An experimental study of freezing and melting of water inside spherical capsules used in thermal energy storage systems Heat Transfer Enhancement During Pool Boiling Using Micro-Structured Surfaces and Surfactants Experimental Investigation of Flow-Boiling Heat Transfer using Nano-Refrigerant Augmentation of Convective Heat Transfer in the Cooling Zone of Brick Tunnel Kiln using Guide Vanes: An Experimental Study Thermal Performance Augmentation in the Cooling Zone of Brick Tunnel Kiln with two Types of Guide Vanes Comparative study on photovoltaic cells performance using various types of PCMs Experimental investigations on the thermal performance of an ice storage system using twin concentric helical coil Performance Enhancement of Photovoltaic Cells by Changing Configuration and using PCM (RT35HC) with Nanoparticles Al2O3 Experimental Study on R404a Vapor Compression Refrigeration Cycle using Al2O3-POE and CuO-POE Nanolubricants