Similarity Conditions and Criterions of Lifting Experiment System in Deep-sea Mining

Based on the hydrodynamics theory,starting with the similarity conditions of lifting experiment system in deep-sea mining,the relationships among the parameters are investigated and the conditions and criterions of geometric similarity,kinetic similarity and dynamic similarity for lifting experiment system are determined consequently by the means of mathematic analysis.The results show that the principal similarity criterion is Reynolds(criterion of dynamic similarity). During the experiment,velocity can be adjusted according to the range of Reynolds to achieve kinematic similarity.These results can be applied to laboratory construction and concrete experiment as theory foundation in future.