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Displaying 1026 - 1050 of 3892

Building Occupant Egress Data

August 27, 2010
Author(s)
Richard D. Peacock, Erica D. Kuligowski
Data on people movement on stairs were collected from 9 office and residential building evacuations in the United States. The buildings involved in this study range from 6 stories to 62 stories in height. The data were collected by positioning video

Indoor Air Quality in Sustainable, Energy Efficient Buildings

August 15, 2010
Author(s)
Andrew K. Persily, Steven J. Emmerich
Building designers, contractors, owners and managers have long been challenged with providing quality indoor environments at a reasonable energy cost. Current efforts to improve building energy efficiency, including goals of netzero energy use, are

Understanding the Hazards of Grouped Electrical Cables

August 8, 2010
Author(s)
Kevin B. McGrattan, Andrew J. Lock, Nathan D. Marsh, Marc R. Nyden, Jason Dreisbach, David Stroup
CHRISTIFIRE (Cable Heat Release, Ignition, and Spread in Tray Installations during FIRE) is a U.S. Nuclear Regulatory Commission Office of Research program to quantify the mass and energy released from burning electrical cables. This type of quantitative

Infiltration of Outdoor Ultrafine Particles into a Test House

August 2, 2010
Author(s)
Dong H. Rim, Lance L. Wallace, Andrew K. Persily
Ultrafine particles (UFP) have been related to adverse human health effects such as respiratory and cardiovascular mortality. However, human exposure to particles of outdoor origin is heavily dependent on their infiltration into homes, where most people

VISCOSITY MEASUREMENTS ON COLLOIDAL DISPERSIONS (NANOFLUIDS)FOR HEAT TRANSFER APPLICATIONS

August 2, 2010
Author(s)
Mark A. Kedzierski, David Venerus, Jacopo Buongiorno, Rebecca Christianson, Jessica Townsend, In Cheol Bang, Gang Chen, Sung Jae Chung, Minking Chyu, Haisheng Chen, Yulong Ding, F. Dubois, Grzegorz Dzido, Denis Funfschilling, Quentin Galand, Jinwei Gao, Haiping Hong, Mark Horton, Lin-wen Hu, Carlo Iorio, Andrzej Jarzebski, Yiran Jiang, Stephan Kabelac, Chongyoup Kim, Ji Hyun Kim, Sukwon Kim, Thomas McKrell, Rui Ni, John Philip, Naveen Prabhat, Pengxiang Song, Stefan Van Vaerenbergh, Dongsheng Wen, Sanjeeva Witharana, Xiao-Zheng Zhao, Sheng-Qi Zhou
This article reports viscosity data on a series of colloidal dispersions collected as part of the International Nanofluid Property Benchmark Exercise (INPBE). Data are reported for seven different fluids that include dispersions of metal-oxide

Modeled Infiltration Rate Distributions for U.S. Housing

July 18, 2010
Author(s)
Andrew K. Persily, Amy Musser, Steven J. Emmerich
A set of 209 dwellings that represent 80 % of U.S. housing stock was used to generate frequenc distributions of residential ventilation rates. The set of homes is based on an anal sis of the 1997 U.S. Department of Energ s Residential Energ Consumption

Community Risk Assessment Modeling: Results of Residential Fireground Field Experiments

July 7, 2010
Author(s)
Adam M. Barowy, Kathy Notarianni, Jason D. Averill, Lori Moore-Merrell, Robert Santos
This paper presents an overview of a large multi-year, multi-partner research study on Firefighter Safety and Deployment of Resources as well as specific results from more than 60 laboratory and residential fireground experiments designed to quantify the

Chemical Species and Temperature Mapping in Full Scale Underventilated Compartment Fires

July 5, 2010
Author(s)
Andrew J. Lock, Matthew F. Bundy, Erik L. Johnsson, Kelly M. Opert, Anthony P. Hamins, Cheolhong Hwang, Ki Y. Lee
Many injuries and deaths throughout the world are caused by fires each year. Many of the deaths are the result of toxic gas inhalation, such as carbon monoxide, by a victim remote from the actual fire source. In order to facilitate better building

Numerical Simulation of Polymeric Materials in UL 94 Test: Competition Between Gasification and Melt Flow / Dripping

July 5, 2010
Author(s)
Kathryn M. Butler, Florian Kempel, Bernhard Schartel, Anja Hofmann, Eugenio O?, Sergio R. Idelsohn, Riccardo Rossi, Julio M. Marti
The capability of the Particle Finite Element Method (PFEM, developed by CIMNE) to model the complex fire behaviour of polymers in the UL 94 scenario was investigated. For validation, a series of four PC/ABS blends were chosen, which covered different UL

MODELING THE BURNING OF COMPLICATED OBJECTS USING LAGRANGIAN PARTICLES

July 4, 2010
Author(s)
Kevin B. McGrattan, Randall J. McDermott, William E. Mell, Glenn P. Forney, Jason E. Floyd, Simo A. Hostikka
A methodology is described for representing complicated objects within a computational fluid dynamics model. These objects are typically collections of similar items that are too small to define on the numerical grid that is used to solve the governing

A Sensor-Driven Fire Model, Version 1.2

July 1, 2010
Author(s)
William D. Davis
Modern building fire sensors are capable of supplying substantially more information to the fire service than just the simple detection of a possible fire. In order to use this information, a decision support system needs to be developed that interprets a

WIND DRIVEN FIRES IN STRUCTURES

July 1, 2010
Author(s)
Daniel M. Madrzykowski, Stephen Kerber
Fires in high-rise buildings create unique safety challenges for building occupants and fire fighters. Smoke and heat spreading through the corridors and the stairs of a building during a fire can limit building occupants ability to escape and can limit

Evolutionary Computation Approach to Heat Exchanger Design

June 26, 2010
Author(s)
David A. Yashar, Janusz Wojusiak, Kenneth Kaufman, Piotr A. Domanski
The efficiency of a vapor compression system is strongly influenced by the performance of the finned-tube heat exchangers it employs. Heat exchanger performance is strongly influenced by the refrigerant circuitry, i.e., the connection sequence of the tubes

AN ADHESION TEST METHOD FOR SPRAY-APPLIED FIRE-RESISTIVE MATERIALS

June 21, 2010
Author(s)
Kar T. Tan, Christopher C. White, Donald L. Hunston
Adhesion of spray-applied fire-resistive materials (SFRMs) to steel structures is critical in enabling the capacity of a building to remain functional for a specific length of time during a fire for life safety and fire department assess. Empirical tests

Representing Egress Behaviour in Engineering Terms

June 16, 2010
Author(s)
Steve M. Gwynne, Erica D. Kuligowski, Daniel Nilsson
When using engineering tools to calculate RSET, the engineer must have sufficient expertise to identify actual human factors that will influence the outcome of an evacuation in a particular situation. The engineer must then represent these factors in the
Displaying 1026 - 1050 of 3892
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