What is rapid fire development primarily the result of?

Rapid fire development is primarily the result of radiated heat feedback. This phenomenon occurs when heat generated by a fire radiates to nearby combustible materials, increasing their temperature and leading to ignition. As the fire grows, the amount of heat released further accelerates the process, creating a cycle that leads to rapid fire spread. This type of feedback mechanism is particularly dangerous in environments like high-rise buildings where materials may be in close proximity, allowing the fire to propagate quickly from one area to another.

Understanding radiated heat feedback is crucial for effective fire safety management, especially for fire safety directors who need to assess risks and implement effective strategies to control fire spread in a high-rise context. By recognizing how heat can influence the ignition of surrounding materials, fire safety personnel can make informed decisions about evacuation procedures, firefighting tactics, and the deployment of resources in the event of a fire emergency.