Investigate Blade Failure In Axial Compressor

Mohammad Asyraf, Omar (2009) Investigate Blade Failure In Axial Compressor. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This project presents the analysis blade of the axial compressor by using the Finite Element Method (FEM). The axial compressor is one of the important devices that always use in industry. The maintenance for the compressor and its parts is necessary in order to ensure that the compressor perform well. This need to be done for certain period that had been set. Sometimes, the compressor will have a problem or fail to perform well. There are many factors that cause the failure of this compressor. The one of the factor that may cause the failure is the damage of the component of the compressor. The problem for compressor to perform well will disturb the flow of the production in industry, thus will make the cost increase. To avoid this situation, the compressor and its components need to be service for every period that has been set. Since blade is the one of the main parts to generate the compressor this project will deal with analysis for the blade of axial compressor. Hope that this study will help to reduce failure of the blade which is one of the components of the axial compressor. The blade will be designed base on the actual dimension by using the Solidwork software, and then it will be exported in the MSC Nastran Patran software. The blade had been simulated in different of mesh or global length. The best result which has the lowest percentages of error was selected to undergo for further analysis. After undergo the simulation analysis with MSC Nastran Patran, the maximum stress was found to be 66MPa while the maximum displacement is 4 2.91 10 m − × . The approximation theoretical value for maximum stress which is 78.66MPa shows the 16% of percentage of error for the simulation with the Nastran Patran software. Lastly the factor of the safety for the blade was calculated and the value is 3.65.

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