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| Holtrop-Mennen 方法× | 叶素动量理论× | |
|---|---|---|
| 领域 | 航空航天 | 航空航天 |
| 方法族 | Process / pipeline | Process / pipeline |
| 起源年份≠ | 1982 | 1889 |
| 提出者≠ | Jelte Holtrop, Gert Mennen | William Froude, Heinrich Glauert |
| 类型≠ | Prediction method | Analysis method |
| 开创性文献≠ | Holtrop, J., & Mennen, G. G. J. (1984). An approximate power prediction method for fast monohull ships. International Shipbuilding Progress, 29(335), 166–170. link ↗ | Froude, W. (1889). On the elementary relation between pitch, slip, and propulsive efficiency. Transactions of the Institution of Naval Architects, 30, 94–103. link ↗ |
| 别名 | Holtrop method, Mennen method, ship resistance prediction | BEM theory, rotor performance prediction, actuator disk method |
| 相关 | 3 | 3 |
| 摘要≠ | The Holtrop-Mennen Method is an empirical regression-based technique for predicting total ship resistance from geometric parameters and operating conditions. Developed by Jelte Holtrop and Gert Mennen in 1982, the method decomposes total resistance into friction, pressure, wave-making, and form drag components, each estimated from ship dimensions, hull shape, and speed. Widely adopted in maritime engineering, the Holtrop-Mennen method remains the industry standard for preliminary ship design and propulsion power estimation. | Blade element momentum theory (BEM) is a fundamental method for analyzing rotor performance by combining blade element aerodynamics with momentum conservation. Developed initially by Froude and refined by Glauert and Leishman, BEM decomposes a rotor into radial blade elements, computes local aerodynamic forces, and sums contributions to predict total thrust, torque, power, and efficiency. BEM is standard for helicopter, wind turbine, and propeller design. |
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