abbas, mohammed, and Hasan K. Abdullah. “Experimental Study of Natural Heat Transfer from Finned Heat Exchanger Fixed in Variable Shape of Duct: Experimental Study of Natural Heat Transfer from Finned Heat Exchanger Fixed in Variable Shape of Duct”. Wasit Journal of Engineering Sciences, vol. 11, no. 1, Apr. 2023, pp. 29-44, https://doi.org/10.31185/ejuow.Vol11.Iss1.357.