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Thomas, P.H., Simms, D.L., Hinkley, P.L. and Theobald, C.R., 1960. ROOF VENTING OF BURNING ENCLOSURES PART III. VENTING FIRES OF CONSTANT HEAT OUTPUT. Fire Research Notes 419
Investigations using a 1/12 scale model representing one bay of a factory have shown that, where the area or the fire is small and its heat output is known, use can be made of Bernoulli's theorem and the theory of turbulent plumes to calculate the rates of discharge of heat and air through a vent and beneath a curtain extending from the ceiling, the temperatures near the ceiling and the depth of the layer of hot air. Formulae are given for the effect on these quantities of varying the size of the vent and the depth of the curtain. Some of the effects of the shape and position of the vents are also discussed.
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