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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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# Article Title
1 Kidde Recalls Fire Extinguishers with Plastic Handles Due to Failure to Discharge and Nozzle Detachment: One Death Reported
2 Sonic Smart Wheels Self-Balancing Scooters/Hoverboards Recalled by Dollar Mania
3 Tech Drift Recalls Self-Balancing Scooters/Hoverboards
4 iLive Self-Balancing Scooters/Hoverboards Recalled by Digital Products
5 iHoverspeed Self-Balancing Scooters/Hoverboards Recalled by Simplified Wireless
6 Go Wheels Self-Balancing Scooters/Hoverboards
7 Drone Nerds Recalls Self-Balancing Scooters/Hoverboards
8 Smart Balance Wheel Self-Balancing Scooters/Hoverboards Recalled by Salvage World
9 Wholesale Fireworks Recalls Fireworks
10 Arctic Cat Recreational Off-Highway Vehicles Recalled by Textron Specialized Vehicles
11 Fisher-Price Recalls Infant Motion Seats
12 Southwire Recalls Globe and Snow Globe Stake Lights
13 Fireworks Over America Recalls Fireworks
14 Saber Grills Recalls Grills and LP Regulators
15 Outlet Converters Recalled by Ningbo Litesun Electric with Home Depot
16 Polaris Recalls ACE 325 Recreational Off-Highway Vehicles
17 BSH Home Appliances Expands Recall of Dishwashers
18 FedEx Supply Chain Recalls Cellphone Batteries That Could Lead to Fire
19 Academy Sports + Outdoors Recalls Crawfish Kits
20 Nutrilife Recalls Bottles of Hydrogen Peroxide
21 Honeywell International Recalls SWIFT® Wireless Gateway Sold with Fire Alarm Systems
22 Michaels Recalls Rock Salt Lamps
23 Remington Brand Chainsaws Recalled by MTD Southwest
24 Dehumidifiers Made by Midea Recalled Due to Serious Fire and Burn Hazards; $4.8 Million in Property Damage Reported
25 Country Home Products Recalls Leaf and Lawn Vacuums
26 Hammerhead Off-Road Recalls Fun-Karts
27 Projection Night Lights Recalled by LTD Commodities and The Lakeside Collection
28 L.D. Kichler Recalls Ceiling Fixtures
29 FULLBEAUTY Brands Recalls Children’s Nightgowns Due to Violation of Federal Flammability Standard
30 All Power Portable Generators Recalled by J.D. North America Due to Explosion, Fire and Burn Hazards
31 Home / Recalls / 2016 277 Illume Recalls Valentine’s Day-Themed Ceramic Mugs
 
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