Which of the following is NOT one of the 4 sub-specialties of fire dynamics relevant to educators?

The concept of heat distribution is not classified as one of the primary sub-specialties of fire dynamics that educators focus on. In fire dynamics, key sub-specialties include flashover, heat transfer, and fire growth and spread.

Flashover refers to the rapid spread of fire resulting from the ignition of combustible materials due to the intense heat produced, which is critical for understanding fire behavior and safety measures. Heat transfer discusses the methods by which heat moves through conduction, convection, and radiation, an essential element in comprehending how fire can affect objects and people involved in or near a fire scenario. Fire growth and spread encompasses the progression of fire from its point of origin and the factors influencing how rapidly and in what manner it expands, which is vital information for both prevention and firefighting strategies.

While heat distribution is indeed related to how fire interacts with its environment, it does not hold the same level of significance as the other three key areas in the context of fire dynamics for educators focused on teaching fire safety and prevention.