Spur-Gear-System Efficiency at Part and Full Load

Abstract

A simple method for predicting the part- and full-load power loss of a steel spur gearset of arbitrary geometry supported by ball bearings was developed. The analysis algebraically accounts for losses due to gear sliding, rolling traction, and windage in addition to support-ball-bearing losses. The analysis compared favorably with test data. A theoretical comparison of the component losses indicated that losses due to gear rolling traction, windage, and support bearings are significant and should be included along with gear sliding loss in a calculation of gear-system power loss.

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Document Details

Document Type
Technical Report
Publication Date
Feb 01, 1980
Accession Number
ADA081113

Entities

People

  • Neil E. Anderson
  • Stuart H. Loewenthal

Organizations

  • National Aeronautics and Space Administration

Tags

DTIC Thesaurus Topics

  • Army Aviation
  • Ball Bearings
  • Bearings
  • Boundary Layer
  • Diameters
  • Engineering
  • Equations
  • Flow Rate
  • Friction
  • Gear Teeth
  • Geometry
  • Lubricants
  • Lubrication
  • Mechanical Engineering
  • Surface Roughness
  • Surface Temperature
  • Test Methods

Readers

  • Calculus or Mathematical Analysis
  • Tribology (the study of the boundary interaction between sliding surfaces, lubrication, wear and friction).