Numerical Investigation of Heat and Mass Transfer through the Preheater System in CementManufacturing Plant. J. eng. sustain. dev. [Internet]. 2006 Dec. 1 [cited 2024 May 3];10(4):78-100. Available from: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1774