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thermal balance time
相关语句
  热平衡时间
     Study on Thermal Balance Time of Metal Wire and the Resistance Balance Time
     金属丝热平衡时间与电阻平衡时间研究
短句来源
     The thermal balance time of metal wire anel the resistance balance time are porticularly discussed in theory and the theoretical results are compaired with data measured in experiments in this paper.
     本文从理论上详细讨论了金属丝热平衡时间与电阻平衡时间的问题,并将理论结果与实验测量数据进行了比较。
短句来源
     An example shows that the proposed method is effective for identifying thermal eigenvalues and calculating thermal balance time.
     实测数据表明,该方法能有效地识别热特征值和快速估算出热平衡时间.
短句来源
  相似匹配句对
     THERMAL BALANCE DESIGN OF RTM MOULD
     RTM成型模具的热平衡设计
短句来源
     Review on the thermal balance test for spacecraft
     航天器热平衡试验技术评述
短句来源
     Balance of moment
     直升机尾部的小旋翼——力矩的平衡
短句来源
     On Balance in Singing
     论歌唱中的平衡
短句来源
     Thermal Keratoplasty
     角膜热成形术
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The thermal balance time of metal wire anel the resistance balance time are porticularly discussed in theory and the theoretical results are compaired with data measured in experiments in this paper.

本文从理论上详细讨论了金属丝热平衡时间与电阻平衡时间的问题,并将理论结果与实验测量数据进行了比较。

This paper establishes the 1-D theoretical model of temperature field of materials heated by monopulse laser.Compared with the theory of the paper,the theory of temperature field in the reference 〔1〕is defective.This paper makes a study of the theory by changing various parameters.A method,measuring thermal balance time of an adiabatic system made of a material,It's temperature on the one side is high and lower on the other side,is given.

建立了单脉冲激光加热下材料温度场的一维理论模型 ,将其与文献〔1〕中温度场理论进行比较 ,发现文献中理论不足。通过改变多种参数进行研究 ,并给出估算材料一面高温而另一面低温所构成的绝热系统 ,及该系统达到热平衡时间的方法。

The discrete model of the thermal dynamics process of precision machine was used to establish a new method called singular value decomposition algorithm for identifying these characteristics. The non-stationary thermal conduction and the thermal characteristics of a machine tool structure were modeled by FEM. Thermal modal analysis was introduced to diagonalize system equations and the characteristics parameters on the modal coordinate are thermal eigenvalues. A new approach was presented deriving thermal dynamics...

The discrete model of the thermal dynamics process of precision machine was used to establish a new method called singular value decomposition algorithm for identifying these characteristics. The non-stationary thermal conduction and the thermal characteristics of a machine tool structure were modeled by FEM. Thermal modal analysis was introduced to diagonalize system equations and the characteristics parameters on the modal coordinate are thermal eigenvalues. A new approach was presented deriving thermal dynamics characteristics with minimum parameter number and order. The singular value decomposition technique was used to identify the thermal modal parameter with thermal pulse response and obtain thermal eigenvalues. An example shows that the proposed method is effective for identifying thermal eigenvalues and calculating thermal balance time.

在精密机械热动态过程的离散化模型基础上,提出一种识别精密机械热动态特性参数的新方法——奇异值分解算法.在分析精密机械零部件的非定常导热问题时,由有限元法获得热动态过程空间离散化模型.采用热模态分析方法实现离散化模型解耦变换,模态坐标下的特性参数为热特征值(广义时间常数的倒数).辨识热动态特性参数的方法是通过构造热脉冲响应矩阵,采用矩阵奇异值分解的方法,以最少的参数和最小的阶次来描述精密机械热动态过程,进而求得热特征值.实测数据表明,该方法能有效地识别热特征值和快速估算出热平衡时间.

 
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