S. Vijayakumar and  R. Vinoth and  K. Abilash and  P. Praveen,  Enhancement of Heat Transfer Rate in a Solar Flat Plate Collector Using Twisted Tapes and Wire Coiled Turbulators.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
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    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/9998927.