This study was considered realizing the immense application in petroleum. chemical and fuel industry of the conjugate effect of heat transfer and chemical reaction on the laminar fluid flow through a channel with several obstacles. Numerical simulation was conducted using the finite element method with the aid of COMSOL multi-physics software to relate the fluid flow pattern. heat and... https://www.chiggate.com/3m-speedglas-9002nc-welding-helmet-fashion/