An extensive review on thermodynamic aspect based solar desalination techniques
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An extensive review on thermodynamic aspect based solar desalination techniques Sivakumar Vaithilingam1 · Sakthivel Thirumalai Gopal2 · Senthil Kumar Srinivasan3 · A. Muthu Manokar4 · Ravishankar Sathyamurthy5 · Ganapathy Sundaram Esakkimuthu6 · Ravinder Kumar7 · Mohsen Sharifpur8,9 Received: 13 July 2020 / Accepted: 15 September 2020 © Akadémiai Kiadó, Budapest, Hungary 2020
Abstract The shortage of freshwater is becoming a major threat to sustainable environmental development. Water desalination techniques provide solutions for freshwater requirements. Solar energy is considered as a plentiful and effortlessly available renewable energy. Desalination with solar energy is a suitable technique to convert brackish water into fresh water and that has received greater attention. The traditional desalination processes require a substantial quantity of energy, and with an extensive investigation of different methods of desalination, frameworks have experimented in the most recent couple of decades. The different types of desalination techniques using solar energy with exergy analysis are studied and presented in this review paper. The exergy performance cost affecting factors and the economic feasibility of several desalination plants such as solar stills, humidification and dehumidification, multi-effect distillation, reverse osmosis, and multi-stage flash desalination techniques are studied and reported in this paper. The present study revealed that the desalination of water using solar energy as an efficient as well as a cost-effective method as compared desalination of water with other energy sources. Keywords Desalination · Solar energy · Reverse osmosis · Multi-effect distillation · Exergy analysis List of symbols I(t) Horizontal surface solar radiation (W m−2 K−1) Kg Thermal conductivity attained in glass (W m−1 k−1) Lg Glass thickness (m) Ta Ambient temperature (°C) m The mass flow rate of water in solar collector (kg s−1)
Tgi Temperature attained in the inner glass surface (°C) Tgo Temperature attained in the outer glass surface (°C) ht,go-a Conventional heat transfer coefficient from glass to ambient (W m−2 K−1) ht,w-gi Total heat transfer coefficient from water to glass cover (W m−2 K−1)
* Ravinder Kumar [email protected]
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Department of Mechanical Engineering, B.S. Abdur Rahman Crescent Institute of Science and Technology, Chennai 600 048, India
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Department of Mechanical Engineering, KPR Institute of Engineering and Technology, Arasur, Coimbatore, Tamil Nadu 641407, India
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Department of Mechanical Engineering, Velammal Engineering College, Chennai, Tamil Nadu 600066, India
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Department of Mechanical Engineering, Lovely Professional University, Phagwara, Punjab, India
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Institute of Research and Development, Duy Tan University, Da Nang 550000, Viet Nam
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Department of Mechanical and Aeronautical Engineering, University of Pretoria, Pretoria 0002, South Africa
Sivakumar Vaithilingam [email protected] Mohsen Sharifpur [email protected]
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