Internal Flow Heat Transfer KEY POINTS THIS LECTURE 。 Energy balance for internal flow in a tube Temperature and heat transfer relations for two cases: Constant surface heat flux Constant surface temperature Heat Transfer #3 Su Yongkang School of Mechanical EngineeringHeat Transfer Su Yongkang School of Mechanical Engineering # 3 Internal Flow Heat Transfer KEY POINTS THIS LECTURE • Energy balance for internal flow in a tube • Temperature and heat transfer relations for two cases: – Constant surface heat flux – Constant surface temperature