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Displaying 726 - 750 of 3887

Dissecting Interactions Among Indoor Environmental Quality Factors

November 8, 2013
Author(s)
Hal Levin, Steven Emmerich
Many aspects of indoor environmental quality (IEQ) and the technologies that control or otherwise affect it are interactive and often closely connected. This has important implications for the design and construction of buildings as well as for operation

Fire Dynamics Simulator, Technical Reference Guide, Sixth Edition

November 4, 2013
Author(s)
Kevin B. McGrattan, Randall J. McDermott, Craig G. Weinschenk, Glenn P. Forney
This document provides the theoretical basis for the Fire Dynamics Simulator (FDS), following the general framework set forth in the “Standard Guide for Evaluating the Predictive Capability of Deterministic Fire Models,” ASTM E 1355. It is a four volume

Delay Behavior of On-Off Scheduling: Extending Idle Periods

November 1, 2013
Author(s)
Allen L. Roginsky, Ken Christensen, Mehrgan Mostowfi
On-off scheduling of systems that have the ability to sleep can be used to extend system idle periods and enable greater opportunities for energy savings from sleeping. In this paper, we achieve a theoretical understanding of the delay behavior of on-off

Stair evacuation of older adults and people with mobility impairments

October 31, 2013
Author(s)
Erica D. Kuligowski, Richard D. Peacock, Emily Wiess, Bryan Hoskins
Engineers analyze occupant movement data for the safety and protection of a population during emergency building evacuations. Quantifiable variables, such as: stairwell geometry, pre-evacuation delay, occupant speed, and population density form engineering

Evaluating Fire Blocking Performance of Barrier Fabrics

October 15, 2013
Author(s)
Shonali Nazare, William M. Pitts, Shaun M. Flynn, John R. Shields, Rick D. Davis
The purpose of fire blocking barrier materials is to reduce the flammability of soft furnishings ( mattresses and upholstered furniture) by preventing or delaying direct flame impingement from open flames and/or heat transfer from smoldering ignition

Exploratory Study of Airflow from SCBA Exposed to Elevated Temperatures

September 18, 2013
Author(s)
Michelle K. Donnelly, Daniel M. Madrzykowski, Anthony D. Putorti Jr.
This exploratory set of experiments investigated the impact of external exposure temperatures on Self Contained Breathing Apparatus (SCBA) supply air, and the potential for the supply air to be heated when it is subjected to an elevated temperature

Real-Time Monitoring: Augmenting Building Information Modeling with 3D Imaging Data to Control Drilling for Embeds into Reinforced Concrete Bridge Decks

September 16, 2013
Author(s)
Manu Akula, Robert R. Lipman, Marek Franaszek, Geraldine Cheok, Kamel Saidi, Vineet Kamat
A major contributing factor attributed to accidents in construction is the lack of hazard recognition due to limited visibility that characterizes construction projects. Real-time monitoring systems that utilize context aware computing techniques

Correlating Photovoltaic Clear-Sky and Actual Output to Sky Cover Measurements

September 1, 2013
Author(s)
David R. Daily, David Holmberg, John Baras
As distributed energy resources are added to existing building systems, and variable priced electricity tariffs are introduced, facility owners may profit from understanding the expected performance of their building systems. Hourly, forecast energy

Lateral torsional buckling of steel W-beams subjected to localized fires

September 1, 2013
Author(s)
Chao Zhang, John L. Gross, Therese McAllister
Current design approaches to assess the lateral torsional buckling capacity of steel beams in fire are based on the assumption of uniform steel temperature. This paper investigates the effect of temperature gradients on the lateral torsional buckling

POST-COLLISION VEHICLE FIRE SUPPRESSION RESEARCH NEEDS

September 1, 2013
Author(s)
Anthony P. Hamins
This article identifies research needs in automotive fire protection. The work focuses on the problem of post-collision vehicle fires. Recent fire suppression research is cited with special attention given to results cited in the literature as well as

Evaluating Feedback Systems for Residential Building Energy Monitoring

August 10, 2013
Author(s)
Wenqi Guo, Tania Ullah, MengChu Zhou
Rising global energy demand, increasing electricity prices, and the limitation of natural resources have led to increased interest in energy monitoring of residential buildings. Much research has been done to examine the effect of energy use feedback to

The Effects of Wildfire Prevention Activities

August 1, 2013
Author(s)
Douglas S. Thomas, David T. Butry, Jeffrey P. Prestemon
Eighty percent of wildfires are human caused, so it is important for decision makers and land managers to consider the role of prevention activities that minimize the costs and losses of human-caused wildfires. There have been significant efforts aimed at

Energy Price Indices and Discount Factors for Life-Cycle Cost Analysis - 2013

July 15, 2013
Author(s)
Amy S. Rushing, Joshua D. Kneifel, Barbara C. Lippiatt
This is the 2013 edition of energy price indices and discount factors for performing life-cycle cost analyses of energy and water conservation and renewable energy projects in federal facilities. It will be effective from April 1, 2013 to March 31, 2014

Experimental study of radiative heat transfer in a translucent fuel sample exposed to different spectral sources

June 28, 2013
Author(s)
Gregory T. Linteris, Nicolas Ball, J. Raynard, Guillermo Rein, Jose L. Torero, M. Forsth, P. Boulet, G. Parent, Z. Acem
Radiative heat transfer to a solid is a key mechanism in fire dynamics, and in-depth absorption is especially of importance for translucent fuels. The sample-heater interaction for radiative heat transfer is experimentally investigated in this study with
Displaying 726 - 750 of 3887
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