Consideration of the Interaction of Lateral and Torsional Vibrations to Improve the Safe Operation of Reciprocating Compressors**********

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Reciprocating compressors are widely used in the Canadian oil and gas industry. The safe operation of this equipment is essential for the safe and efficient production of oil and gas. A reciprocating compressor experiences two or more types of mechanical loadings that are repeated millions of times during operations. Compressors may fail much earlier than expected due to fatigue caused by multiple mechanical vibrations. The purpose of the proposed project is to determine the interaction of different types of vibrations in order to reduce the mechanical failures of reciprocating compressors.** The project will assess the stress and deformation regime when a reciprocating compressor experiences two or more types of vibrations. These vibrations interact with each other and the compounded effects may cause a fast mechanical failure much earlier than expected. Using mathematical formulations, a computer model and tool will be developed to account for the combined effects of multiple vibrations. Therefore, the maximum stress and crack propagation rate for a variety of input conditions, including axial, lateral and torsional vibrations, will be precisely predicted.** The novelty of this project is to translate cutting-edge research into an industrial tool for the safe design of new reciprocating compressors and for the safe operation of existing ones. The project is proposed by a Calgary-based R&D company that specializes in vibration analysis of reciprocating compressors. The company has been developing a specialized software for vibration analysis to complement existing commercial offerings. The project will develop an effective tool for enhanced vibration analysis that will be implemented in the company's software. The outcome will be improved market competitiveness for the company and safer operations of the compressors for Canadian oil and gas industry. In addition, graduate students will gain an excellent understanding of industrial challenges from working on this project.********