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Cost and weight optimization of a transport refrigeration compressor crankshaft.

Author(s) : SRINIVASA RAO Y., MURALI G., SRINIVASA U. S.

Summary

The main objective of this paper was to investigate weight and cost reduction opportunities for a transport refrigeration compressor crankshaft. These compressors are generally run by a diesel engine operating at nonuniform speeds and unlike Hermetic compressor shafts they tend to act differently based on the engine characteristics. Torsional characteristics of the system and bearing stiffness effects on the shaft stress are to be considered while analyzing these crankshafts. The objective being to outline the steps and various aspects considered and followed for the development of a cost and weight optimized and reliable crankshaft for transport refrigeration compressor. This study consists of five major areas: (1) dynamic load analysis; (2) static and cyclic stress analysis over complete cycle; (3) fatigue analysis and verification; (4) torsional analysis of engine-coupling and clutch-compressor system; and (5) dynamic balancing and balance weights topology optimization.

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Details

  • Original title: Cost and weight optimization of a transport refrigeration compressor crankshaft.
  • Record ID : 2010-1831
  • Languages: English
  • Source: 2008 Purdue Conferences. 19th International Compressor Engineering Conference at Purdue & 12th International Refrigeration and Air-Conditioning Conference at Purdue [CD-ROM].
  • Publication date: 2008/07/14

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