Heat Exchanger Types(Contd) Plate and Fin Dense array of plates that guide alternating channels of fluids(typically air) Series of fins connect the plates and greatly increase the heat transfer area Advantage: very large heat transfer surface area per unit volume One common application: Aircraft environmental control systems HEIST Heat Transfer Su Yongkang School of Mechanical EngineeringHeat Transfer Su Yongkang School of Mechanical Engineering # 8 Heat Exchanger Types (Cont’d) Plate and Fin • Dense array of plates that guide alternating channels of fluids (typically air) • Series of fins connect the plates and greatly increase the heat transfer area • Advantage: very large heat transfer surface area per unit volume . • One common application: Aircraft environmental control systems