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接触温度
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  contact temperature
     Contact temperature is one important working proprieties of friction pairs,there are no study on the contact temperature fields of rough surface contact at present.
     接触温度是评价摩擦副工作性能好坏的一个重要因素 ,对粗糙表面、特别是含磨屑粗糙表面接触温度场求解尚缺乏深入研究。
短句来源
     A contact model, which provides a method to calculate contact temperature between the particle and the surface of the tribopair, is presented.
     建立了颗粒与摩擦副表面接触时的接触模型,从而为求解颗粒与摩擦副接触时的接触温度提供了理论依据。
短句来源
     Survey and Determination of Contact Temperature and Friction Coefficient in Scoring Testing Simulate Cycloidal Drives
     摆线传动试验中接触温度和摩擦系数的测量
短句来源
     Based on contact temperature criterion, the calculation of maximum instantaneous flash temperature of spur gears is simplified through optimization of geometric parameters, including modification coefficients, cutter pressure angle and addendum coefficient.
     基于Blok接触温度准则,本文通过对包括变位系数、刀具压力角和齿顶高系数等几何参数的优化,简化了直齿轮最大瞬时闪温的计算过程;
短句来源
     A Contact Temperature Analysis on Rolling/Sliding Surfaces by the Boundary Element Method
     滚动-滑动表面接触温度解析中边界元方法的研究
短句来源
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  instantaneous temperature
     The results show that the instantaneous temperature of solder droplet when it reached the pad is mainly determined by the initial temperature.
     结果表明:对钎料熔滴到达焊盘瞬时的接触温度,熔滴初始温度是其主要影响因素,而高度变化对其影响不大。
短句来源
  “接触温度”译为未确定词的双语例句
     A DESIGN OF NON-CONTACT TEMPERATURE SENSOR
     非接触温度传感器的研究设计
短句来源
     THE INFLUENCE OF RECONTACTING TEMPERATURE AND PRESSURE ON REFORMING HYDROGEN PURITY AND LIGHT HYDROCARBON RECOVERY
     再接触温度和压力对重整产氢纯度及轻烃回收的影响
短句来源
     The wettability angle between SiC and pure aluminum、AlSi 7、AlSi 7Mg 1 are measured at diffrent temperature (700~1 000℃) and diffrent contact time (0~30 min) in the atmosphere of argon gas. The comprehensive analyses and discussion are made on the effects of alloy composition and contact temperatures.
     在氩气保护下,在不同温度(700~1000℃)、不同接触时间(0~30min)时,测量了SiC与Al、AlSi7、AlSi7Mg1合金之间的润湿角,并分析比较和讨论了合金成分与接触温度对润湿性的影响.
短句来源
     A method of curve fitting based on LabVIEW is developed in the non-contact temperature measurement of the fiber heat process.
     给出基于LabVIEW的曲线拟合技术在纤维热处理中非接触温度测量的一种实现方法。
短句来源
     The optimum additional quantity, the optimum contacting temperature and the optimum contacting time of Al-Ti-B were researched in the condition of grain refining test of pure aluminum. The result indicated that 0.2 percent of aluminum melt weight was the optimum additional quantity, the optimum contacting temperature was about 700C-750C, grain refining effect was good when the holding time of melt was 2 to 30 minute, but with the extending of holding time, the grain refining effect declined.
     在纯铝的细化试验中,Al-Ti-B中间合金的最佳添加量为铝熔体质量的0.2%,最佳细化接触温度为700℃-750℃,保温2—30min细化效果较好,保温时间进一步延长,细化效果将随着保温时间的延长变得下降;
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  contact temperature
Determining the contact temperature in the zone of friction of a polymer coating on steel
      
A comparison of the T1 and T2 values to the exact glass transition temperatures shows that the contact temperature in the friction zone is 10-20 K higher than the value measured by the thermocouple.
      
Accordingly, it is possible to provide the controlled compensation of heat losses in a contact temperature sensor.
      
The data on the time variation of the contact temperature, as calculated in the first part, are then used in the second one for solving the diffusion problem.
      
Evaluation of the contact temperature and wear of a composite friction pad in braking
      
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  instantaneous temperature
An approximate theory is presented for solidification in a finite, initially overheated slab in which one wall is insulated and the other is subject to an instantaneous temperature drop below the freezing point.
      
Because the instantaneous temperature of the discharge channel is as high as 10 000 °C during the wire cutting process, the processed surface is oxidized.
      
On calculation of instantaneous temperature on a diamond grit in dressing tool during its operation
      
Using the earlier experimentally determined polarization and frequency dependent phonon absorption in the bolometer metal, the instantaneous temperature of the bolometer can be calculated from this irradiation.
      
A method is proposed for determining the heat transfer coefficient from instantaneous temperature values at points inside a plate, a hollow cylinder, or a hollow sphere during heatup.
      
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The Spectral response of a Si-vidicon extends to infrared region.A camera system with such kind of pickup tube may be used as a thermal image instrument for remote, on-time and non-contact temperature measurement. Sensitivity, temperature resolution are analyzed, some theoretical background is given. The results arc available for circuit design.

硅靶摄像管的光谱特性延伸至红外区域。用这种管子作成的摄像系统,可用来观察物体的热像,作实时、远距、不接触的温度场测量。本文给出了基本的理论关系,分析了灵敏度和温度分辨率,为电路设计提供依据。

This paper explains theoretically that when and only when there is a lubricant film formed between contact surfaces, the suffing wear may be avoided. The lubricant film can be formed only if the instan-taneous contact temqerature is lower than the solution temperature of the film equivalent i.e.Ts'=Tc(?) . The above-men-tioned conclusion is verified experimentally in the laboratory.

本文从理论上阐明了避免胶合磨损的必要与充分条件是接触面间具有润滑膜,若要润滑膜能存在,则瞬时接触温度一定要低于油膜当量退吸温度(即Ts′≤Tc″)。并通过试验加以证实。

This paper presents a new approach to the effective improvement of scuffing resistance of gears by optimization of addendum modification coefficients. A new flash temperature function Φ along the line of action has been derived to provide the great ease of optimization procedure. Within the most usable range of x∑ = x1 + x2 = -0.5~ + 3.0, the optimum values of addendum modification coef. x1 of pinion and x2 of gear wheel can be picked-up by CAD programs. The optimum values of x1 and x2 exist when the maximum...

This paper presents a new approach to the effective improvement of scuffing resistance of gears by optimization of addendum modification coefficients. A new flash temperature function Φ along the line of action has been derived to provide the great ease of optimization procedure. Within the most usable range of x∑ = x1 + x2 = -0.5~ + 3.0, the optimum values of addendum modification coef. x1 of pinion and x2 of gear wheel can be picked-up by CAD programs. The optimum values of x1 and x2 exist when the maximum value of Φmax of different combinations x1 and x2 tends to be minimum, i. e. , (Φmax)min. For facilitating engineering design, new (Φmax)min curves based on flash temperature criterion can be added to the familiar restricted-contour-line diagrams for selecting x1 and x2 .

齿面瞬时接触温度是当今衡量齿轮胶合承载能力的最基本准则。本文应用计算机辅助设计和实验手段,从齿面瞬温准则着手,研究并建立了优选变位系数以提高齿轮胶合承载能力的有效方法 作者通过理论分析,导出了瞬温函数φ_(max),编制了按瞬温准则建立的(φ_(max))_(min)优选变位系数的计算机程序。在各种不同的变位系数x_1、x_2组合时解出表征最高瞬温θ_(Bmax)的一系列瞬温函数中φ_(max)值。优选的变位系数将使中φ_(max)为最小即(φ_(max))_(min),从而提高了齿面的胶合承载能力。 根据大量的运算结果,在常用的选择变位系数封闭界限图中,本文作者增绘了优化的(φ_(max))_(min)曲线,可供工程设计人员直接查用有利于胶合承载能力的变位系数。 在此基础上,作者又建立了另一种中φ_(max)—x_1曲线,可用以判别在某变位系数下齿面最高瞬温和可能出现的胶合发生在啮入区还是啮出区。啮入区和啮出区φ_(max)曲线的交点即最优变位系数所在,此时最高瞬温值为最小。此曲线还阐明和验证了一个不易为人们直接理解的重要概念:“欲使齿轮传动获得最优的胶合承载能力,必须使啮入区和啮出区内所产生的...

齿面瞬时接触温度是当今衡量齿轮胶合承载能力的最基本准则。本文应用计算机辅助设计和实验手段,从齿面瞬温准则着手,研究并建立了优选变位系数以提高齿轮胶合承载能力的有效方法 作者通过理论分析,导出了瞬温函数φ_(max),编制了按瞬温准则建立的(φ_(max))_(min)优选变位系数的计算机程序。在各种不同的变位系数x_1、x_2组合时解出表征最高瞬温θ_(Bmax)的一系列瞬温函数中φ_(max)值。优选的变位系数将使中φ_(max)为最小即(φ_(max))_(min),从而提高了齿面的胶合承载能力。 根据大量的运算结果,在常用的选择变位系数封闭界限图中,本文作者增绘了优化的(φ_(max))_(min)曲线,可供工程设计人员直接查用有利于胶合承载能力的变位系数。 在此基础上,作者又建立了另一种中φ_(max)—x_1曲线,可用以判别在某变位系数下齿面最高瞬温和可能出现的胶合发生在啮入区还是啮出区。啮入区和啮出区φ_(max)曲线的交点即最优变位系数所在,此时最高瞬温值为最小。此曲线还阐明和验证了一个不易为人们直接理解的重要概念:“欲使齿轮传动获得最优的胶合承载能力,必须使啮入区和啮出区内所产生的最高瞬温相等”,这正是本文变位系数优选法所产生的必然结果。 如何优选最有利于胶合承载能力的变位系数之和x_Σ以及啮合角?

 
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