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Compressed Air Energy Storage for Vehicle Start-Stop and Launch Assist

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posted on 2012-12-05, 00:00 authored by Andrew Nugent Balhoff
Vehicle hybridization is an increasingly pursued strategy for improving fuel economy and lowering emissions. In an effort to provide a low cost and environmentally friendly system, compressed air energy storage (CAES) was pursued as an alternative to current hybrid systems. A driving simulator was created to predict areas for potential performance gains by use of the CAES system. Engine start-stop (ESS) and launch assist (LA) were considered as two potential methods for energy reintroduction. A pilot study was conducted over a range of vehicle speeds and traffic patterns that are provided for standard government testing purposes. Based on this study, the modeled CAES system was optimized to provide for necessary power flow and storage for the previously identified beneficial scenarios. Results show ESS benefits for schedules with numerous vehicle stops and LA benefits over all schedules considered.

History

Date Modified

2017-06-05

Defense Date

2012-11-30

Research Director(s)

Dr. James Schmiedeler

Committee Members

Dr. William Goodwine Dr. Michael Stanisic

Degree

  • Master of Science in Mechanical Engineering

Degree Level

  • Master's Thesis

Language

  • English

Alternate Identifier

etd-12052012-155146

Publisher

University of Notre Dame

Program Name

  • Aerospace and Mechanical Engineering

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