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In 1972, Heskestad proposed the following formula to calculate how fires grow:

Q = .tn

Q is the rate of heat release (kW)

. is the fire intensity coefficient (kW/sn)

t is time (sec)

n is 1, 2, 3

For most flaming fires except flammable liquids and a few others, n = 2.

When n = 2, this is called the T-squared growth rate.

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13y ago

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