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International Journal of Automotive Technology > Volume 9(4); 2008 > Article
International Journal of Automotive Technology 2008;9(4): 447-458.
ASSESSMENT OF THE INFLUENCE OF DIFFERENT COOLING SYSTEM CONFIGURATIONS ON ENGINE WARM-UP, EMISSIONS AND FUEL CONSUMPTION
A. J. TORREGROSA, A. BROATCH, P. OLMEDA, C. ROMERO
Universidad Politecnica de Valencia
ABSTRACT
One of the major goals of engine designers is the reduction of fuel consumption and pollutant emissions while keeping or even improving engine performance. In recent years, different technical issues have been investigated and incorporated into internal combustion engines in order to fulfill these requirements. Most are related to the combustion process since it is responsible for both fuel consumption and pollutant emissions. Additionally, the most critical operating points for an engine are both the starting and the warming up periods (the time the engine takes to reach its nominal temperature, generally between 80
Key Words: Cooling strategies, Emissions, Fuel consumption, Diesel engine
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