WASET
    Ehan Sabah Shukri and  Wirachman Wisnoe,  Temperature Distribution Enhancement in a Conical Diffuser Fitted with Helical Screw-Tape with and without Center-Rod.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2016, vol. 111(3). 532 - 537
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/10003907.