WASET
    Vishnu Raj and  Chockalingam Prathap,  Effect of Exit Annular Area on the Flow Field Characteristics of an Unconfined Premixed Annular Swirl Burner.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2023, vol. 199(7). 265 - 272
    [viewed 28 April 2024]. Available from: https://publications.waset.org/pdf/10013158.