Unsteady force measurements on propeller model in cavitation tunnels
Object and purpose of research. This paper discusses longitudinal unsteady force dynamometer for cavitation tunnel tests. The purpose of the study is to improve metrological performance of the dynamometer and extend the scope of its application. Subject matter and methods. The study is based on met...
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| Autores principales: | , |
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| Formato: | article |
| Lenguaje: | EN RU |
| Publicado: |
Krylov State Research Centre
2021
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/288d82cca4554a2aa549e9a2b3c9c432 |
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| Sumario: | Object and purpose of research. This paper discusses longitudinal unsteady force dynamometer for cavitation tunnel tests. The purpose of the study is to improve metrological performance of the dynamometer and extend the scope of its application.
Subject matter and methods. The study is based on metrological parameters of dynamometers and model test data available with KSRC Large Cavitation Tunnel (LCT).
Main results. Development, manufacturing, certification and commissioning of longitudinal unsteady force dynamometer based on piezoceramic load cell with improved metrological performance making it applicable for model testing of not only propellers but also other types of marine propulsors.
Conclusion. Dynamometer with piezoceramic load cell offers more accurate measurement of unsteady forces, wider band of measurement frequencies, as well as wider spectrum of possible applications and lower susceptibility to interference. |
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