G. Siddheshwar, P., et al. “Numerical Study of the Effect of Concentric, Thermally-Insulated Insert on Brinkman-Forchheimer Flow and Heat Transfer through a Cylindrical Tube”. International Journal of Engineering & Technology, vol. 7, no. 4.10, Oct. 2018, pp. 290-4, https://doi.org/10.14419/ijet.v7i4.10.20914.