Heat exchanger for Air-Conditioner [Performance analysis of fin-tube heat exchangers for air-conditioner] Heat exchanger for EV/HEV [Heat exchanger design for Electrical/Hybrid Electrical Vehicle Performance] Inter cooler / recuperator for Aeroplane Jet Engine [Inter cooler / recuperator for Aer oplane Jet Engine] Correlation development and evaluation for exact solution [Evaluation of method for mini-channel tube bundle]