2 Days
I.D.#C0243
Developing vehicles that achieve optimum fuel economy and
acceleration performance is critical to the success of any automotive
company, yet many practicing engineers have not received formal
training on the broad range of factors which influence vehicle
performance. This seminar provides this fundamental understanding
through the development of mathematical models that describe the
relevant physics and through the hands-on application of automotive
test equipment. Attendees will also be introduced to software used to
predict vehicle performance.
The course begins with a discussion of the road load forces that act
on the automobile (aerodynamic, rolling resistance, and gravitational)
followed by a review of pertinent engine characteristics. This
background information is then used to show how appropriate gear
ratios for a vehicle transmission are selected and to develop models
for predicting acceleration performance and fuel economy. The models
form the basis for the computer software used to predict vehicle
performance. Participants will also use an in-vehicle accelerometer,
GPS fifth-wheel, and an OBDII scanner to measure vehicle
performance. Attendees will receive a copy of the text book, Introduction to
Automotive Powertrains.
Learning Objectives
By attending this seminar, you will be able to:
Explain the basic operation of the components in an automotive
powertrainCalculate road loads on a motor vehicle
Select appropriate gear ratios for a given engine/chassis
combination
Predict the effect of gear selection, body design, and weight on the
fuel economy of a vehicle
Explain and utilize the mathematical models for predicting the
acceleration of an automobile
Explain and utilize the mathematical models for predicting the fuel
economy of an automobile
Use computer software for predicting vehicle fuel economy and
performance
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