传热

Mean temperature difference for countercurrent flow and cocurrent flow in steady continuous heat transfer has been deduced uniformly.

摘要采用统一的方法对定态传热逆流和并流的平均温差进行了推导。

Aim at protecting moulding introduced by small square billet via columniform nozzle,therefore the condition was researched in this paper by means of simulation, which willhelp productivity with improving the casting speed.

针对目前小方坯普遍采用保护浇注，使用直筒型水口，模拟了这种情况下结晶器内的流场以及传热凝固现象，为高效方坯连铸提供理论依据。

Some features of the flow and heat transfer for the thermally compressible flow have been liste...

列举和讨论了热可压流流动和传热的一些特征现象，它可望用于发展一些新的热控制技术。

A theoretical study on mechanism of mass and heat transfer was carried out based on several assumptions, namely one dimensional steady flow and non condensable gas in the air gap.

采用一维定常流动及空气间隙层中不冷凝的假定，对空气隙膜蒸馏系统的传质传热机理进行了理论研究，数学推导中对相关物理量进行了量阶分析，提出小量假设，导出了计算蒸馏通量的理论公式。

This work was supported by a grant from the Major State Basic Research Development Program of China (973 Program)(No.2007CB206904). The main studying contents include:In consideration of the deficiency of the traditional bubble test and manual conductometric titration, this study developed a new integrated intelligent instrument for rapid evaluation of the scale inhibitor efficiency based of the conductometric titration.

本论文系基于作者参与&十一五&国家重点基础研究发展规划基金项目：《高能耗行业典型换热设备节能的先进理论与方法》之四&传热表面污垢生成机理与对策&[2007CB206904]的污垢对策评价和污垢特性预测部分的研究工作，将研究所得进行了较系统的总结而成。

In this paper, the conjugative heat transfer in a regenerative cooling structure is investigated numerically by using the FEM and CFD software.

以主动冷却发动机壁板为对象，考虑外部受均匀热流载荷作用下方形管在流体冷却过程中的共轭传热问题，建立了防热涂层、固体管道和冷却液的三维耦合分析模型。

Because of the round design, the SHE can be readily integrated into columns and a crossflow design enables heat transfer under nearvacuum conditions.

由于它的圆形结构，SHE可以预先整合在塔中；交叉流设计使传热能够在近真空条件下进行。

By flue gas of 2000m〓/h, some normal wastes (seawater, fly ash of power plant, basic waste water, etc) and lime are used on the research of dry, semi-dry, and wet FGD and its corresponding pressure and temperature decrease on stuffing tower, the effect of Ca/S ratio, inlet SO2 concentration, inlet flue gas temperature, and L/G ratio on desulfuration efficiency is analyzed, the instrument of dehumidify was studied by experiment and appropriate instrument of dehumidify was chosen.

在浙大热能所大约相当于1吨／小时出力的锅炉的尾部烟道上的多功能传热除尘脱硫一体化试验研究装置上，利用海水、电厂灰、碱性废水和石灰开展了半工业性的干法、半干法、湿法烟气脱硫研究，分析了Ca／S比、进口SO〓浓度、进口烟温、喷水量等因素对脱硫效率的影响，并探讨了湿法烟气脱硫中的烟温问题，对湿法烟气脱硫反应塔的阻力特性和除湿装置进行了试验研究，选取了合适的除湿元件。

It is a diathermanous equipment that used widely during the process of oxygen manufacture.

它是制氧生产过程中应用极为广泛的传热传质设备。

First it tells why the normal thermostatic water bath used in BALSS needs improving, and put forward the improving aim. Then it designs the diathermanous mode and closed control loop of the new system in detail.

首先分析了BALSS常用的水浴控温系统需改进的原因，并提出设计目标，然后分别就新型温控系统的传热方式、闭环控制回路等具体单元进行了详细的设计。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。