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Abbreviations:

AOP-Areas of Practice

LAR-Laws & Rules

P.E.-Professional Engineers

 

Explore all PDH CEU CPC CPD and Webinars for Engineers

Room Fires Positive Ventilation

Course No. M-2036

Credit: 2 PDH

Course Fee: $57.90 Purchase course

Subject Matter Expert: Steven G. Liescheidt, P.E., CSI-CCS, CCPR

 

Overview

Fire departments may use ventilation blowers or fans to pressurize a structure prior to suppressing a fire. This pressurization or positive pressure ventilation tactic can assist in the venting of smoke and high temperature combustion products and make attacking the fire easier than without positive pressure ventilation. However, this tactic also provides additional oxygen to the fire and can increase the rate of heat and energy being released.

In this course the student will learn about the results of a study which examined gas temperatures, gas velocities and total heat release rate in a series of fires in a furnished room. The student will learn that the use of the positive pressure ventilation fan created slightly lower gas temperatures in the fire room and significantly lower gas temperatures in the adjacent corridor.

The student is expected to read and review the material contained in Effect of Positive Pressure Ventilation on a Room Fire, NISTIR 7213, March 2005.

The student must take a multiple-choice quiz consisting of ten (10) questions at the end of this course to obtain PDH credits.

 

Specific Knowledge or Skill Obtained

This course teaches the following specific knowledge and skills:

  • Fuel loading
  • Heat release rates
  • Room gas temperatures
  • Window gas temperatures
  • Corridor gas temperatures
  • Doorway gas temperatures

 

Course

Click on the following link to the PDF document to review the course material before taking the quiz for credit.

Effect of Positive Pressure Ventilation on a Room Fire

 

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