The FEEDER S-Bend Mechanical Performance Test And System

On the human history of energy utilization,in order to survival and develop ment to find and develop new sources of energy,which has experienced firearm,steam,electricity to the application of nuclear energy four important stages of de velopment.Nature of fossil fuel resources such as coal,oil,natural gas and othe r non-renewable energy more with less,in order to the sustainable development of the human offspring,must be found to meet the growing demand of newener gy sources.Controlled nuclear fusion device of energy is stable,reliable and poll ution-free product,makes the study of controlled nuclear fusion device is very i mportant strategic significance.The world's largest nuclear fusion reactor(ITER),is a difficult problem beca use of its huge cost,long period of research and development,and technical bott lenecks.Therefore,the development of international cooperation means that this plan will be able to solve the two important problems of human energy and poll ution.The feeder system not only provides electricity to ITER,but also includes t he transmission system,cooling system,diagnostic analysis system and control sy stem of the measuring signal.The Chinese academy of sciences plasma is respon sible for most of the development of the magnetic feeder system.The curve of S bend is widely distributed in important parts of feeder syste m,and the function of protecting feeder system is stable.S bend structure can a bsorb the displacement because of temperature change is big,S comprehensive m echanical properties of the bending deformation caused by temperature change is big big problem,must set up a test system for mechanical performance testing S bend.The purpose of this project and the main content of this project are the the oretical analysis and pre-graduate work of the s-curved superconducting bus in th e feeder system.(1)Tubing when forming the relationship between equivalent stress and strai n,bending springback were derived and the relation between the bending radius between before and after unloading,on the basis of the simplified stress strain c urve.(2)According to the design of the parameters of the shape of the curve,th e parameters of the bending moment and the relationship between the bending ra dius of the unloader were calculated.(3)According to the test requirement,the mechanical performance test platf orm conceptual design,the ANSYS finite element simulation analysis for the s-b ending test is carried out.(4)A mechanical performance test platform is developed,using 10 mm?100 mm trip adjustable cylinder as a power source,through the spherical rod driv e S superconducting busbar bending along the axis of the straight line reciprocati ng movement.Use of welding bellows telescopic features,design of scalable ins ulation structure can satisfy the demands of S bending vacuum low temperature t est,the tensile displacement and stretching frequency adjustable,test proved that the device can effectively meet S superconducting busbar bending mechanical test requirements.