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The increasingly stringent vehicle emission constraints press on the car manufacturers to decrease in hydrocarbons quantities from evaporative emission system. Activated carbon canister has been used for 30 years to capture the gasoline vapors from fuel evaporative system whose most of vehicles are equipped. The newer amendments on Low-Emission Vehicle programs, known as LEV-II, recently adopted by...
In automotive applications the emission reduction and fuel consumption are relevant goals for manufactures so that several devices are introduce in the engine. One of such devices is Variable Valve Timing (VVT), modeled in this paper, that represents a complex multi physic system designed to control the intake camshaft: by opening and closing time of inlet and outlet valves are modified so that the...
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