Kevin McGrattan, Ph.D., Randall McDermott, Ph.D., Glenn Forney, Ph.D., Kristopher Overholt, Ph.D., Craig Weinschenk, Ph.D. (National Institute of Standards and Technology) and Jason Floyd, Ph.D. (Hughes Associates, Inc.) | Fire Protection Engineering
The Fire Dynamics Simulator (FDS), first publicly released in 2000, has recently undergone its fifth major revision. Since its first release, FDS has been applied in three major areas: basic research in fire dynamics, performance-based design, and forensic reconstructions of actual fires.
As its applications widen in scope, there is a need to develop new capabilities, while at the same time to verify and validate new and existing algorithms. This is a difficult task because the variety of applicable scenarios is vast and growing.
Sept. 24, 2014
—Hearth & Home Technologies recalled certain fireplaces, inserts, log sets and stoves, because the gas valve that’s in the unit might break.
This recall affects Hearth & Home, Heat-N-Glo, Heatilator, Outdoor Lifestyles and Quadra Fire indoor and outdoor natural and propane-gas fireplaces, stoves, inserts and log sets. For a complete list of affected serial numbers, go to Consumer Product Safety Commission’s website. The product’s brand and serial number are printed on the unit’s rating plate, which is near the controls and in the instruction manual.
The recalled products were sold at fireplace stores from May 2014 through June 2014. No incidents were reported. Consumers should stop using the recalled product, turn off the gas to the unit and contact the fireplace store where the unit was purchased to arrange for a free inspection and, if necessary, valve replacement.
For more information, consumers should call Hearth & Home at 800/883-6690 Monday–Friday 8:00 a.m.–8:00 p.m. CT or go to hearthnhome.com.
Dec. 3, 2014
—Daikin recalled its Streamer air purifier, because the product’s circuit board can overheat, which poses a fire hazard.
The air purifier is 23 inches tall, 15 inches wide and 8 inches deep. The model’s color is cream. Daikin is printed on the front, and model code MC75KSU is printed on a rating plate that’s on the lower right side.
The recalled product was sold at Goodman Manufacturing and other HVAC contractors and at amazon.com from December 2010 through October 2014. No incidents were reported. Consumers should unplug the air purifier and contact Daikin for a full refund or a free replacement.
For more information, consumers should call Daikin at 888/770-7156 Monday–Friday 9:00 a.m.–5:00 p.m. ET or go to daikin.com.
Nov. 13, 2014
—Challenger Supply Holdings recalled Coaire and Quietside gas-powered tankless water heaters that were manufactured by Daesung Celtic Enersys because they can overheat, which poses a fire hazard.
The recall involves all models of single- and dual-purpose Coaire and Quietside gas-fired tankless water heaters, which heat either 4 or 7.2 gallons of water per minute. The water heaters are white. The models are 25–28 inches tall, 15–19 inches wide and 8–14 inches thick. “S-Line Condensing” appears on the top front of the model, and the brand name Coaire or Quietside appears on the bottom front.
The recalled products were sold nationwide at independent dealerships and on websites such as amazon.com from July 2009 through August 2014. Daesung received 40 reports of models that overheated, including four that involved burns on the wall where the heater was mounted and two that involved a fire and property damage. No injuries were reported. Consumers should stop using the recalled water heaters and contact Challenger Supply to arrange for a free repair.
For more information, consumers should call Challenger Supply at 800/729-6118 Monday–Friday 7:00 a.m.–6:00 p.m. CT or go to challengersupply.com.
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.
April 14, 2015
—San Pedro Manufacturing recalled its mattresses and mattresses with foundations, because the products fail to meet the federal open-flame standard, which poses a fire hazard.
The rebuilt mattresses and mattresses with foundations were sold in twin, full, queen and king sizes. They were sold in a variety of fabrics and colors, and each has a white federal tag and yellow state tag that is sewn at the foot of the mattress that reads “San Pedro Manufacturing Company, 1041 La Grange Blvd., Atlanta, Georgia 30336.”
The recalled mattresses were sold at A1 Mattress and Furniture, Affordable Furniture, Beds Beds Beds, Bruce Furniture and Thrift, Checkouts, Christian Outreach, Fowlers Furniture, Greenbrier Furniture, Larry Rhodes, Mattress and Furniture Outlet, Mattress and Furniture Warehouse, Mattress Barn, Save Big Mattress and Unclaimed Freight stores from May 2013 through January 2014. No incidents were reported.
Consumers who contact San Pedro Manufacturing Company will have their recalled mattresses picked up, rebuilt to compliant federal flammability standards and returned to the them.
For more information or to schedule a pick-up, consumers may call San Pedro Manufacturing at 855/997-0300 Monday–Friday, 10:00 a.m.–4:00 p.m. ET.
Trivia Questions of the Month
The trivia questions are not only fun but informative. Who doesn't like learning something new, right?
Trivia question for August
The first propulsion means for fire pumps, whether they were hand or steamed powered, consisted of human beings pulling the pump. Fire crews from the early 1900s were carried around by people, the apparatus had little room for personnel, they moved slowly and when they arrived at the scene, the firefighters were often too tired to do anything. Luckily, in most cases, the fires died out before they even arrived, so there was little left for them to do.
Towards mid-1800s, and the age of steam, the introduction of the paid firefighters made room for horses to be largely put to use and pull the fire pumps. This improved the response time of the fire brigades, but still didn't solve the firefighter transport issue. People literally ran to the fires and, despite the fact that the pump was already there; they had some resting to do before getting to it. The introduction of running boards and back steps, tail boards, later solved this problem as well.
The continuing development in fire-fighting technologies and equipment made life a lot harder for the horses. The increase in weight of the fire engine slowly turned the horses as ineffective as the people were before them. Often, after half a mile or so, the travel speed would decrease dramatically. This called for a new means of propelling the engines.
Enter the self-propelled fire equipment. The first self-propelled, steam powered fire engine in the US came to be in 1841 and it was built in New York. Strangely enough, it didn't catch on. Firefighters considered such a propulsion solution dangerous and unreliable. It took decades before the steam powered fire engines really caught on.
However, the reign of the steam didn't last long. Despite the fact that steam powered fire engines were still in use, here and there, up until the 1920’s, motorized fire trucks became more and more common by the early 1900’s. Horse-drawn or steam powered engines started being turned into motorized fire engines. By 1913, Ahrens-Fox Manufacturing Company from Cincinnati was the leading company when it came to the conversion. From 1911, Mack Trucks began producing fire trucks, slowly becoming the most famous manufacturer in this field.
Many take the motorized fire equipment we use today for granted. Yes it is big and shiny and very impressive, BUT, when was the first motorized fire engine used and where was it used? What was the first fire department in California to become motorized?
I could ask that you trust to memory, but I know many will go to their computer for help. Good luck.
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