封头
- 网络head;end socket;Dish head
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该工艺主要材料包括对拉螺栓、PVC套管、塑料封头、竖骨架、铝合金骨架等。
The main materials of this technology are split bolt , PVC casing , plastic head , vertical skeleton and aluminum alloy skeleton .
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爆炸焊不锈复合钢制压力容器和封头RT波状裂纹的试验研究
The Researching Report of Undulance ' Crack ' on RT Negation of Explosive Welding Stainless Complex Steel Pressure Vessel and Head Plate
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压力容器封头非测地线缠绕的CAD
A CAD program for non-geodesic winding on the mandrels of the pressure vessel
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采用ANSYS的烘筒S形封头优化设计及其参数化分析
Optimum design and development of parameterized analysis program for S-head structure of drying cylinder based on ANSYS
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基于ANSYS压力容器筒体与平板封头焊缝残余应力有限元分析
The Finite Element Analysis on the Weld Residual Stress of the Pressure Vessel Cylinder and Plate Dome Based on ANSYS
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界面脱胶圆夹杂对SH波散射的远场解椭球体的封头,椭圆封头
Far field solution of SH-wave scattered by an interface cylindrical inclusion with disconnected curve
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本文在ANSYS软件上经二次开发后,对带直边半球形厚壁封头的冲压成形过程进行了二维有限元模拟。
In this paper , the forming process of the spherical thick wall head hot stamping was simulated with ANSYS using 2-dimensional finite elements .
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文摘:围绕k值展开讨论,提出一种符合现行标准、规程要求的标准椭圆封头拼接焊缝的射线探伤工艺。
Abstract : by a discussion on K value , the radiographic technology for thebutt welds in standard elliptic sealing heads consistent with current standards and regulations is presented .
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压力容器设备中法兰与筒体、法兰与接管连接处的C类焊缝和封头端部、筒体上马鞍形的D类焊缝是最为不规则的且施焊工艺最为复杂的焊缝。
In pressure vessels , C and D seam which are located at the joint of flange , tube-shape object , jointed tube , and head of pressure vessels separately are the most complex seams .
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C型封头的不均匀参数SU和最大流速与最小流速之比θU最低;
Flow maldistribution parameter S_ ( U ) and the ratio of the maximum velocity to the minimum velocity θ _U of the type C header configuration were minimum .
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对以NA封头的“PMR型”聚酰亚胺溶液中产生的沉淀物进行了分离和鉴定。
The precipitate formed form NA capped PMR ( polymerization of the monomer react'ants ) polyimide solution was isolated and identified .
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从实验结果中可以看出复合材料CNG气瓶在压力加载下的轴向应变和环向应变主要发生在筒身部分,具有较好的对称性,而且较为均匀,在封头和过渡区域的应变比较小。
With the experiment results , we can see axis-orientation strain and annulus-orientation strain are mainly happened around middle part of the cylinder .
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利用粒子图像测速仪(PIV),对板翅式换热器封头结构改进前、后的流场进行了可视化研究分析。
Flow characteristics of flow field in the header of a plate-fin heat exchanger were investigated with particle image velocimetry ( PIV ) .
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用TVD格式数值模拟了带平板封头爆炸容器的内部爆炸载荷的分布规律。
Numerical simulation was conducted to study the internal blast loading of explosion chamber with flat end using TVD schemes .
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采用钢塑性有限元法,使用ANSYS有限元分析软件模拟了半球形厚壁封头冲压成形的整个过程,分析了成形后封头壁厚的变化规律。
Finite element analysis method of steel plasticity adopted , the drawing process of the head with thick wall was simulated with ANSYS software and the change rule of formed wall thickness was analyzed .
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结果表明:对于前封头,由于含有Al2O3粒子而引起的驻点区热增量因子达4~6,计算得到的最大热流与实测热流接近;
The results show that , for the fore dome , the calculated maximum heat flow agree with the measured maximum heat flow and the augmentation factor can be 4 ~ 6 ;
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标准椭球形封头螺纹烟管DZL系列锅炉设计
Design of Threaded Flue Tube DZL Series Boilers with Standard Elliptical Heads
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依据我国JB4732-95《钢制压力容器&分析设计标准》,运用ANSYS软件对高压焊接试验舱封头斜管进行有限元应力分析设计。
In this paper , finite element stress analytical design of end socket chute on high pressure welding tester is carried out using ANSYS software according to Analytical Design Standards for Steel Pressure Vessels ( JB4732 - 95 ) .
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得到了不同封头结构的物流分配不均匀特性与雷诺数之间的关系式.利用粒子图像测速仪(PIV),对板翅式换热器封头结构改进前、后的流场进行了可视化研究分析。
Flow distributions of header configurations in plate-fin heat exchangers with particle image velocimetry ( PIV ) The correlations of the flow maldistribution characteristic with Reynolds number are obtained under different header configurations .
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对于平面缠绕封头,用Rung-Kutta方法和Simpson方法给出了数值解,从而实现了表格化。
For plane-wound head contour , numeral solution , which can be to make table , are derived by the Rung-Kutta method and the Simpson method .
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针对目前椭圆形封头圆管插件展开CAD需要近似解析推导公式和参数化编程的情况,基于AutoCAD和UG工具软件进行二次开发,提出其圆管插件展开CAD的两种新方法,并给出应用实例。
Considering the actual method for drawing the developmental figure of the cylindrical branch of pipes on ellipsoidal head requiring analytical deriving and parametrical programming , two design methods based on AutoCAD and UG respectively are introduced , and a practical example is given too .
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本文从标准椭圆封头在内压P作用下的受力分析出发,对GB150-1998《钢制压力容器》中关于椭圆封头开孔补强的有关条款的合理性进行了探讨,并提出了作者的建议。
Based on the internal force analysis of the ellipse heads to internal pressure , some rationality of GB150 & 1998 《 The Stell Pressure Vessel 》 for the reinforcement of openings were discussed in the paper .
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[方法]通过金相、SEM和EDAX等先进显微分析技术及化学成份和机械性能检测等方法对封头-进口铁素体不锈钢棒进行检验和分析。
Using Metallographic , SEM , EDAX and other chemical and mechanical methods , imported ferrite stainless steel bars are detected and analyzed . It is found that there are a large number of sulfured manganese inclusions inside the sample bars .
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介绍了在聚酯反应器夹套封头/端盖焊接上采用MAG焊的一些情况,着重介绍了如何从焊接工艺、焊接设备、焊接材料方面解决飞溅和成形问题。
This article introduces the welding on head / end cover of reactor , especially talks about how to solve the problems of spatter and shape from the aspects of welding process , welding equipment , welding materials .
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并采用局部热负荷平衡型通道排列模型,来分析板翅式换热器通道排列的好坏。最后,本文运用商业软件FLUENT对板翅式换热器封头结构内部流场进行了稳态数值模拟。
The passage design model of local heat load balance is adopt . The author analyses which is The best passage arrangement . Finally , In this thesis , The header structure Fluid field distribution of Plate-fin heat exchanger is simulated using the commercial CFD code FLUENT .
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通过对HP295焊瓶钢制作的钢瓶封头缺陷进行分析,找到了影响钢瓶封头拉延性能的原因。
The influencing factors of drawing properties for the cylinder end-heads were analyzed by checking out the defect of cylinder end-heads which made of HP295 steel .
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稍晚的主泵轴封泄漏则将压力壳下封头损坏的时间推迟约3000s。
Contrarily , the vessel breach is predicted to be delayed about 3000 s by later RCP seal leak .
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与GB150-1998《钢制压力容器》规定的锥形封头变径段进行比较,得出椭球壳变径结构具有较好的承载能力。
Compared with the knuckle of toriconical heads prescribed in the National Code " GB-1998 , STELL PRESSURE VESSELS ", the knuckle of ellipse shell has better pressure-enduring capacity .
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1台体积为50m3低压搪瓷泄料槽筒体和封头连接部位,由于搪瓷化过程产生非自由热变形区,对其应力状况进行了分析测试。
The stresses at the non free thermal deformation zone of a 50 m 3 enamel vessel were tested . The deformation occurs in the joints of the shell and the head .
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概述了新型FWX20容器封头旋压机的运动及结构特点和主要技术性能。
The motion situation , structure feature and main technique properties of a new type of rotary pressure machine for forming container head ( FWX20 ) are introduced in this paper .