A study of tactical patterns during fire fighting operations

Svensson, Stefan

doi:10.1016/s0379-7112(02)00027-9

Cited by 19 publications

(27 citation statements)

References 4 publications

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“…Consistent with intuition, Svensson concludes that PPV reduces temperature on the upwind side of the fire while increasing the temperature on the downwind side [11]. One imagines that the relative magnitudes of the upstream temperature decrease and the upstream temperature increase may be complex functions of the geometry.…”

Section: Introductionmentioning

confidence: 82%

Effects of PPV Attack on Thermal Conditions in a Compartment Downstream of a Fire

et al. 2005

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There have been relatively few technical studies conducted on the effects of PPV on compartments downstream of the fire. Live fire tests in an acquired house were conducted in order to study the effect of PPV attack on the thermal environment downwind of the fire. Temperature measurements were made using 40 thermocouples located in a fire room, hallway, and downstream room referred to as "the victim room". Video camera and infrared camera images were taken in several locations to visually record the progress of the fire and firefighting. A total of eleven cases are reported in this study. These cases correspond to three different fan configurations: no fan, a 45.7 cm (18 ) diameter fan with a volumetric output of 3.06 m 3 /s (6,500 CFM), and a 61 cm (24 ) diameter fan with a volumetric output of 4.31 m 3 /s (9,130 CFM). Two venting strategies were used: venting the fire room and venting the victim room. Fluctuations in environmental factors such as wind and the inherent statistical variation common in fire testing made it difficult to draw many absolute conclusions. In general, however, we found that cases with fire room venting and fan application had somewhat higher fire room or hallway temperatures when compared to cases without fan application. We also found that cases with victim room venting and fan application resulted in higher gas temperatures in the victim room at the higher elevations than both fire room vented cases and cases without fan application.

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Section: Introductionmentioning

confidence: 82%

Effects of PPV Attack on Thermal Conditions in a Compartment Downstream of a Fire

et al. 2005

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“…Svensson [16] of the Swedish Rescue Services Agency also conducted an experimental study of ventilation during fire fighting operations. This experimental setup utilized three rooms on the first floor of a fire training facility.…”

Section: Discussionmentioning

confidence: 99%

Evaluation of the ability of fire dynamic simulator to simulate positive pressure ventilation in the laboratory and practical scenarios

Kerber¹

2006

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Positive Pressure Ventilation (PPV) is a tactic that is used on fire grounds across the world everyday, both to improve tenability after the extinguishment of a fire and/or offensively during fire attack to improve firefighting conditions. PPV has proven that it can be a useful tool on the fire ground, but it can also kill or injure fire fighters and All experiments qualify and quantify the comparison of the experimental results with the FDS results. A concluding scenario is modeled utilizing the calibration of the full-scale experiments to examine the effects of PPV on a fire in a two-story, colonial style house.

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“…Often the assessment of the effectiveness of fire-fighting tactics used in training is based on subjective reports and global outcomes which do not facilitate the refinement and improvement of such tactics [1]. This work was carried out with a well characterised fire, full compartment temperature instrumentation and toxic gas analysis so that the conditions in the fire during fire fighting operations could be determined.…”

Section: Conditions In the Fire Compartment At The Time Of Initiationmentioning

confidence: 99%

Effects of fire-fighting on a fully developed compartment fire: Temperatures and emissions

Alarifi

Dave²,

Phylaktou

et al. 2014

Fire Safety Journal

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A study of tactical patterns during fire fighting operations

Cited by 19 publications

References 4 publications

Effects of PPV Attack on Thermal Conditions in a Compartment Downstream of a Fire

Effects of PPV Attack on Thermal Conditions in a Compartment Downstream of a Fire

Evaluation of the ability of fire dynamic simulator to simulate positive pressure ventilation in the laboratory and practical scenarios

Effects of fire-fighting on a fully developed compartment fire: Temperatures and emissions

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