Papers by Author: Yue Hao Luo

Abstract: It is well-known that sharkskin surface has the effect of inhibiting the occurrence of turbulence and reducing the wall resistance, however, the drag reduction mechanism has developed into an urgent problem to be resolved now. According to the actual circumstance, for purpose of obtaining the best drag-reducing efficiency, the biomimetic sharkskin micro-grooved surface is designed according to the relevant literatures and research achievements, and numerical simulation of the micro flow field on the biomimetic sharkskin surface is carried out comprehensivley, which has the important significance to explain the drag reduction mechanism.

Abstract: Magnetron sputtering metallic or non-metallic materials on epoxy resin coating surface can effectively reduce the friction, improve the wear resistance and inhibit the abrasion, loss and so on. Sputtering Ti/C on the epoxy resin coating can modify the surface, it is proved that the friction can be reduced and wear resistance can be improved on different levels by the experimental results, and in this paper, the mechanism of friction reduction and wear resistance improvement is also investigated and researched comprehensively. By analysis, the layered structure produced by sputtering C can play an important role of lubricating, and the diamond film or diamond-like carbon film can exist on the coating surface, which can play an important role of wear resistance. This study lays the foundation for research on the modification of coating surface.

Abstract: The biomimetic highly-efficient drag reduction surface can be directly replicated by shark skin as biological template, and the pre cured micro-embossing technology is put forward aiming at the thermosetting materials. In the process of bio-replicated forming, the replication precision is one of the most important factors in evaluating the forming effect, and the convincing and reliable assessing method has become an urgent problem to be solved. In this paper, the new evaluating way on the basis of statistical method is put into application, which provide the new idea and method to study the forming quality and effect, and the replication-precision of single scale and regional scales is in comprehensive and deep analysis. In addition, the factors causing forming errors are also illustrated and discussed, which lay the foundation for further research.