Babu E R, and G V Gnanendra Reddy. 2017. “Effect of Filling Ratio on Thermal Performance of Closed Loop Pulsating Heat Pipe”. International Journal of Advances in Scientific Research and Engineering (IJASRE), ISSN:2454-8006, DOI: 10.31695/IJASRE 3 (1 Special issue):223-29. https://ijasre.net/index.php/ijasre/article/view/916.