Influence of Nano-Fluid and Receiver Modification in Solar Parabolic Trough Collector Performance

International Conference on Advances in Materials and Manufacturing Applications 2017

Dharani Kumar, M.^1 ; Yuvaraj, G.^1 ; Balaji, D.^1 ; Pravinraj, R.^1 ; Shanmugasundaram, Prabhu^1

Department of Mechanical Engineering, KPR Institute of Engineering and Technology, Coimbatore

07, India^1

关键词: Absorber tubes;    Heat transfer rate;    Nanofluids;    Parabolic trough collectors;    Receiver modifications;    Source of energy;    Thermal efficiency;    Time variations;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/310/1/012140/pdf
DOI  :  10.1088/1757-899X/310/1/012140

来源: IOP

【 摘 要 】

Utilization of natural renewal sources in India is very high over the past decades. Solar power is a prime source of energy available plenty in the world. In this work solar energy is modified into thermal energy by using copper absorber tube with fins. Due to low heat transfer coefficient results leading to higher thermal losses and lower thermal efficiency. In order to increase the heat transfer coefficient copper receiver tube with fins is used and as well as solid has higher thermal conductivity compare to fluid (Tio2) nano fluid is used to improve the heat transfer rate. The analyses have been carried out and take the account of parameters such as solar radiation with time variation, mass flow rate of water, temperatures.