Comparative Study of Tubular Solar Stills with Phase Change Material and Nano-Enhanced Phase Change Material

M. Mohamed Thalib, Athikesavan Muthu Manokar, Fadl A. Essa, N. Vasimalai, Ravishankar Sathyamurthy and Fausto Pedro Garcia Marquez
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M. Mohamed Thalib: Department of Mechanical Engineering, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai 600 048, India
Athikesavan Muthu Manokar: Department of Mechanical Engineering, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai 600 048, India
Fadl A. Essa: Mechanical Engineering Department, Faculty of Engineering, Kafrelsheikh University, Kafrelsheikh 33516, Egypt
N. Vasimalai: Department of Chemistry, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai 600 048, India
Ravishankar Sathyamurthy: Department of Automobile Engineering, Hindustan Institute of Technology and Science, Chennai 603103, Tamil Nadu, India
Fausto Pedro Garcia Marquez: Ingenium Research Group, Universidad Castilla-La Mancha Ciudad Real, 13071 Ciudad Real, Spain

Energies, 2020, vol. 13, issue 15, 1-13

Abstract: This study is intended to investigate and analyze the operational performances of the Conventional Tubular Solar Still (CTSS), Tubular Solar Still with Phase Change Material (TSS-PCM) and Tubular Solar Still with Nano Phase Change Material (TSS-NPCM). Paraffin wax and graphene plusparaffin wax were used in the CTSS to obtain the modified solar still models. The experimental study was carried out in the three stills to observe the operational parameters at a water depth of 1 cm. The experiment revealed that TSS-NPCM showed the best performance and the highest yield in comparison to other stills. The distillate yield from the CTSS, TSS-PCM and TSS-NPCM was noted to be 4.3, 6.0 and 7.9 kg, respectively, the daily energy efficiency of the stills was observed to be 31%, 46% and 59%, respectively, and the daily exergy efficiency of the stills was recorded to be 1.67%, 2.20% and 3.75%, respectively. As the performance of the TSS-NPCM was enhanced, the cost of freshwater yield obtained was also low in contrast to the other two types of stills.

Keywords: tubular solar still; distilled water; phase change materials; nano graphene (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (12)

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