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ABSTRACT

The prudent teaching of the forensic fire engineering analysis of complex building fires must include the subject of computer fire modeling, particularly the use of the Fire Dynamics Simulator (FDS), developed by the National Institute of Standards and Technology (NIST).  However, the problems associated with FDS require that large buildings be divided into rooms or zones, with each assigned to an individual computational mesh.  These mutli-mesh models often produce relatively long execution times of days or weeks and typically require parallel processing computing clusters, which require technically challenging set up and maintenance.  These performance gains can only be accomplished using high performance parallel processing computer clusters designed specifically to use operating systems and hardware that exploit the parallel functions of the FDS code.  This paper presents best practices from the latest research in constructing small, medium, and large-scale high performance parallel processing computing clusters for use in academic environments to support NIST’s FDS fire model.

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Hypothesis vs. Theory

http://www.diffen.com/difference/Hypothesis_vs_Theory September 15, 2017

A hypothesis is either a suggested explanation for an observable phenomenon, or a reasoned prediction of a possible causal correlation among multiple phenomena. In science, a theory is a tested, well-substantiated, unifying explanation for a set of verified, proven factors. A theory is always backed by evidence; a hypothesis is only a suggested possible outcome, and is testable and falsifiable.

Purpose: To present an uncertain possibility that can be explored further through experiments and observations. To explain why a large set of observations are consistently made.

From Out of the Abyss...

This week’s article from the past is titled Incendiary Fires Can Be Spotted and was written by Benjamin Horton, CPCU, who was President of the National Adjuster Traing School in Louisville, Kentucky..  It is taken from the Decembe 1968 Vol. XVI No.5 issue.

Incendiary Fires Can Be Spotted 

In the new issue of NFPA Journal®, President Jim Shannon said the Association will focus on the leading causes of home fires, including cooking. "We also need to continue to push hard for home fire sprinklers. That's still a large priority for NFPA, and we plan to work very aggressively in 2014 on our residential sprinkler initiative," he said.

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NFPA 921, Guide for Fire and Explosion Investigations plays a fundamental role in fire and explosion investigations. A new edition of NFPA 921 is scheduled to be published in 2014. For years, this document has played a critical role in the training, education and job performance of fire and explosion investigators. It also serves as one of the primary references used by the National Fire Academy to support its fire/arson-related training and education programs. It is imperative that investigators understand the scope, purpose and application of this document, especially since it will be used to judge the quality and thoroughness of their investigations.

NFPA 921, Guide for Fire and Explosion Investigations plays a fundamental role in fire and explosion investigations. A new edition of NFPA 921 is scheduled to be published in 2014. For years, this document has played a critical role in the training, education and job performance of fire and explosion investigators. It also serves as one of the primary references used by the National Fire Academy to support its fire/arson-related training and education programs. It is imperative that investigators understand the scope, purpose and application of this document, especially since it will be used to judge the quality and thoroughness of their investigations.

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SAN DIEGO - A Team 10 and Scripps News investigation found arson fires are not investigated properly in many American cities -- including San Diego -- due to a chaotic patchwork of reporting systems and standards.

Many deliberately set building fires are not reported to the federal government.

Nationally, just 5 percent of all residential building fires are intentionally set, according to the National Fire Incident Reporting System, which is part of the Department of Homeland Security.  Data collected by Scripps News suggests the national arson rate to be significantly higher.

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Genie Recalls Garage Door Openers Due to Fire Hazard

Description

This recall involves Genie, models PowerMax 1200 and 1500, and Genie Pro, models TriloG 1200 and 1500, screw drive garage door openers. The garage openers are gray and have a rating of ¾ HPc for the models ending in 1200 and 1 HPc for the models ending in 1500. “Genie” and the model name appear on both sides of the opener. The serial numbers are printed on a label located on the side opposite to the light.

 

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Home Fire Sprinklers a Top Priority for NFPA in 2014

In the new issue of NFPA Journal®, President Jim Shannon said the Association will focus on the leading causes of home fires, including cooking. "We also need to continue to push hard for home fire sprinklers. That's still a large priority for NFPA, and we plan to work very aggressively in 2014 on our residential sprinkler initiative," he said.

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Believe or not to believe…that is the question

Believe or not to believe…that is the question.

CARLISLE, Ky. - Fire officials say a central Kentucky woman doused her couch in alcohol in an attempt to kill bed bugs, but dropped a lit cigarette on the furniture and started a fire.

WLEX-TV in Lexington reported that about 30 people in a Carlise apartment complex lost their homes in Friday night's blaze.

Firefighters disappeared into the smoke as they climbed the ladder to make sure everyone was out the building.

It took hours to get a handle on the out of control fire.

Everyone made it out of the apartments, but four people were treated for smoke inhalation.

Complex resident Jackie Bond told the station that she lost everything, but "As long as everybody's alive, I'll find a way."

Reference - http://www.hvchemical.com/msds/deal.htm

GM recalling 370,000 full-size trucks for fire risks

General Motors Co. will recall 370,000 full-size pickups for fire risks after eight reported fires. The automaker is urging owners not to leave their trucks unattended while idling.

GM said Friday it will recall 2014 Chevrolet Silverados and GMC Sierras to reprogram software that could lead to overheating of exhaust components, potentially causing engine compartment fires. The 2014 Silverado is one of three finalists for North American Truck of the Year, which will be awarded Monday at the North American International Auto Show.

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Coffee Break Training

NFPA 921, Guide for Fire and Explosion Investigations plays a fundamental role in fire and
explosion investigations. A new edition of NFPA 921 is scheduled to be published in
2014. For years, this document has played a critical role in the training, education and
job performance of fire and explosion investigators. It also serves as one of the primary
references used by the National Fire Academy to support its fire/arson-related training
and education programs. It is imperative that investigators understand the scope,
purpose and application of this document, especially since it will be used to judge the
quality and thoroughness of their investigations.

NFPA 921, Guide for Fire and Explosion Investigations plays a fundamental role in fire and explosion investigations. A new edition of NFPA 921 is scheduled to be published in 2014. For years, this document has played a critical role in the training, education and job performance of fire and explosion investigators. It also serves as one of the primary references used by the National Fire Academy to support its fire/arson-related training and education programs. It is imperative that investigators understand the scope, purpose and application of this document, especially since it will be used to judge the quality and thoroughness of their investigations.

Read more...

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