A Study on the Effectiveness of Ground Applied Compressed Air Foam System (CAFS) in Wildland Fire Suppression in Alaska PDF Download
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Author: Fredric J. Bethune
Publisher:
ISBN:
Category :
Languages : en
Pages : 107
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Book Description
Wetting agents are widely known to increase the effectiveness of water as an extinguishing agent. The addition of an air compressor produces a shaving cream-like mixture which causes the extinguishing agent to remain where it is applied for an extended period of time. This causes fuel moisture to increase in the same manner that shaving cream wets a beard. This report on the compressed air foam system (CAFS) project will evaluate the effectiveness of this revolutionary firefighting concept and determine its cost effectiveness to incorporate the system into existing or new wildland fire apparatus in Alaska.
Author: Fredric J. Bethune
Publisher:
ISBN:
Category :
Languages : en
Pages : 107
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Book Description
Wetting agents are widely known to increase the effectiveness of water as an extinguishing agent. The addition of an air compressor produces a shaving cream-like mixture which causes the extinguishing agent to remain where it is applied for an extended period of time. This causes fuel moisture to increase in the same manner that shaving cream wets a beard. This report on the compressed air foam system (CAFS) project will evaluate the effectiveness of this revolutionary firefighting concept and determine its cost effectiveness to incorporate the system into existing or new wildland fire apparatus in Alaska.
Author:
Publisher:
ISBN:
Category : Fire extinction
Languages : en
Pages : 356
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Book Description
Author:
Publisher: FEMA
ISBN:
Category :
Languages : en
Pages : 62
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Book Description
Author: Dan W. McKenzie
Publisher:
ISBN:
Category : Fire extinction
Languages : en
Pages : 24
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Book Description
Author: Samuel Duncan
Publisher:
ISBN:
Category : Fire extinction
Languages : en
Pages : 20
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Book Description
Army engineer firefighting detachments require increased firefighting capability to compensate for deficiencies in structural, brush, or wildland and large petroleum storage site fires. Additionally, Army fire departments responsible for protection and prevention on posts, camps and stations have difficulty accessing new or emerging technology do not possess state-of-the-art equipment. The results of this evaluation and subsequent projects, will be reported throughout the Army in an attempt to mitigate operational deficiencies and widen the scope of knowledge in the Army fire service. The evaluation of non-developmental retrofitted compressed air foam systems show an efficiency of suppressive capabilities of water superseded by water alone. Retrofitting the equipment was not easy or inexpensive but it was very successful.
Author:
Publisher: FEMA
ISBN:
Category :
Languages : en
Pages : 29
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Book Description
Author: Samuel Duncan
Publisher:
ISBN:
Category : Fire extinction
Languages : en
Pages : 0
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Book Description
Army engineer firefighting detachments require increased firefighting capability to compensate for deficiencies in structural, brush, or wildland and large petroleum storage site fires. Additionally, Army fire departments responsible for protection and prevention on posts, camps and stations have difficulty accessing new or emerging technology do not possess state-of-the-art equipment. The results of this evaluation and subsequent projects, will be reported throughout the Army in an attempt to mitigate operational deficiencies and widen the scope of knowledge in the Army fire service. The evaluation of non-developmental retrofitted compressed air foam systems show an efficiency of suppressive capabilities of water superseded by water alone. Retrofitting the equipment was not easy or inexpensive but it was very successful.
Author: Dan W. McKenzie
Publisher:
ISBN:
Category : Fire extinction
Languages : en
Pages : 24
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Book Description
Author: Sean Carter Mitchell
Publisher:
ISBN:
Category :
Languages : en
Pages : 112
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Book Description
Wildland fire services have successfully integrated compressed air foam systems (CAFS) into their fire suppression arsenal over the last few decades to effectively increase the firefighting ability of water. Many urban fire departments have done the same, but far more still rely on plain water to extinguish Class A fires. Many claims have been made about the advantages and disadvantages of firefighting foams, but only limited research has been conducted on the subject to date. Fire departments need more information, beyond that provided by foam suppliers and CAFS equipment manufacturers, to make an independent decision on whether or not to adopt the technology. This thesis is part of a larger project sponsored by the United States Department of Homeland Security Assistance to Firefighter Grant Program (grant ID: EMW-2010-FP-01369) to evaluate the capabilities and limitations of compressed air foam systems (CAFS) for use in structural firefighting applications. Large-scale tests comparing water and foam suppression, which includes aspirated foam and CAFS, in a variety of scenarios were performed to measure the ability of the hose streams to reduce the temperature of a hot gas layer within a structure. These temperature reductions were recorded with thermocouples and are analyzed to determine which suppression agent has a superior gas cooling ability.
Author: Daniel Madrzykowski
Publisher:
ISBN:
Category : Fire extinguishing agents
Languages : en
Pages : 21
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Book Description
This report describes an initial step to quantify the effectiveness of water-based compressed air foam (CAF) generated with a synthetic hydrocarbon-based surfactant. Two series of tests were conducted with the synthetic hydrocarbon surfactant based CAF: ignition retardation tests and mass retention tests. The ignition delaying capability of the foam was twice that of water when protecting a T1-11 plywood surface irradiated from an external source in the range of 15 kW/m2 to 60 kW/m2. The mass retention test, conducted on T1-11 plywood siding, exhibited an initial retention efficiency for the foam of approximately 20 times the efficiency of water. This type of foam may have potential for improving performance of fixed fire suppression systems, such as residential sprinkler systems. Further study is recommended to generalize the results of these tests and to quantify the extinguishing capabilities of the CAF relative to water.
