Convective transfer problem A FAMILY CIRCUS 2-6 D2o02 BIKeane,nt Dt tyKng Frmn世Srd hEAM FIRCUS. 蒸 "I forget.Does holding the door open let the cold air in,or the warm out?" Heat Transfer Su Yongkang School of Mechanical Engineering# 5 Heat Transfer Su Yongkang School of Mechanical Engineering Convective transfer problem