Abstract
Fuel system, type of fuel and type of spark plug, are the determining variables in producing exhaust gas in motorized vehicles. Pollutants produced by motor vehicle emissions include Carbon Monoxide (CO), carbon dioxide (CO2), Sulfur Dioxide (SO2), Nitrogen Monoxide (NOX), Hydrocarbons (HC), Lead Particles (PB), smoke and ash. These pollutants can cause interference in humans, animals, plants and other objects. The study was conducted to determine the effect of the main variables of the fuel system variables (Carburetor and EFI), type of fuel (Premium octane 88 and Pertamax octane 92) and the type of spark plugs (standard spark plugs and spark plugs Iridium) on CO gas exhaust. The test tool used to determine the value of the percentage of vehicle exhaust is a Gas Analyzer and the test vehicle used is a 4-step motorcycle. The research method uses factorial design and variable analysis using Yates's algorithm. The test results show that the effect of the fuel system is -1,272 (Carburetor), the effect of fuel type is -0,268 (Premium), and the type of spark plug is -0,018 (standard spark plug), so the most influential variable on CO gas output is the fuel system using the Carburetor.
Highlights
Tests are carried out to determine the greatest effect on exhaust gas Carbon monoxide (CO), from the vehicle fuel system, the type of fuel used and the type of spark plug used
Temperature sensor will report the cold engine injection system, mixing fuel and air is done by the temperature so that the ECU instructs the injector to injector on the orders of the ECU which considers enrich the gasoline mixture
The design of the experiment is based on the factorial design method, where there are 3 variables which are determined by 2 testing limits (‘-‘ and ‘+ ')
Summary
The fuel system, the type of fuel and the type of spark plugs, are important of a motorized vehicle. Comparison of the volume of fuel and the air entering the combustion chamber, greatly determines the output of combustion (exhaust gas). Tests are carried out to determine the greatest effect on exhaust gas Carbon monoxide (CO), from the vehicle fuel system, the type of fuel used and the type of spark plug used. Community knowledge of variables that produce CO gas is very necessary This is to anticipate the possibility of an accident due to exhaust gas CO. With this knowledge, it is expected that people can choose the type of vehicle and the type of fuel that will be used
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