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Fire

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Displaying 701 - 725 of 3901

Quantitative Infrared Imaging of Impinging Turbulent Buoyant Diffusion Flames

July 2, 2014
Author(s)
Randall J. McDermott, Ashish Newale, Brent Rankin, Harshad Lalit, Jay P. Gore
Radiation from buoyant diffusion flames with and without impingement on a flat plate is studied using a unique quantitative comparison of measured and simulated images. The coupling between the stagnation boundary layer and upstream buoyant shear layer

BEHAVIOR OF STEEL COMPONENTS SUBJECTED TO LOCALIZED FIRE

June 11, 2014
Author(s)
Chao Zhang, John L. Gross, Lisa Y. Choe
Recent numerical studies on the behavior of steel components subjected to a localized fire are presented. Sequentially coupled thermo-mechanical simulations were conducted to predict the steel temperature distribution, the deformation mode and failure

USA - Characteristics, Impacts, and Future Directions

June 11, 2014
Author(s)
Sarah Slaughter, Douglas Thomas, Robert E. Chapman
Investments in the built environment provide the basis for civil society and commerce, and construction is an engine of growth for the U.S. economy, equaling approximately 3 % to 5 % of GDP. Current U.S. annual expenditures for construction-related R&D are

Experimental Study of Firebrand Transport

June 1, 2014
Author(s)
Samuel L. Manzello, Kuibin Zhou, Sayaka Suzuki
The NIST Firebrand Generator (NIST Dragon) has been used to quantify the vulnerability of structures to ignition by firebrand attack. The Firebrand Generator is also as useful device to study firebrand transport, and has been used to validate firebrand

Exposing Decking Assemblies to Continuous Wind-Driven Firebrand Showers

June 1, 2014
Author(s)
Samuel L. Manzello, Sayaka Suzuki
A series of experiments were conducted to examine potential vulnerabilities of wood decks to continuous, wind-driven firebrand showers. Sections of wood decks (1.2 m by 1.2 m) were constructed and attached to a re-entrant corner assembly. The deck

Experimental Study of Firebrand Transport

May 27, 2014
Author(s)
Samuel L. Manzello, Kuibin Zhou, Sayaka Suzuki
The NIST Firebrand Generator (NIST Dragon) has been used to quantify the vulnerability of structures to ignition by firebrand attack. The Firebrand Generator is also a useful device to study firebrand transport, and has been used to validate firebrand

Ignition of Fine Fuels Exposed to Firebrand Showers

May 27, 2014
Author(s)
Samuel L. Manzello, Sayaka Suzuki, Junichi Suzuki, Koji Kagiya, Yoshihiko Hayashi
Wildland-Urban Interface (WUI) fires have caused significant destruction to communities throughout the world. WUI fires continue to burn in the USA; most recently in Texas in 2011, Colorado, and California in 2012, and Arizona, Colorado, and California in

Flame Inhibition by CF3CHCl2 (HCFC-123)

May 20, 2014
Author(s)
Valeri I. Babushok, Gregory T. Linteris, Oliver Meier, John Pagliaro
A kinetic model is suggested for hydrocarbon-air flame propagation with addition of hydrochloroflurocarbon (HCFC) fire suppressants, encompassing the combined chemistry of fluorine- and chlorine-containing species. Calculated burning velocities using the

The Case for Delivering the Infrastructure for Digital Building Regulations

May 19, 2014
Author(s)
Mark E. Palmer, James H. Garrett
The building industry uses numerous engineering standards, building codes, specifications and regulations and a diverse set of industry vocabularies to describe, assess, and deliver constructed facilities. As part of the expanding use of building

Characterization of Emissions from Spray Polyurethane Foam: Letter Report to U.S. Consumer Product Safety Commission Interagency Agreement CPSC-I-13-0016

May 15, 2014
Author(s)
Dustin G. Poppendieck, Matthew P. Schlegel, Andrew K. Persily, Steven J. Nabinger
This letter report provides a project update reflecting the activities to date under the FY2013 interagency agreement between CPSC and NIST. The objective of that agreement is to develop testing and measurement protocols for determining the quantities and

IAQ Specifications for a Netzero Energy Research Home

May 1, 2014
Author(s)
Andrew K. Persily, Lisa C. Ng
The National Institute of Standards and Technology (NIST) recently constructed the Net Zero Energy Research Test Facility (NZERTF) to demonstrate a range of technologies in support of achieving netzero or near zero residential buildings (1). The energy

An improved method of modeling infiltration in commercial building energy models

April 28, 2014
Author(s)
Lisa C. Ng, Steven J. Emmerich, Andrew K. Persily
As various strategies for improving building envelope and HVAC equipment efficiencies are increasingly used to reduce building energy use, a greater percentage of energy loss can occur through building envelope leakage. Although the energy impacts of

Response to Comments on the National Institute of Standards and Technology Investigation of the 2001 World Trade Center Fires

April 15, 2014
Author(s)
Richard G. Gann, Anthony P. Hamins, Therese P. McAllister, Kevin B. McGrattan, William M. Pitts, Kuldeep R. Prasad
The editor of a special issue of Fire Technology invited the NIST authors to address the NIST Investigation of the WTC disaster and associated practice and research progress in the 10 years since then. The three published papers are a summary of the

A Quantitative Study of Nanoparticle Release from Nanocoatings Exposed to UV Radiation

April 7, 2014
Author(s)
Li Piin Sung, Deborah S. Jacobs, Justin M. Gorham, Savelas A. Rabb, Xiaohong Gu, Lee L. Yu, Tinh Nguyen
Nanoparticles are increasingly used in polymer coatings (i.e., nanocoatings) to improve multiple properties of traditional coatings such as mechanical, electrical, gas barrier, and UV resistance. These high performance nanocoatings are often used in

Robustness Assessment of RC Frame Buildings under Column Loss Scenarios

April 3, 2014
Author(s)
Yihai Bao, Joseph A. Main, Hai S. Lew, Fahim Sadek
A computational assessment of the robustness of reinforced concrete (RC) building structures under column loss scenarios is presented. A reduced-order modeling approach is presented for three-dimensional RC framing systems, including the floor slab, and
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