Gangacharyulu Dasaroju and  Sumeet Sharma and  Sanjay Singh,  Experimental Investigation of Heat Pipe with Annular Fins under Natural Convection at Different Inclinations.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2019, vol. 146(2). 154 - 158
    [viewed 14 October 2019]. Available from: https://publications.waset.org/pdf/10010094.