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Rotor-coupling-rotor system of marine power plant will temporarily install on the rigid foundation for the delivery inspection, all the dynamic parameters are always satisfied with the design requirements; However, once it is installed on the real flexible foundation, rotor vibration of wide variable rotate speed get complicate because of the coupling between misalignment of isolator and dynamic meshing...
Cutting force is an important parameter in the design of bush reciprocating cutter. A reciprocating single blade cutting test equipment was made in this paper. Three factor and four-level complete test was done to study their influence on maximum cutting force. Three factors are sliding cutting angle, cutting edge angle, and crank speed. It was found that: the significant order of influence on maximum...
To achieve influence of underwater windmill's flow parameters and structure parameters-related changes with the hydrodynamic characteristics, an underwater windmill's additional contraction device is devised. According to the orthogonal experimental design, flow velocity, shrinking angle, locating range and outlet diameter are selected as four factors to carry out an L9 (34) orthogonal experiment...
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