Large-scale structure hydrodynamic coefficient measuring device and method
A technology of hydrodynamic coefficient and large-scale structure, applied in the field of offshore oil machinery, can solve the problems such as the difficulty of combining the economy and accuracy of hydrodynamic coefficient well, the accuracy of hydrodynamic coefficient is not high, and the upflow area cannot be maintained, etc. Achieve the effect of reducing operating costs and risks, improving operating efficiency and safety factor, and reducing experimental costs
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[0044]In order to make the technical solutions and advantages of the present invention clearer, the exemplary embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than an exhaustive list of all the embodiments. And in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.
[0045]In the course of the invention, the inventor noticed that when a small boat was used to drag the model at a fixed speed to measure the hydrodynamic coefficient, the frontal area in the water could not be maintained, resulting in low accuracy of the measured hydrodynamic coefficient, which made the actual Engineering is misleading. At present, the method of connecting the four corners of the manifold model with springs is mainly used to measure the additional ...
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