O. Afshar,  Numerical Investigation of Hot Oil Velocity Effect on Force Heat Convection and Impact of Wind Velocity on Convection Heat Transfer in Receiver Tube of Parabolic Trough Collector System.   journal   = {International Journal of Aerospace and Mechanical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2015, vol. 108(12). 2070 - 2075
    [viewed 21 November 2019]. Available from: https://publications.waset.org/pdf/10002934.