| Along with the increasing intensity of human exploration of the ocean,unmanned underwater vehicle has been widely applied to marine inspection,monitoring and maintenance in the field,in order to prolong UUV the working time and distance,people have proposed many kinds of deployment and recycling mode to realize the transfer of energy supplement and information,including the use of the submarine as a platform for UUV deployment and recovery can not only ensure the concealment but also enhance the submarine combat advantage.But the actual deployment and recovery process,and the effect of submarine underwater unmanned vehicle flow interference and interference between each other on hydrodynamic performance will greatly influence the distribution and the recovery rate of success,so we need to make a detailed study before the implementation of the deployment and the recovery,and planning feasible distribution and the recovery path.In this regard,based on the CFD technology,the influence of the relevant parameters of the submarine and submarine torpedo tube and side hanging recovery device two deployment and recovery method for laying and recovery in UUV process and its flow field and their hydrodynamic performance,can be put in recovery mode,select the appropriate deployment for future design of appropriate deployment to provide reference and recovery device on the basis of.Firstly,based on the CFD method,the complex flow field around the submarine is simulated by using the cutting volume mesh technique in computational fluid dynamics software STAR-CCM+.First,numerical calculation of the longitudinal section of the ridge line in the submarine friction and pressure distribution,fairwater and tail pressure at different height distribution,and compared with the experimental data;then study the submarine in the uniform flow respectively do direct motion and oblique movement around the origin of the complicated flow field,through the study of the submarine sail and the tail vortex distribution in different sections of the cloth so as to provide a reference of recovery.Secondly,by using the overlapping grid technique in STAR-CCM+ and the motion model,the hydrodynamic performance and the flow field around the underwater unmanned underwater vehicle are simulated numerically.First,by setting the distance between differentUUV,study the effect of spacing on UUV recovery process performance,to determine the appropriate spacing;next movement form the establishment of ROV,using UUV motion model in STAR-CCM+,on the pitch,the motion form of torpedo recovery process,through the study of the whole recycling water dynamic process changes the flow profile of vortex,streamlines,vorticity distribution and changes of ROV and UUV of different cross section flow field distribution and change of the torpedo recovery process complex.Again,this paper uses overlapping grid technique in the STAR-CCM+ to mesh the process of submarine torpedo tube deployment flow,using the trajectory motion model in software,numerical simulation of different UUV deployment path,different initial UUV location under the torpedo tube deployment,placed by comparing the different path UUV deployment,UUV deployment under the different initial position of the entire recovery process of hydrodynamic change,distribution and change of flow profile,vortex flow line,thus laying causes analysis of fish detonator complex process and provides a reference for torpedo tube deployment.Finally,the flow field around the submarine side hanging type recovery process of mesh using the overlapping grid technique in STAR-CCM+,using the trajectory motion model in software,numerical simulation of different UUV recovery path,different initial UUV position lower hanging back recovery process,by comparing the different UUV recovery path,different UUV the initial recovery position of the entire recovery process of hydrodynamic changes,flow cross-section,vortex vorticity distribution and change,so as to analyze the causes of the complex process of side hanging type and provides a reference side hanging type recovery. |
