Numerical study of heat transfer in rectangular channels with single pin fin and pin fin-dimpleA. N. Rogalev, N. D. Rogalev, V. O. Kindra, S. K. Osipov and A. S. ZonovE3S Web Conf., 124 (2019) 01010DOI: https://doi.org/10.1051/e3sconf/201912401010