Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Fiery Video Shows Moisture is Main Ingredient for a Safe Christmas Tree

14.12.2010
Once ignited, a dry Fraser fir, one of the most popular Christmas tree choices, bursts into flames in less than 7 seconds, and it will be consumed by fire in slightly more than a minute. But if a well-watered Fraser fir briefly ignites, the flame soon dies.

This experiment, videotaped by researchers at National Institute of Standards and Technology (NIST), provides a stunning, visual lesson on why keeping one’s Christmas tree moist can be a matter of life-and-death importance.

Every holiday season, hundreds of homes catch fire when something as small as poor insulation on a Christmas tree light sparks or causes a small flame, which is what was simulated in the NIST video. According to the National Fire Protection Association (NFPA), each year holiday trees fires cause 210 home fires, injure and kill dozens and cause more than $13.3 million in property damage. The NFPA also reports that one in nine Christmas tree fires lead to a death.

NIST’s 90-second-long video, called “Dry Tree vs. High Moisture Tree Fire,” is a persuasive educational tool. The video shows the two Christmas tree tests side by side. The needles on the tree on the left are fully moist; the moisture content of the other tree’s needles is less than 10 percent. As the video begins, the trees are ignited with a small flaming source. By the end of the video, the well-watered tree stands tall and green, while the dry tree is a charred remnant.

The video has been shown on local and national television during the holiday season since its debut two years ago. “Every year it is picked up by many local television stations to remind people of the risks of fire during the holidays,” says Fire Fighting Technology Group Leader Dan Madrzykowski. In addition to seeing it on the NIST web site, hundreds of thousands of people have viewed the video on You Tube and the U.S. Fire Administration website as well as others.

Fire marshalls and fire service educators also use the DVD for fire safety training, Madrzykowski explained, adding that this and other tree fire videos also are used in online training classes. More than 21,000 of the DVDs have been distributed internationally.

The NIST “Fire Safety for the Holidays” website shows videos of earlier NIST experiments that tell similar stories. “Dry Scotch Pine Tree Fire” shows the damage a dry tree exposed to an open flame can cause in a lighted room full of furniture. All is ablaze until the room is in total darkness within 46 seconds.

Another educational video shows the striking difference a residential sprinkler system can make. The burning tree sets off the single room sprinkler in about 10 seconds and puts the tree fire out within three and one-half minutes. Unlike the other videos of fires in living rooms, none of the furniture catches fire, which would cause the fire to flashover and move throughout the house.

Evelyn Brown | Newswise Science News
Further information:
http://www.nist.gov
http://www.newswise.com/articles/view/571728/?sc=dwhr&xy=5048111
http://www.fire.nist.gov/tree_fire.htm

Further reports about: Christmas Christmas tree DVD FIRE NIST Tree Frog information technology moisture

More articles from Materials Sciences:

nachricht Flying: Efficiency thanks to Lightweight Air Nozzles
23.10.2017 | Technische Universität Chemnitz

nachricht Strange but true: Turning a material upside down can sometimes make it softer
20.10.2017 | Universitat Autonoma de Barcelona

All articles from Materials Sciences >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Salmonella as a tumour medication

HZI researchers developed a bacterial strain that can be used in cancer therapy

Salmonellae are dangerous pathogens that enter the body via contaminated food and can cause severe infections. But these bacteria are also known to target...

Im Focus: Neutron star merger directly observed for the first time

University of Maryland researchers contribute to historic detection of gravitational waves and light created by event

On August 17, 2017, at 12:41:04 UTC, scientists made the first direct observation of a merger between two neutron stars--the dense, collapsed cores that remain...

Im Focus: Breaking: the first light from two neutron stars merging

Seven new papers describe the first-ever detection of light from a gravitational wave source. The event, caused by two neutron stars colliding and merging together, was dubbed GW170817 because it sent ripples through space-time that reached Earth on 2017 August 17. Around the world, hundreds of excited astronomers mobilized quickly and were able to observe the event using numerous telescopes, providing a wealth of new data.

Previous detections of gravitational waves have all involved the merger of two black holes, a feat that won the 2017 Nobel Prize in Physics earlier this month....

Im Focus: Smart sensors for efficient processes

Material defects in end products can quickly result in failures in many areas of industry, and have a massive impact on the safe use of their products. This is why, in the field of quality assurance, intelligent, nondestructive sensor systems play a key role. They allow testing components and parts in a rapid and cost-efficient manner without destroying the actual product or changing its surface. Experts from the Fraunhofer IZFP in Saarbrücken will be presenting two exhibits at the Blechexpo in Stuttgart from 7–10 November 2017 that allow fast, reliable, and automated characterization of materials and detection of defects (Hall 5, Booth 5306).

When quality testing uses time-consuming destructive test methods, it can result in enormous costs due to damaging or destroying the products. And given that...

Im Focus: Cold molecules on collision course

Using a new cooling technique MPQ scientists succeed at observing collisions in a dense beam of cold and slow dipolar molecules.

How do chemical reactions proceed at extremely low temperatures? The answer requires the investigation of molecular samples that are cold, dense, and slow at...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

3rd Symposium on Driving Simulation

23.10.2017 | Event News

ASEAN Member States discuss the future role of renewable energy

17.10.2017 | Event News

World Health Summit 2017: International experts set the course for the future of Global Health

10.10.2017 | Event News

 
Latest News

Microfluidics probe 'cholesterol' of the oil industry

23.10.2017 | Life Sciences

Gamma rays will reach beyond the limits of light

23.10.2017 | Physics and Astronomy

The end of pneumonia? New vaccine offers hope

23.10.2017 | Health and Medicine

VideoLinks
B2B-VideoLinks
More VideoLinks >>>