Emergency Gate Vibration of the Pipe-Turbine Model
The vibration behavior of an emergency gate situated on a horizontal-shaft Kaplan turbine is studied. The analysis and transfer of the dynamic movements of the gate are quite complex. In particular the behavior is examined of the emergency gate for the case when the power unit is disconnected from t...
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| Format: | Article |
| Language: | English |
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Wiley
2000-01-01
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| Series: | Shock and Vibration |
| Online Access: | http://dx.doi.org/10.1155/2000/406976 |
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| _version_ | 1832560775919566848 |
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| author | Andrej Predin Roman Klasinc |
| author_facet | Andrej Predin Roman Klasinc |
| author_sort | Andrej Predin |
| collection | DOAJ |
| description | The vibration behavior of an emergency gate situated on a horizontal-shaft Kaplan turbine is studied. The analysis and transfer of the dynamic movements of the gate are quite complex. In particular the behavior is examined of the emergency gate for the case when the power unit is disconnected from the system or there is a breakdown of the guide vane system at the moment when the maximal head and capacity are achieved. Experimental-numerical methods both in the time domain and in the frequency domain are employed. Natural vibrations characterize a first zone, corresponding to relatively small gate openings. As the gate opening increases, the vibration behavior of the gate becomes increasingly dependent on the swirl pulsations in the draft tube of the turbine. Finally, the data transfer from the model to the prototype by use of the dynamic similitude law is discussed. |
| format | Article |
| id | doaj-art-ed3e30c5bde14a308c68ec2ad4a9dc8a |
| institution | Kabale University |
| issn | 1070-9622 1875-9203 |
| language | English |
| publishDate | 2000-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Shock and Vibration |
| spelling | doaj-art-ed3e30c5bde14a308c68ec2ad4a9dc8a2025-02-03T01:26:45ZengWileyShock and Vibration1070-96221875-92032000-01-017131310.1155/2000/406976Emergency Gate Vibration of the Pipe-Turbine ModelAndrej Predin0Roman Klasinc1Faculty of Mechanical Engineering, University of Maribor, Smetanova 17, SI-2000 Maribor, SloveniaDepartment of Hydraulic Structures and Water Resources Management, Technical University Graz, Stremayrgasse 10/II, A-8010 Graz, AustriaThe vibration behavior of an emergency gate situated on a horizontal-shaft Kaplan turbine is studied. The analysis and transfer of the dynamic movements of the gate are quite complex. In particular the behavior is examined of the emergency gate for the case when the power unit is disconnected from the system or there is a breakdown of the guide vane system at the moment when the maximal head and capacity are achieved. Experimental-numerical methods both in the time domain and in the frequency domain are employed. Natural vibrations characterize a first zone, corresponding to relatively small gate openings. As the gate opening increases, the vibration behavior of the gate becomes increasingly dependent on the swirl pulsations in the draft tube of the turbine. Finally, the data transfer from the model to the prototype by use of the dynamic similitude law is discussed.http://dx.doi.org/10.1155/2000/406976 |
| spellingShingle | Andrej Predin Roman Klasinc Emergency Gate Vibration of the Pipe-Turbine Model Shock and Vibration |
| title | Emergency Gate Vibration of the Pipe-Turbine Model |
| title_full | Emergency Gate Vibration of the Pipe-Turbine Model |
| title_fullStr | Emergency Gate Vibration of the Pipe-Turbine Model |
| title_full_unstemmed | Emergency Gate Vibration of the Pipe-Turbine Model |
| title_short | Emergency Gate Vibration of the Pipe-Turbine Model |
| title_sort | emergency gate vibration of the pipe turbine model |
| url | http://dx.doi.org/10.1155/2000/406976 |
| work_keys_str_mv | AT andrejpredin emergencygatevibrationofthepipeturbinemodel AT romanklasinc emergencygatevibrationofthepipeturbinemodel |