Engine Cooling and Air Conditioning tests were performed using a sports utility vehicle with a V-6 engine. The original vehicle was equipped with an engine driven fan. This vehicle was modified by adding electric motor driven fans, air path sealing and advanced heat exchangers in a predetermined test configuration. Engine cooling performance and air conditioning performance were evaluated at each step. Identical grade load and idle tests were conducted with this vehicle at each step.The V-6 sports utility vehicle was selected due to its use of an engine driven fan. The grade load of 8.7% was selected due to off road use by the consumers.The results of the testing showed that engine cooling performance and air conditioning performance were improved by using electric motor driven fans, air path sealing and advanced heat exchangers. This improvement was demonstrated both on the grade and during idle immediately following the grade accordingly:
Engine Compartment Air Management for Engine Cooling and Air Conditioning System Performance
Sae Technical Papers
Passenger Car Conference & Exposition ; 1991
1991-09-01
Conference paper
English
Engine compartment air management for engine cooling and air conditioning system performance
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