Abstract
As a convenient kitchen appliance, the oven is more and more popular. The thermal efficiency of the oven and the uniformity of the temperature field in the inner chamber are the key indexes to measure the product quality. In this paper, the existing oven in 3D hot air mode of low thermal efficiency and uneven temperature field were analyzed. The heat insulation, heat dissipation system and component structure of the oven were improved, and the effects of various improvement measures on the thermal efficiency and inner temperature field of the oven were simulated. The results show that the thermal efficiency and temperature uniformity of the oven can be greatly improved by increasing the thickness of the insulation cotton, pasting aluminum foil on the inside and outside of the side plate, reducing the speed of the back fan, optimizing the structure of the fan guide vane and the position of the back heating pipe.
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