Experimental and Numerical Study of Stall Flutter in a Transonic Low-Aspect Ratio Fan Blisk
Experiments are performed on a modern design transonic shroudless low-aspect ratio fan blisk that experienced both subsonic/transonic and supersonic stall-side flutter. High-response flush mounted miniature pressure transducers are utilized to measure the unsteady aerodynamic loading distribution in...
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| Veröffentlicht in: | Journal of turbomachinery 2004-01, Vol.126 (1), p.166-174 |
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| container_title | Journal of turbomachinery |
| container_volume | 126 |
| creator | Sanders, A. J Hassan, K. K Rabe, D. C |
| description | Experiments are performed on a modern design transonic shroudless low-aspect ratio fan blisk that experienced both subsonic/transonic and supersonic stall-side flutter. High-response flush mounted miniature pressure transducers are utilized to measure the unsteady aerodynamic loading distribution in the tip region of the fan for both flutter regimes, with strain gages utilized to measure the vibratory response at incipient and deep flutter operating conditions. Numerical simulations are performed and compared with the benchmark data using an unsteady three-dimensional nonlinear viscous computational fluid dynamic (CFD) analysis, with the effects of tip clearance, vibration amplitude, and the number of time steps-per-cycle investigated. The benchmark data are used to guide the validation of the code and establish best practices that ensure accurate flutter predictions. |
| doi_str_mv | 10.1115/1.1645532 |
| format | Article |
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The benchmark data are used to guide the validation of the code and establish best practices that ensure accurate flutter predictions.</description><subject>Applied sciences</subject><subject>Continuous cycle engines: steam and gas turbines, jet engines</subject><subject>Engines and turbines</subject><subject>Exact sciences and technology</subject><subject>Mechanical engineering. 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Machine design</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sanders, A. J</creatorcontrib><creatorcontrib>Hassan, K. K</creatorcontrib><creatorcontrib>Rabe, D. C</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><jtitle>Journal of turbomachinery</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sanders, A. J</au><au>Hassan, K. K</au><au>Rabe, D. C</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Experimental and Numerical Study of Stall Flutter in a Transonic Low-Aspect Ratio Fan Blisk</atitle><jtitle>Journal of turbomachinery</jtitle><stitle>J. 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| language | eng |
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| source | ASME Transactions Journals (Current) |
| subjects | Applied sciences Continuous cycle engines: steam and gas turbines, jet engines Engines and turbines Exact sciences and technology Mechanical engineering. Machine design |
| title | Experimental and Numerical Study of Stall Flutter in a Transonic Low-Aspect Ratio Fan Blisk |
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