Yashar
Increased concerns about climate change have emphasized the importance of air-conditioning and refrigeration systems with a high coefficient of performance (COP). The effectiveness of heat exchangers significantly influences the vapor-compression system's

NIST Multizone Modeling Website

April 2, 2001
Author(s)
William S. Dols
This report presents an overview of the NIST Multizone Modeling Website developed by the Building and Fire Research Laboratory of the National Institute of Standards and Technology (NIST). Multizone modeling refers to the calculation of airflows, pressure

Sprinkler, Smoke and Heat Vent, Draft Curtain Interaction: Large Scale Experiments and Model Development. International Fire Sprinkler-Smoke and Heat Vent-Draft Curtain Fire Test Project (NISTIR 6196-1)

September 1, 1998
Author(s)
Kevin B. McGrattan, Anthony P. Hamins, D W. Stroup
The International Sprinkler, Smoke and Heat Vent, Draft Curtain Fire Test Project organized by the National Fire Protection Research Coundation (NFPRF) has brought together a group of industrial sponsors to study the interaction of sprinklers with roof

Inserting line segments into triangulations and tetrahedralizations

March 1, 1995
Author(s)
Javier Bernal
In this paper, we further develop an algorithm by Bernal, De Floriani, and Puppo, for inserting a line segment into a Constrained Delaunay triangulation. The new version of the algorithm inserts the line segment in exactly the same manner in which the old

Experiences with a Manufacturing Framework

January 1, 1995
Author(s)
Selden Stewart, James A. St Pierre
This paper describes the first year of a joint project between the National Institute of Standards and Technology (NIST) and SEMATECH. After studying the SEMATECH CIM Framework, we present a roadmap for adoption and use of manufacturing frameworks with

Combined Buoyancy- and Pressure-Driven Flow Through a Horizontal Vent.

April 1, 1994
Author(s)
Leonard Y. Cooper
Combined buoyancy- and pressure-driven (i.e., forced) flow through a horizontal vent is considered where the vent-connected spaces near the elevation of the vent are filled with fluids of different density in an unstable configuration, with the density of

Executive Guide to ADP Contingency Planning

January 1, 1982
Author(s)
James K. Shaw, Stuart W. Katzke
This document provides, in the form of questions and answers, the background and basic essential information required to understand the developmental process for Automatic Data Processing (ADP) contingency plans. The primary intended audience consists of

Investigating Multi-Tier and QoS-Aware Caching Based on ARC

October 16, 2023
Author(s)
Lydia Ait Oucheggou, Abdella Battou, Jalil Boukhobza, Stephane Rubini
Memory caching is a common practice to reduce application latencies by buffering relevant data in high speed memory. When the volume of data to cache is too large or a DRAM-based solution too expensive, several technologies such as NVM or high speed SSDs

Validating Portability of Step-NC Tool Center Programming

June 26, 2006
Author(s)
Sid Venkatesh, David Odendahl, Xun W. Xu, John L. Michaloski, Frederick M. Proctor, Thomas Kramer
A joint effort between Boeing and the National Institute of Standards and Technology (NIST) was undertaken for validating and evaluating STEP AP238 (STEP-NC) Conformance Class 1 (CC1) for 5-axis machining. STEP-NC is a new manufacturing standard to support

On Digital Signal Processing of Time Series for Spectrum Estimation

September 11, 2024
Author(s)
Dazhen Gu, Jake Rezac, Xifeng Lu, Dan Kuester
We present a study of power spectral density (PSD) estimation from data sampled in the time domain. This work was motivated by our recent development of digital radiometry, where radiation spectra were obtained by processing the digitally sampled signal

Backdraft Experiments and Large Eddy Simulations in a scaled compartment

December 13, 2023
Author(s)
Marcos Vanella, Ryan Falkenstein-Smith, Thomas Cleary
An extensive set of backdraft experiments has been performed at the NIST National Fire Research Laboratory. These experiments were conducted in a reduced scale compartment, and are part of defining the conditions conducive to backdraft. Further, the

Erratum: Collisions of room temperature helium with ultra-cold lithium and the van-der-Waals bound state of HeLi [Phys. Rev. A 101, 012702 (2020)]

February 28, 2022
Author(s)
Constantinos Makrides, Daniel Barker, James A. Fedchak, Julia Scherschligt, Stephen Eckel, Eite Tiesinga
We have found an error in the computation of the thermally-averaged total elastic rate coefficient for the collision of a room-temperature helium atom with an ultra-cold lithium atom presented. We omitted the factor $2/\sqrt\pi}$ in the normalization over
Displaying 7751 - 7775 of 9859
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