Jaisankar, S.; Radhakrishnan, T.K.; Sheeba, K.N. - In: Energy 34 (2009) 9, pp. 1054-1064
Experimental investigation of heat transfer, friction factor and thermal performance of thermosyphon solar water heater … developed for Nusselt number and friction factor with various twist ratios (Y=3, 4, 5, 6) are fitted with the experimental data …