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Displaying 2001 - 2025 of 7702

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

Role of Nanoparticles in Life Cycle of Nanocomposites

June 15, 2010
Author(s)
Xiaohong Gu, Guodong Chen, Minhua Zhao, Stephanie S. Watson, Paul E. Stutzman, Tinh Nguyen, Joannie W. Chin, Jonathan W. Martin
The objective of this study is to investigate the role of ZnO nanoparticles in the life cycle of a waterborne polyurethane (PU) nanocomposite during UV exposure. The effects of loadings and sizes of ZnO nanoparticles on photodegradation of ZnO/PU films

Evaporator Optimization for Non-Uniform Air Distribution

June 13, 2010
Author(s)
Piotr A. Domanski, David A. Yashar, Sunil Lee
This study demonstrates the performance improvements that can be achieved by accounting for the in-situ air flow distribution during the design phase of a heat exchanger. The heat exchanger used in this study was a two-slab, A-shaped finned-tube evaporator

Occupant Behavior in a High-rise Office Building Fire

June 10, 2010
Author(s)
Erica D. Kuligowski, Bryan L. Hoskins
Survey responses from occupants involved in a 32-story high-rise building evacuation during an actual fire were collected and analyzed to study the pre-evacuation period. Multiple regression models were used to test whether specific occupant, building, and
Displaying 2001 - 2025 of 7702
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