Effect of fins and silicon dioxide nanoparticle black paint on the absorber plate for augmenting yield from tubular solar still

Rajendra Prasad Arani, Ravishankar Sathyamurthy, Ali J. Chamkha, A.E. Kabeel, Mageshbabu Deverajan, Kasi Kamalakannan, B. Madhu, A. Muthu Manokar, Fadl A. Essa, Arumugam Saravanan