1. ASHRAE Standards, 1977. Methods of Testing to Determine the Thermal performance of Solar Collectors.
2. Thermal performance representation and testing of air solar collectors;Bernier;Trans. ASME,1988
3. Performance analysis of solar air heaters of conventional design;Biondi;Sol. Energy,1988
4. Turbulent convective heat transfer from rough surfaces with two-dimensional rectangular ribs;Dalle Donne;Int. J. Heat Mass Transf.,1977
5. Heat and momentum transfer in smooth and rough tubes at various Prandtl number;Dipperey;Int. J. Heat Mass Transf.,1963