动力学不稳定性模型被推广到有限几何形状的加热面,以解释微电子器件尺寸对池内沸腾换热临界热流形成机理的影响。
The hydrodynamic instability model is spread for finite geometries in order to explain effects of size of microelectronic devices on the mechanism of formation of pool boiling critical heat fluxes.
讨论和分析了流道间隙、加热功率和入口过冷度对沸腾起始点、沸腾流态、换热系数、流动不稳定性和临界热负荷的影响。
The effects of gap size, heat flux and inlet subcooling on the boiling incipience, flow pattern, heat transfer coefficient, flow instability and critical heat flux were analyzed and discussed.
根据实验数据拟合出液膜破断临界热流密度经验公式,同时还拟合出正常液膜和接近破断临界时的液膜的换热系数综合关系式。
Empirical formulae for the critical heat flux of the film breakdown and heat transfer correlations for normal and subnormal films are obtained by fitting the test data.
形状记忆合金丝还能提高梁的热屈曲临界温度,抑制梁热屈曲的发生或使已发生热屈曲的梁回复到原来的平衡状态。
Shape memory alloy wires can increase the critical temperature of the beam, and also can restrain thermal buckling occurring or make the post-buckled beam back to initial equilibrium states.
结果表明:大的热涨落使RF - SQUID环路有效临界电流明显下降,从而使跃迁点大大提前,跃迁宽度满足一个普适表达式。
Finally we find that the-effective critical current of RF-SQUID loop is greatly reduced by large fluctuation and the transition width can be determined with a simple equation.
本文讨论了丝网型回热器能在纯行波状态下起振的临界温度梯度与结构参数及运行参数的关系。
This paper analyses the critical temperature gradient of a regenerator under a simplifying assumption for different structure and operating parameters.
通过冷、热模放大实验得出,茶多酚提取为内扩散过程,按临界悬浮转速放大是比较理想的放大方法。
The results show that the process is controlled by interior diffusion and critical suspension speed is an ideal magnification method.
对提取搅拌槽通过冷、热模放大实验得出,按临界悬浮转速放大,放大效应很小,是比较理想的放大方法,而且在一定转速范围内茶多酚提取属内扩散控制过程。
The results of magnification experiments show that critical suspension speed is an ideal scale-up method and the extraction process is controlled by interior diffusion within a certain agitating rate.
通过对一氯甲烷高压热氯化的临界参数及相关数据的计算,对反应的相态进行了分析并得出结论。
Through calculating the critical parameter and relative data of methyl chloride high pressure thermal chlorination, the phase of this reaction has been analyzed with some conclusion being obtained.
本文用可控热脉冲输入临界层的方法研究了平板层流边界层的稳定性与转捩。
An experimental study on the laminar boundary layer instability and transition was carried out in a flat-plate boundary layer by means of controllable heat pulsing introduced into the critical layer.
该传感器用于应变,温度,热通量,和表面流动,以及用于未来的空间和空气的车辆部件的临界车辆健康监控和表征。
The sensors are used for strain, temperature, heat flux, and surface flow, as well as for critical vehicle-health monitoring and characterization of components of future space and air vehicles.
本文分析了降液膜高雷诺数区域换热系数随液膜长度变化趋势,引出临界长度的概念。
A critical length concept is introduced to describe the heat transfer performance of thin film flows with high Reynolds number in this investigation.
通过理论分析、实验和数值计算研究了激光二极管点火的热作用机理,分析了点火的临界值及影响因素。
Thermal interaction mechanism of laser diode ignition is investigated through theoretic analysis, experiments and numerical calculations. The critical values and impacting factors are analyzed.
本文讨论电荷能和热涨落对隧道结性能的影响,给出两者同时发生作用从而破坏隧道结两侧位相相干性的临界条件。
In this case the effect of the charging energy and the thermal fluctuation on the phase coherence between superconductors of Josephson tunneling junctions is discussed in this paper.
初步分析了厚度对矩形薄板热屈曲临界应变值的影响。
The effect of the thin plate's thickness to thermal buckling problem is analyzed.
它在继承了热谱与快谱超临界堆芯设计优点的同时,有效地克服了两者的不足。
This new core design was considered to be the hybrid of the existing thermal SCWR and fast SCWR cores.
为了减少煤油在冷却时的结焦析碳,研究乳化煤油在超临界压力工况下传热特性随热负荷变化的规律以及析碳的影响。
Heat transfer and thermal stability characteristics of supercritical emulsified kerosene were studied in order to reduce the deposition of carbon during the cooling of kerosene.
以某型乏燃料运输容器为计算模型,对其进行了临界安全、核热分布以及辐射屏蔽计算,并对临界计算和屏蔽计算的部分参数进行了敏感性分析。
Taking a spent fuel shipping cask as calculated model, detailed criticality safety, nuclear heat distribution and shielding calculations and sensitivity analysis of some parameters were performed.
最后对工质CO_2夹带的微量PAG对压缩机、膨胀机、气体冷却器和蒸发器的性能影响分别进行了分析,并提出了超临界换热分析模型。
The effects of little of lubricant in CO_2 on the performance of compressor, expander gas-cooler and evaporator were analyzed, and the model of supercritical heat transfer was also proposed.
对其可靠性和精度进行了分析和检验,根据生产力等级相似性和差异显著性原理,进行了栽培区划,给出各栽培区、亚区的水热特征临界值指标。
According to the grade similarity and significance of difference of the productivity, we make cot the planting district of Picea Kdreainsis, and give out the hydro-thermal index.
另外,由超临界流体干燥法得到的粉末经高温处理后的磁性能明显高于由水热法和共沉淀法得到的粉末的磁性能。
Additionally, the magnetic properties of the fired powder prepared by SCFD method is higher than those prepared by hydrothermal method and coprecipitation method.
结果表明,由于连杆锻后宽度尺寸不够,在增加了热矫形工序后造成其变形量处于临界变形区,导致分模面切边带区出现严重的混晶和魏氏组织。
The result showed hot sizing was the main factor to cause critical deformation, to make mixed grain and coarse grain widmanstatten appear in parting face.
混凝土路面板的热屈曲因板的热压应力引起,而混凝土路面板的临界变温可定义为路面板屈曲时的温度与铺设成型时的温度之差。
Usually, the critical temperature variation of concrete pavement is defied as the difference between thermal buckling temperature and the pavement formation temperature.
在热裂试验的基础上,得到了铸件热裂纹倾向的临界值,进而实现了摇枕、侧架的热裂纹预测。
The critical value of hot crack has been obtained according to the experiments on test casting, and it had been used on predicting the hot crack of bolster and side bearer.
二口恶英治理的热技术包括高温过燃烧技术、红外脱毒技术、等离子体高温分解技术、熔盐脱毒技术、超临界水氧化技术、原位玻璃化技术等;
The thermal technologies included high temperature over-burning, infrared destruction, plasma arc pyrolysis, molten salt destruction, supercritical water oxidation, in situ vitrification, and etc.
介绍超临界水热分解技术在能源利用领域的应用情况,对生物质、废旧轮胎等在超临界水环境下的热分解进行了研究。
It is introduced the application of this technology in the field of energy use. It is also discussed the thermal decomposition of biomass and waste tires in supercritical water.
随着氢气含量的减少,起振临界当量比变大,热声振荡的最大振幅变大。
With reduced the concentration of hydrogen, the oscillation start critical equivalence ratio is higher and the maximum amplitude of thermoacoustic oscillation is larger.
随着氢气含量的减少,起振临界当量比变大,热声振荡的最大振幅变大。
With reduced the concentration of hydrogen, the oscillation start critical equivalence ratio is higher and the maximum amplitude of thermoacoustic oscillation is larger.
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