| dc.contributor | Asia Turbomachinery & Pump Symposium (2nd : 2021) | |
| dc.creator | Yusoff, Dasuki | |
| dc.creator | Nik Mohd, Nik Ahmad | |
| dc.date.accessioned | 2023-02-23T20:10:30Z | |
| dc.date.available | 2023-02-23T20:10:30Z | |
| dc.date.issued | 2021 | |
| dc.identifier.uri | https://hdl.handle.net/1969.1/197451 | |
| dc.description | Case Studies | |
| dc.description.abstract | 3MW back pressure steam turbines has experienced a common and repetitivemechanical failure for its dual port steam governor valve Fracture surfaceanalysis at the failed valve stem reveals a distinctive sign of fatigue breakageThe valve stem is highly subjected to distressed cyclic bending mode Sitevibration data gathering at the valve stem revealed some common peaks at230-290 Hz, 400-600 Hz and 800-1000 Hz Validated impact testing withFinite Element Analysis (FEA) modal and also unsteady Computational FluidDynamic (CFD) simulation had supported a good agreement for the failuremechanism Improvement was done through FEA optimization with valvemodification in order to allow sufficient separation margin between stemnatural frequency bending modes and steam flow vortex shedding frequencies | |
| dc.format.medium | Electronic | |
| dc.format.mimetype | application/pdf | |
| dc.language.iso | en | |
| dc.publisher | Turbomachinery Laboratory, Texas A&M Engineering Experiment Station | |
| dc.relation.ispartof | Asia Turbomachinery & Pump Symposia. 2021 Proceedings | |
| dc.title | CS29: Investigation & Solution of Steam turbine Governor Valve Repetitive Failure | |
| dc.type.genre | conference publication | |
| dc.type.material | Text | |
| dc.format.digitalOrigin | born digital | |
