Thursday, March 21st, 2019

Theoretical and experimental investigations of a two-phase thermosyphon solar water heater

Publication year: 2010brbSource:/b Energy, In Press, Corrected Proof, Available online 12 November 2010brC.C., Chien , C.K., Kung , C.C., Chang , W.S., Lee , C.S., Jwo , …brThis article experimentally and theoretically investigates a two-phase thermosyphon solar water heater. The performance of this innovative solar water heater at different solar radiation intensities and tilt angles are experimentally discussed. The results show the best charge efficiency of the system is 82%, which is higher than the conventional solar water heaters. The theoretical model is also developed using the thermal resistance-capacitor method. The simulation predictions agree well with the experimental data within an average error deviation of ±6%. Two methods for improving the performance of this heater, double fin tubes and nano particle, are proposed. The results show that…

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