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An Experimental Study of Power Losses of an Automotive Manual Transmission

Szweda, Timothy Andrew
http://rave.ohiolink.edu/etdc/view?acc_num=osu1217347492

Abstract Details

2008, Master of Science, Ohio State University, Mechanical Engineering.
In this study, the influence of a variety of operating conditions on the power losses and efficiency of an automotive manual transmission was investigated experimentally. An experimental methodology was developed to measure power losses of a manual transmission under both loaded and unloaded conditions while all operation parameters were controlled tightly. A set of fixtures and instrumentation were designed and implemented to apply the experimental methodology to a six-speed, manual transmission from a front-wheel-drive passenger vehicle. Experimental parametric studies were performed to quantify the influence of operating conditions including speed, nominal torque transmitted, oil temperature and oil volume on load-dependent (mechanical) and load-independent (spin) power losses of the transmission. Analysis of the power loss data revealed that all four of these parameters influenced the components of the transmission power loss significantly, and specific conclusions were drawn in order to aid attempts to increase overall transmission efficiency. The experimental database formed as a result of this study is extensive so as to allow a complete validation of transmission power loss models.
Ahmet Kahraman (Advisor)
James Schmiedeler (Committee Member)
110 p.
Mechanical Engineering
manual transmission; power losses; efficiency; spin losses; mechanical losses

Recommended Citations

Citations

  • Szweda, T. A. (2008). An Experimental Study of Power Losses of an Automotive Manual Transmission [Master's thesis, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1217347492

    APA Style (7th edition)

  • Szweda, Timothy. An Experimental Study of Power Losses of an Automotive Manual Transmission. 2008. Ohio State University, Master's thesis. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=osu1217347492.

    MLA Style (8th edition)

  • Szweda, Timothy. "An Experimental Study of Power Losses of an Automotive Manual Transmission." Master's thesis, Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=osu1217347492

    Chicago Manual of Style (17th edition)

osu1217347492
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© 2008, all rights reserved.
This open access ETD is published by The Ohio State University and OhioLINK.