It was showed that the surface and fluid temperatures were very important to promote fouling process on heat transfer surface.
对水溶液中矿物质离子在换热表面的结垢过程及对换热性能的影响进行了实验研究。
There are small temperature and pressure difference in steam inlet and outlet of heat exchanger, and big heat transfer surface.
换热器蒸汽入口和出口温差小,压差小,管程传热面积大。
Because the heat transfer surface on both sides of the convective heat transfer coefficient is equal or close to the heat transfer coefficient for larger values.
因为在传热表面两侧对流换热系数相等或接近时传热系数获得较大值。
Slagging and fouling on heat transfer surface is a familiar and unavoidable problem of power boiler, which is adverse to keep boiler running safely and economically.
受热面污染作为燃煤电站锅炉运行中一个不可避免的实际问题,对锅炉的安全经济运行带来严重影响。
A preparation method of a vapor dropwise condensation heat transfer surface comprises: pre-processing, self-assembling, loading ion liquid cation and post-processing.
一种蒸汽滴状冷凝换热表面的制备方法,包括:预处理、自组装、加载离子液体阳离子、后处理等步骤。
The optimal performance can be obtained by optimizing the distribution of heat conductances or heat transfer surface areas among the two heat exchangers and the regenerator.
通过优化两个换热器和回热器之间的热导率分配或传热面积分配可得循环最优性能。
An experimental and theoretical study was conducted to investigate the incipient boiling condition of smooth heat transfer surface immersed in highly wetting liquids in the paper.
对浸泡在强润湿性液体中的光滑传热表面的沸腾起始状态进行了实验及理论研究。
A dimensionless equation of the inner finned heat transfer was regressed based on the characteristics of enlarging of heat transfer surface and improving of heat transfer property.
在考虑了内翅片使管内传热面积增大 ,传热性能提高这一特点 ,经过反复实验 ,回归出了内翅片管传热的准则方程式。
The atmospheric phenomena suggested by jovian cloud tops are caused by convection the transfer of heat from the interior of the planet to its surface and beyond.
木星云顶景观显示了由热对流造成的大气现象:对流将热量从行星内部转移至表面或更远的地方。
A major advantage of fluidised beds is that they provide a well mixed, high surface area, fluid-solid system which is useful for efficient reactions and heat transfer.
流化床的一大优点在于能产生一个充分混合的具有很大表面积的流体与固体的接触系统,这对高效反应和传热都很有用。
Viscous flow patterns are set up in the motor, increasing heat transfer to the propellant surface through greater mass transfer.
粘性流场的模式成立,在电机,增加传热推进剂表面通过更大的传质。
Because of considering the influence of ground surface, the finite model can be used for analyzing the long period heat transfer process.
而有限长的传热模型由于考虑了地面作为传热边界对地下传热过程的影响,能够用来分析长时间的传热分析。
Likewise, if being used in evaporator, it allows efficient heat transfer, with slowing frost on the surface of the fin.
应用在蒸发器上,能大大延缓翅片表面的结霜速度,保持良好的换热性能。
The main reason of which is the heat transfer efficiency is weakened by jamming heavily or corroding the surface of the condenser.
主要是由于冷凝器表面严重积灰堵塞,或者是受腐蚀影响而减弱了换热效果。
A mathematical model has been established for fluid flow and heat transfer in weld pool with a deformed surface.
建立了熔池表面存在变形的流场与热场的数学模型。
After being cleaned, the surface of nm hydrophilic film condensers is just as bran-new one, whose heat transfer efficiency certainly can not be affected.
当纳米亲水膜冷凝器被清洗后,其外观犹如新的一样,其换热效果当然不受任何影响。
The surface heat balance is discussed by involving the observational data of radiation and soil heat transfer, and the closed test of the surface heat balance equation is made.
结合辐射和土壤热通量观测资料揭示了两站的地面热量平衡状况,用地面热量平衡方程对以上结果进行了闭合误差检验。
The temperature field with phase transformation and non-linear surface heat-transfer coefficient of steel 1045 during quenching is calculated with ANSYS program.
应用有限元分析软件ANSYS计算了1045钢淬火时具有相变和非线性表面换热系数的温度场。
The convective heat transfer coefficient(CHTC) of building exterior surface is an important parameter for energy-saving and urban environment simulation.
建筑外表面对流换热系数是建筑节能和城市环境模拟中的重要参数。
A new experimental procedure is proposed based on instrumental variable method for analyzing wall surface heat transfer process and deducing wall surface heat transfer coefficient.
首次提出了用辅助变量法分析建筑墙体外表面换热过程及推导墙体外表面换热系数的实验方法。
This paper first presents an experimental procedure to analyze wall surface heat transfer process and derive wall surface heat transfer coefficient by frequency spectral analysis method.
首次提出了用频率谱分析法分析墙体表面换热过程及推导墙体表面换热系数的实验方法。
Applies the method of surface heat transfer analysis to calculating the convective heat transfer coefficient in order to solute the wall temperature.
建立了室内表面对流辐射耦合换热方程,着重讨论了采用表面换热分析法求解表面传热系数以求解壁温的方法。
The receiver with a vacuum tube can greatly reduce the heat loss caused by surface convection, and hence the heat transfer efficiency can be improved effectively.
而太阳能集热器用真空管作为接收器,可以大大减小接收器外表面的散热损失,可以显著提高集热器的集热效率。
Experiment and predictor test show that this procedure can fully reflect wall surface heat transfer process.
实验和预测检验表明:该方法能够真实反映墙体外表面换热过程。
Production of thin films at high flow velocity, along with large surface area, allow rapid heat transfer and efficient operation.
高流速下的生产薄膜有很大的表面积,使得快速的传热和高效的操作得以实现。
In order to solve this problem, the effects of airflow velocity and airflow direction on heat transfer coefficient of wall surface are studied in this paper.
为了解决这个难题,本文通过实验测试和系统辩识的方法研究了风速风向对墙体表面换热系数的影响。
The complex heat transfer of turbulent natural convection combined with surface radiation in open cavities is analyzed by numerical method.
用数值方法分析了开口空腔中的湍流自然对流与表面辐射相互耦合的复杂传热。
Ignition start-up model of impulse micro-thruster is established, considering two phase flow and impact heat transfer of particle on the surface of propellant.
建立了微型脉冲推力器点火启动模型,模型中考虑了两相流动和颗粒对推进剂表面的冲击传热。
It is difficult to directly measure the surface temperature of the probe due to the complexity of heat transfer behavior on the probe surface in quench process.
由于淬火过程中探头表面传热行为的复杂性,所示直接测量探头表面温度是非常困难的。
It is difficult to directly measure the surface temperature of the probe due to the complexity of heat transfer behavior on the probe surface in quench process.
由于淬火过程中探头表面传热行为的复杂性,所示直接测量探头表面温度是非常困难的。
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