Through the research of the simulation method of pipe bend forming in pipe-bender, it have important purpose for design and development of new products of pipe forming.
通过对管材弯曲成形过程的数值模拟方法的研究，对管材成型产品的设计和新产品的开发具有重要的意义。
Aimed at effectively monitoring and managing indoor steam pipe network in thermal plant, mathematic model of steam pipe was constructed which based on exergy analysis method.
为了提高对某热力厂室内蒸汽管网的监测和管理，以火用分析方法为基础，建立蒸汽管网的数学模型。
The linear loss of sewage flowing in pipe is approximately equal to that of water pipe flow. So it's feasible to accept the method in use at present.
污水在管道内流动的沿程损失与清水流动时近乎相等，所以目前在管道水力计算中所采用的处理方法是可行的。
With combination of bi-directional difference method and FEM, the computation and comparison analysis on cooling effect of flexible pipe and black pipe in TGP are carried out.
利用双向差分法和有限元法相结合，对三峡大坝采用软冷却水管和黑铁管的冷却效果进行了计算与对比分析。
Using the dynamic Finite Element Method, the dynamic soil pressure distribution along the pipe periphery and the free vibration characteristics of the pipe are studied in this paper.
本文通过动力有限单元法对管周围土压力的动力作用分布和管子的自振特性进行了某些探讨。
The forming reason and solving method of stress - corrosion cracking for brazed joint of Band pipe is studied in this paper and compared with copper- copper pipe joint at the same conditions.
本文着重研究了邦迪管钎焊接头应力断裂的形成条件以及解决方法，并比较了铜管-铜管钎焊接头在相同条件下应力断裂情况。
Passing ball cleaning pipe technique is a very effective method to clean up the impurity, wax and filthy and to exclude the existing liquid in oil gas transmission pipe.
通清管技术在油气集输中是一种常用的用来清除管道内杂质、蜡、垢以及排空管道内存液的有效办法。
This is a reversal thinking operation concept against the pipe drilling method of casing pipe wall protection described in conventional books.
本方法与书本上所述的套管护壁跟管钻进方法有反向思维操作概念。
In the construction of excavated soft rock slope of highway roadbed, applied united shoring method of pressure-diffusing-type anchorage cable, anchored pipe-pipe, frame foundation beam.
在高速公路路基开挖软弱岩层边坡施工中，采用以压力分散型锚索为主、锚管桩和框架梁等联合支护方案。
At present the large diameter slurry pipe jacking is the preferred construction method in project of urban water supply and drainage pipe and electric power pipe.
目前，大直径泥水平衡顶管掘进已成为城市给排水水管、电力管线工程等首选的施工方法。
This paper expounds the direct embed construction of heat input pipe with big diameter, and its constructing method and quality control in the rebuilding of urban pipe network as well.
论述了大管径供热管道直埋施工，在城市管网改造中的施工方法和质量控制。
The results show that this method has a unique advantage in the pipe network, which enables the flow distribution and the diameter options in pipe network simultaneously.
结果表明，遗传算法在水力计算中有着独特的优势，它能使管网的流量分配和管径选择同时完成。
A method for assembling the exhaust pipe used for the compressor is characterized in that the iron ring of the exhaust pipe is welded on a shell of the compressor in a way of resistance welding.
本发明压缩机用排气管的装配方法，其特征在于上述排气管的铁环通过电阻焊方式焊接在压缩机的壳体上。
Pressure and 3-dimensional velocity distributions in the pipe section are measured. The causes of Lange measuring errors of section flow energy in the outlet pipe by conventional method are analyzed.
测量出水管断面水流压力和三维流速分布，分析常规方法测定断面水流能量误差较大的原因，提出利用五孔探针准确测定断面水流全压分布、积分平均计算断面单位能量的方法。
The arrangement off-load method of fix contact in pipe-type tap-changer is introduced. The optimum design of pipe-type off-load tap-changer of transformer is presented.
介绍了变压器用管形无励磁分接开关定触头的排列方式及管形开关的优化设计。
The arrangement off-load method of fix contact in pipe-type tap-changer is introduced. The optimum design of pipe-type off-load tap-changer of transformer is presented.
介绍了变压器用管形无励磁分接开关定触头的排列方式及管形开关的优化设计。
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