Development of Catalytic Converter Learning Media to Improve Knowledge of Automotive Vocational School Students

Abstract

High population growth has resulted in increased demand for energy supply. This need is not in line with the depleting reserves of oil and gas energy sources. For this reason, it is necessary to develop alternative energy sources that are renewable and environmentally friendly. The fuel used is wood charcoal and coconut shell waste. This type of fuel was chosen because of its abundant availability, economical price and high calorific value. The furnace material uses low carbon steel plate with a thickness of 3 mm. Air supply to the burner using the help of a 2 inch blower. The test is carried out by varying the intake blower opening to find the effect of air flow on combustion characteristics. Burning on a wood charcoal burner produces the highest flame temperature of 675°C at an air flow rate of 0.020 m3/s. Meanwhile, wood charcoal and coconut shell burners produce the highest flame temperature of 700°C at an air flow rate of 0.020 m3/s. The amount of air supply affects the combustion process and flame temperature. The higher the air supply, the flame temperature tends to decrease.