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Article: Sound check: making a vehicle sound good takes more than a good ear and lots of prototypes.(heavy-duty truck)
- Article from:
- Automotive Design & Production
- Article date:
- August 1, 2006
- Author:
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Copyright informationCOPYRIGHT 2006 Gardner Publications, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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"In this business, you're not only judged by how much noise you make, but how it sounds to the customer," says W. Jay Poole, director, Product Engineering, Tenneco (Lake Forest, IL; www.tenneco.com). Getting to that special sound used to take lots of experience, and almost as much trial-and-error testing of prototype exhaust systems, but those days are over. By using Gamma Technologies' (Westmont, IL) GT-Power one-dimensional engine simulation and gas analysis software, it's possible for Tenneco engineers to model the desired exhaust sound based on available parameters, and provide a number of options for the OEM to choose from. Tenneco modeled 200 mufflers for the ...
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