热胀冷缩

基于热胀冷缩原理的TACR压力管与排管间非能动热开关设计

Design of Passive Heat-Switch between Pressure Tube and Calandria Tube Based on the Principle of Metal Expand on Heating and Contract on Cooling of TACR

组织结构均匀，热胀冷缩系数小。

Theganizational structure is even the expansion shrinkage coefficients are small .

热胀冷缩时摩擦产生的活荷载。

LL7 Friction load originating from thermal expansions and contractions .

温度场产生的应力，使得路面热胀冷缩。

Temperature field produces stress , making the pavement heat bilges cold shrink .

老师告诉学生一个真理，所有的东西都热胀冷缩。

The teacher told students that all things expand from the heat and contract from the cold .

新型固体热胀冷缩综合演示仪与相关物理原理的讨论

Discussion on new-type colligation demonstration meter on thermal expansion and contraction of solid and exploring of physical principle

翻译：老师：我们都知道热胀冷缩的道理。

Teacher : We all know that heat causes an object to expand an cold cause it to contract .

本实用新型不受热胀冷缩的影响，使用寿命长。

The utility model is not affected by hot expansion and cold contraction , and has a long service life .

主要用在蒸汽管道上面，补偿蒸汽管道因热胀冷缩产生的位移。

Mainly used in steam pipe above , the compensation steam pipe for heat bilges cold shrink from the displacement .

由伽辽金方法得到了弹性直杆热胀冷缩状态下受均布简谐激励的非线性振动方程。

Applying Galerkin principle , the vibration equation of the elastic straight bar under thermal expansion with harmonic excitation is obtained .

分支接头结构合理并用先进的工艺制作，接触电阻极小，不受热胀冷缩影响。

Branch splice has less contact resistance and don 't change with temperature because of its reasonable design and advanced process .

高层钢结构框架安装中，由于钢材热胀冷缩强烈，所以天气、温度等条件影响很大。

Temperature and weather has great influence in steel structure because that the steel has the ability of great deformation when temperature changes .

这种风管连接采用具有伸缩性的连接件，安装方便，可以满足热胀冷缩的要求。

The flexible connecting pieces used for interconnecting the air ducts are installed easy , and meet the requirements for thermal expansion or contraction .

盲板阀不得承受管道热胀冷缩或其他原因发生的外力对其产生推拉、扭曲作用。

The valve can not bear the push , pull and torsion action generated by the heat-expansion and cold-contraction of pipe or other reason .

所以要根据客户的制作要求做出的产品有一定的任性这样热胀冷缩就不会分离了。

According to the customer 's production requirements to make the products have a certain willful such heat expansion and cold contraction will not separate .

它采用热敏蜡的热胀冷缩性能来控制阀芯的开启与关闭。

By adopting the expansion and contraction property of the thermo-sensitive wax , the temperature control valve controls opening and closing of the valve core .

对于热电器件而言，热胀冷缩产生的机械应力是不可能完全消除的，因此可靠性不容忽略。

For TE device , mechanical stress caused by Heat bilges cold shrink is not be completely removed , so the work reliability cannot be ignored .

热胀冷缩现象是绝大多数物质的共性，可以用线膨胀系数这一物理量来对其进行描述。

" Expansion on heating and contraction on cooling " is the most common phenomenon of materials , which can be described by linear expansion coefficient .

其工作原理是根据不同材料的热胀冷缩性能不同进行的，结构总长度在20~40mm之间，仅由3部分组成。

The cryogenic heat switch worked on the principle of different thermal expansions has only three parts and its total length is between 20 mm and 40 mm .

采用特殊的封装和安装技术，消除了因线圈绕组铜质漆包线的热胀冷缩所造成的温度与应变交叉敏感。

And with special packaging and installation , we eliminate the problem of cross-sensitive temperature and strain caused by expand with heat and contract with cold of coil winding .

由于喷涂线呈非直线分布，喷涂材料热胀冷缩产生的应力不会导致填充结构变形。

As the spray coating line is in the non-linear distribution , the stress of a spray coating material due to thermal expansion and contraction can not deform the filling structure .

文章就几种应用热胀冷缩法进行安装和拆卸的实例进行分析，叙述其技术要点，找出其理论估算公式，为在施工前验证工程可行性提供了理论依据，有利于提高维修效率。

It narrates the main points of technique , finding out the theoretical estimate formula , providing the theoretical basis for the feasibility of the engineering test and promoting the repair efficiency .

采用钢轨弹力紧固装置和钢轨铝热焊技术，减少钢轨接头，克服钢轨热胀冷缩带来的弊端，使得行车在钢轨上运行平稳可靠。

Thermit welding and elastic fastening device can reduce the number of joints , overcome the thermal expansion and cold shrinkage of rails , and make the operation of traveling crane smooth and steady .

板材的激光诱导无模成形实质上是基于材料的热胀冷缩特性、以高能激光为热源的一种热应力自然塑性成形方法。

Laser induced dieless forming of metal sheet is the thermal stress natural plastic forming , which is base of the performance of flatulence due to heat and shrink , using the laser induce the internal stress .

不管是打结式炉衬，还是装配式炉衬，长期在高温下工作都会发生变化（主要是热胀冷缩和氧化）。

No matter it is knot type furnace lining or fabricated furnace lining , when for long time working under the high temperature it is certain to change ( mainly is expansion and contraction or oxidation ) .

结合在热力管道设计中，常遇到固定管道热胀冷缩问题，从理论上进行推导求证，并提出解决办法及补偿器选择方案。

In light of the problems of heat expansion and cold contraction frequently encountered in the design of the heat supply pipeline the solutions and compensator selection plan are put forward through appropriate theoretical derivation and verification .

热胀冷缩的道理谁都懂得，过热的水温会令毛孔张得很大，长久下来反而会造成毛孔粗大。

Heat bilges cold everybody understands the reason that shrink , the pore of water Wen Huiling of overheat piece very big , come down for a long time to be able to cause pore instead bulky .

温度：保存葡萄酒最忌讳的是温度的强烈变化，瓶塞热胀冷缩，木塞的封存效果丧失，导致氧化。

Temperature : The bad condition for store wine is strong change of the temperature , the bottle plug expands with heat and shrink with cold , wooden plug 's effect will be lost , then caused oxidizing .

金属波纹管膨胀节作为一种挠性部件，用以补偿因热胀冷缩、机械位移或振动引起的管线、设备等尺寸变化，已广泛用于国民经济的各个部门。

Metal bellows expansion joint is the flexible part used to absorb dimensional changes caused by thermal expansion or contraction or reduce vibration of a pipeline and equipments . It is currently used in various national economy sectors .

从煅烧回转窑运行过程中热胀冷缩引起砖缝的变化，以及钢筒体对砖产生的应力等方面，分析窑口掉砖的原因。

The causes of the problem of kilneye brick dropping has been discussed based on the changes of brick gaps caused by the expanding with heat and contraction with cold during the operation of the calcination rotary kiln .