相变热

  • 网络Phase change heat;heat of phase transition
相变热相变热
  1. Al-Si合金凝固相变热的Fourier算法

    Fourier Arithmetic Study of Al-Si Alloy Solidification Latent Heat

  2. 介绍了生活锅炉中相交换热的传热系数K的数值及影响因素,应用相应的K值计算的相变热面面积与实际需求基本相符,使设计更趋合理与完善。

    This paper deals with the optimization of heat-transfer coefficient K as well as other affecting factors , thus making the arrangement of phase-changing surfaces in boiler feasible .

  3. Fe-Mn-Si合金相变热滞的理论计算

    Theoretical calculation of the thermo-hysteresis of phase transformation in Fe-Mn-Si alloys

  4. 采用反算法对相变热焓进行计算并与综合热分析仪(DSC)实验结果相对比,并且对恒速冷却试件与实际空冷试样进行金相组织观察对比。

    The result was compared to experimental results calculated with a comprehensive thermal analysis instrument ( DSC ), and the metallurgical structure in test pieces cooling in constant-speed was examined .

  5. 测量了含Si量分别为6.34%、7.68%和8.46%铝合金的凝固相变热.计算结果分别为407、411和429kJ/kg。

    Solidification latent heat of the three kinds of Al Si alloy contained 6.34 % Si , 7.68 % Si and 8.46 % Si was measured on this system , and the calculation results were 407 , 411 and 429 kJ / kg respectively .

  6. 求解凝固相变热传导问题的简便方法&热阻法

    A Simple Heat-Resistance Method for the Solution to Heat Conduction Undergoing Solidification

  7. 铝合金零曲线和凝固相变热的算法研究

    Study on Arithmetic of Baseline & Heat of Transformation of Al Alloy

  8. 含铌基体钢的循环相变热处理的研究

    Cyclical Phase Transformation Strengthening and Toughening Treatment of the Matrix Steel Contained Niobium

  9. 根据此关系式,计算了这种合金的相变热滞,计算结果与实验值相符。

    The calculated results of thermo-hysteresis are consistent to the values from experiments .

  10. 水合盐相变热长期贮存的研究

    Study on long-term heat storage using molten salt hydrates

  11. 不同分子量聚乙二醇的相变热性质研究

    Research of Thermal Characters of Different Molecular Weight Polyethylene Glycol in Phase Change Process

  12. 某些脂肪酸二元系固-液相变热性质的研究

    The study of fatty acids binary system for thermal properties in solid-liquid phase transition

  13. 基于材料边界概念的相变热传导变分原理及其数值计算

    Variational principle and numerical computing for phase change heat transfer with material boundary concept

  14. 相变热焓越小,孕育期越短,转变越容易进行。

    Less the transformation enthalpy , shorter the incubation time , and easier the transformation proceeding .

  15. 新型空调蓄冷材料四丁基溴化铵-水相变条件和相变热实验研究

    Experiment on Phase Change Conditions and Phase Change Latent Heat of Tetra-n-butyl Ammonium Bromide Aqueous Solutions for Cold Storage

  16. 给出了轴对称相变热传导问题的偏微分方程及三类边界条件,构造了其相应的泛函,证明了一阶变分为零与原问题的等价性。

    This paper constructs the functional corresponding with ASHT on the basis of being given the partial differential equations and their initial and boundary conditions .

  17. 相变热滞、逆马氏体相变温度在热循环初期迅速降低,当热循环次数超过2次时则均保持不变;

    The transformation hysteresis and reverse martensitic transformation temperatures decreased abruptly during the initial thermal cycling process and then remained constant with further thermal cycling times .

  18. 采用扫描电镜(SEM)和差示扫描量热分析(DSC)对复合相变储热材料的结构和热性能进行了表征。

    The structure and thermal properties of PCMs were then characterized by means of SEM and DSC .

  19. 采用IR、SEM及DSC等对复合相变储热材料进行了结构、形貌以及热性能表征。

    The structure , morphology , and thermal performance of the composite were characterized by IR , SEM and DSC .

  20. 车用潜热贮热器相变贮热材料Ba(OH)2·8H2O的成核

    The nucleation of PCM ba ( oh ) _2 · 8h_2o of latent heat accumulator for vehicles

  21. 纳米SiO2改性相变储热微胶囊的制备及性能研究

    Preparation and properties of phase change thermal energy storage microcapsules modified with nano-SiO_2

  22. Al-Li合金相变的热分析动力学表征

    Characterization of Phase Transformations in Al-Li Alloys by Thermal Analysis Kinetics

  23. TAM单晶相变的热释电特性

    Pyro electric characteristic of phase transition of TAM single crystal

  24. CaCl2·6H2O相变贮热体系的初步研究

    A preliminary research on the solar thermal energy storage capacity of cacl_2-6h_2o phase change system

  25. PZT(Mn,W)和PZT(Mg,W)系统铁电陶瓷材料相变的热物性研究

    Studies on phase transition of ferroelectric ceramics of PZT ( mn , w ) and PZT ( mg , m ) systems by thermophysical method

  26. Cu-Zn-Al系合金热弹性马氏体相变的热滞

    Hysteresis of thermoelastic martensitic transformation in Cu-Zn-Al Alloy System

  27. EHD强化相变换热同轴圆柱特征电极的理论分析

    Theoretical analysis of coaxial cylindrical featured electrodes for EHD enhancement of phase-change heat transfer

  28. 试验合金的平均熔化热在170广西大学硕士学位论文高铝锌基合金的相变与热物理性能的研究kJ瓜g左右,高铝锌基合金熔化时能耗低。

    The average heat of fusion of five testing alloys remains about 170 kJ / kg , so high Aluminum Zn-based alloy consume less energy in their melting .

  29. 采用DSC和热膨胀仪对石英新砂和经900℃焙烧砂在加热过程中的相变和热膨胀进行了分析。

    During heating , phase transformation and expansibility of the new quartz sands and the quartz sands calcined at 900 ℃ was analyzed by DSC and thermodilatometry .

  30. R22及其替代工质管内相变换热实验系统的比较研究

    Comparison Study on Experimental Setup for In-tube Two-phase Heat Transfer of R22 and its Substitute