查询词典 heat exchange

At the same time of ensuing heat-exchange area and cooling effect, the condenser is matched perfectly with vehicle.

在保证换热面积及制冷效果的同时与主机车型达到最佳匹配。

A cubage is studied in this model considering the leakage of the gas and the heat exchange between the gas and the water.

该模型以一个齿间容积为研究对象，全面的考虑各泄漏通道损失、水气混合物的热交换。

Then, based on temperature prediction program and field study of the temperature on early-age characteristics of PCCP, and early-age temperature impact on the PCCP early and long-term performance and finally provide temperature on early-age of PCCP control methods and measures, detailedness as follows: 1、According to early-age of PCCP characteristics of heat exchange, Determine the the optimal models of factors of PCCP early-age temperature impacted.

本文首先基于有限差分数值分析研究了水泥混凝土路面早龄期温度场的预估方法；然后基于程序和现场试验研究了水泥混凝土路面早龄期温度场特征、早龄期温度场对路面早期和长期性能的影响，最后研究提出了改善路面性能的早龄期温度控制方法和措施。

The composition, function and implement method of heat exchange station monitoring system were introduced.

介绍了换热站监控系统的组成、功能及实现方法。

Based on the practical situation of central heating, a PLC control system for a heat exchange station is introduced, which is mainly composed of PLC, PID controller and inverter.

本文根据集中供热的实际情况设计了一套换热站变频调速PLC控制系统，它主要由PLC、PID控制器和变频器组成。

Heat exchange station ; mixing water ; floor heating ; radiator ; heating system

换热站；混水；地板采暖；散热器；供暖系统

In the first of this paper, by the partial differential equations of heat exchange and finite element method, the mathematical causes which result in calculative errors of temperature fields as different initial temperature on the joint face of concrete construction was analyzed.

本文首先从热传导的偏微分方程和有限元法入手，分析了分期浇筑混凝土结合面上节点初始温度取值不同时，造成温度场计算结果偏差的数学原因。

The paper introduces some researches, such as a new method to calculate the added mass for the seismic analysis of the fuel assembly in fast breeder reactor, simulation on the vortex shedding of double heat exchange tubes in a steam generator, simulation on the vortex shedding caused by the cross -flow over plates in a fuel assembly of an advanced reactor, the research on the impacting phenomenon of the free-surface on the vessel head in a storage tank as the main vessel of the China Experimental Fast Reactor shaken by the earthquake, and the researches on the solution of the liquid sloshing by moving particle semi-implicit and the scattering phenomenon caused by sloshing, and so on.

本文介绍华北电力大学在该方面的一些研究进展，例如，快堆燃料组件抗震分析新的流体附加质量计算方法研究；蒸汽发生器换热管双管漩涡脱落的数值模拟；一个先进堆燃料组件平行板上流动引起的漩涡脱落数值模拟；由地震引起的自由表面对快堆主容器冲击现象的研究；移动粒子法求解液面晃动及晃动引起离散现象的研究等。

According to the compare of some calculated values of key parameters with designed values, it is proved that the model has good precision and based on which, change process of steam flow, pipe inlet steam temperature and inner pipe steam temperature when pipe outside flue gas side heat exchange quantity changes are simulated.

根据模型的一些关键参数计算值与设计值的比较，证明了模型具有较好的精度。在此基础上，模拟了蒸汽流量、管子入口蒸汽温度和管外烟气侧换热量变化时管内蒸汽温度的变化过程。

The thermal regime of soils along the pipeline route will be severely disturbed due to the heat exchange between the oil flowing in the pipeline and the ambient soils. Therefore, the oil pipeline will suffer from the frost heaving and thaw settlement.

原油输运过程中由于管道与周围土体之间发生的热交换，使得原有土层中的热交换机制被打破，冻土区常温原油管道工程基础将面临融沉和冻胀灾害的双重挑战。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。