TY - BOOK AU - Gurpreet Singh TI - Effect of angle of attack on heat transfer and friction characteristics of inclined rib roughened solar air heater duct U1 - T 621.47 PY - 2017/// CY - Ludhiana PB - PAU KW - SOLAR HEATER; SOLAR AIR HEATER; ARTIFICIAL ROUGHNESS RIB ROUGHNESS; THERMO-HYDRAULIC PERFORMANCE; NUSSELT NUMBER ER -