Abstract: A submerged combustion melting system includes a furnace including a tank with a floor, a roof, a perimeter wall, and an interior, and burners to melt glass feedstock into molten glass, a batch inlet, a molten glass outlet, and an exhaust outlet. An exhaust system is in fluid communication with the interior of the tank, and includes a flue in fluid communication with the exhaust outlet. A refractory-lined hood may be in fluid communication with the flue, which may be fluid-cooled including fluid-cooled perimeter panels and lower and upper baffles. The hood may include a protrusion that protrudes into a downstream horizontal exhaust path and has an excurvate upper surface to streamline flow of exhaust gas through the hood to prevent gas recirculation and formation of condensate piles in the hood.