Weight Optimisation and Burst Margin of Aero Engine Compressor Disc
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2017, Vol 5, Issue 6
Abstract
Rotating disks are heavy, highly stressed components used in gas turbine mainly due to over speed and operating temperatures. In this work compressor disc are concentrated. The objective of this work was to develop finite elemental prediction to find burst margin and mass reduction of compressor disc. Ansys APDL V17 is used for analysis. The FE method for mechanical analysis is used for the determination of burst margin and allowable mean hoop stress for high speed aero engine compressor disc for the speed of 14000 RPM and 15000 RPM at temperature of 400 C. The result shows that the magnitude of hoop stress is maximum. The burst margin for the compressor discs are predicted and obtained for 14000rpm and 15000rpm as 12% to 21% of ultimate tensile strength. Mass of the compressor disc has been reduced from 13kg to 11kg, by comparing all the cases.
Authors and Affiliations
Sai Prashanth R C, Dr. Yogananda A
Keywords
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- EP ID EP24546
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