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osu1337616576.pdf (933.14 KB)
ETD Abstract Container
Abstract Header
A Model to Predict Pocketing Power Losses in Spiral Bevel and Hypoid Gears
Author Info
Erkilic, Erdem
Permalink:
http://rave.ohiolink.edu/etdc/view?acc_num=osu1337616576
Abstract Details
Year and Degree
2012, Master of Science, Ohio State University, Mechanical Engineering.
Abstract
In this study, a computational methodology is proposed for prediction of power losses due to pocketing (pumping or squeezing)of oil at the mesh interfaces of spiral bevel and hypoid gears. The model employs an existing manufacturing cutting simulation procedure to define surface geometries of spiral bevel and hypoid gears cut through face-milling or face-hobbing processes. With the tooth surfaces defined, a novel hypoidal discretization method is proposed to define pockets of volume between the gear teeth in mesh along the face width and circumferential directions. With the volumes of each discrete pocket along with the exit areas and associated centroids as inputs, an existing fluid mechanics formulation that utilizes principles of conservation of mass, conservation of momentum and conservation of energy is used to compute load-independent power losses due to fluid pocketing. In the end, results of various simulations representative of typical automotive and aerospace conditions are presented to quantify pocketing losses within the operating speed and parameter ranges.
Committee
Ahmet Kahraman, PhD (Advisor)
Brian Harper, PhD (Committee Member)
Pages
82 p.
Subject Headings
Mechanical Engineering
Keywords
gears
;
hypoid
;
spiral bevel
;
power loss
;
load-independent
;
pocketing
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Citations
Erkilic, E. (2012).
A Model to Predict Pocketing Power Losses in Spiral Bevel and Hypoid Gears
[Master's thesis, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1337616576
APA Style (7th edition)
Erkilic, Erdem.
A Model to Predict Pocketing Power Losses in Spiral Bevel and Hypoid Gears.
2012. Ohio State University, Master's thesis.
OhioLINK Electronic Theses and Dissertations Center
, http://rave.ohiolink.edu/etdc/view?acc_num=osu1337616576.
MLA Style (8th edition)
Erkilic, Erdem. "A Model to Predict Pocketing Power Losses in Spiral Bevel and Hypoid Gears." Master's thesis, Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1337616576
Chicago Manual of Style (17th edition)
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Document number:
osu1337616576
Download Count:
2,680
Copyright Info
© 2012, all rights reserved.
This open access ETD is published by The Ohio State University and OhioLINK.