The goal of this study is to dcvelQp a simple and practical model fbr predicting an overaU convective heat transfer coe 茄 cient in compartment ∬res . Experim¢ nts using a small sGaic ( 500mm oube ) and a medium scale ( 1500mm cube ) compartments were conducted to investigate th¢ convective heat transfer coemcient in the early stage of fires . It is fbund that dimensionless heat release rate Q " which is de行ncd using heat release rate of fire source arld height cf cernpartment as characteristie

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... ength can provid ¢ a 血ir scaling parameter fbr convective heat transfbr coefflcient with difl セ rent heat release rate and scalo of compartment in the early stage of fire in which the now induced by fire source is oonsidered to be dominant , KaywordS : compartmentfire , early stage , convective heat transfer . dimensionteSS heat release rate , dimensionless heat transfer coeffcient