相变热
- 网络Phase change heat;heat of phase transition
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Al-Si合金凝固相变热的Fourier算法
Fourier Arithmetic Study of Al-Si Alloy Solidification Latent Heat
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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 .
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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
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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 .
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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 .
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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
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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
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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
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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 .
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水合盐相变热长期贮存的研究
Study on long-term heat storage using molten salt hydrates
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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
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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
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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
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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 .
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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
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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 .
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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 .
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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 .
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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 .
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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
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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
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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
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TAM单晶相变的热释电特性
Pyro electric characteristic of phase transition of TAM single crystal
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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
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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
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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
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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
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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 .
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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 .
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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