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Technical Paper

Throttle Body Design for Optimum Driver Feedback

2003-06-23
2003-01-2278
The airflow through a standard automotive throttle body is not exactly proportional to the displacement of the accelerator pedal. Therefore, another method is needed to open the butterfly valve in order to ensure that airflow through the throttle body is metered equal to pedal displacement. This paper finds that the implementation of a cam-type pulley is necessary to achieve this prescribed goal.
Technical Paper

Intake Design for Maximum Performance

2003-06-23
2003-01-2277
The design of a race engine intake system involves many design considerations. Two very important areas of design are the intake manifold's volume and geometry. In considering these variables there are several different possible intake configurations. Such configurations will include single and dual plenum designs, as well as volume transitions. Dynamometer testing objectives will test different intake designs for the best overall engine power by comparing the areas under the engine power curve. Of the four intakes tested, the 2003 intake was found to make the best overall power.
Journal Article

Development of Advanced Braking System for Hybrid Sports Cars

2016-09-18
2016-01-1923
An advanced braking system had to be developed for a next-generation hybrid sports car with Sport Hybrid Super Handling All-Wheel Drive to achieve an intuitive brake feeling in a variety of driving conditions, ultimate track performance and reduction of CO2 emissions per vehicle. This paper outlines the integration of brake-by-wire with traditional high-performance braking hardware and describes the technology needed to achieve these goals. Key focus areas to generate these results were: brake feeling control, corner hardware specification considerations and brake cooling.
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