TY - BOOK AU - Singla,Mohit TI - Optimization Of Roughness Geometry Parameters Of Roughened Evacuated Tube Collector Solar Air Heater U1 - T 621.47 S48O PY - 2020/// CY - Ludhiana PB - Pau KW - Solar Air Heater,Reynolds Number,Nusselt Number,Evacuated,Thermal Performance,Rib Roughness ER -