在热虹吸流程的实验装置中测量了流动沸腾传热系数。
The heat transfer coefficient was measured in the experimental equipment.
狭缝通道内的流动沸腾传热是汽液两相流研究的一个重要方面。
Flow boiling heat transfer in narrow channels is an important researching project of gas-liquid two-phase flow.
以水为沸腾工质对竖直矩形窄缝内饱和流动沸腾传热做了实验。
Saturated flow boiling heat transfer of water in a vertical narrow rectangular channel has been investigated experimentally.
针对缸盖水腔内的冷却水流动沸腾传热计算,本文介绍了两种单相流沸腾模型。
Two boiling flow models are introduced for the calculation of boiling heat transfer in cylinder head cooling gallery.
新关联式能够很好的预测R410A-油混合物在强化管内流动沸腾的压降特性。
The new correlation can provide satisfied predictions to the pressure drop characteristics of R410A-oil mixture flow boiling inside enhanced tubes.
本文对氟利昂22在水平光滑管和内螺纹管内的流动沸腾换热特性进行了实验研究。
Flow boiling heat transfer characteristics in horizontal smooth tubes and internal grooved tubes of R22 are experimentally investigated.
本文利用红外热成像仪对不锈钢微管内水的流动沸腾的壁面瞬态温度场进行了测量。
The transient temperature field at surface of a stainless steel micro-tube, in which flow boiling of water occurs, is measured by the Infrared Radiometer.
在这些应用中,准确预测液氮的流动沸腾换热特性对于系统设计和安全运行十分重要。
In these applications, it is very crucial to predict the flow boiling heat transfer coefficient of liquid nitrogen for the system design and safe operation.
试验结果表明,整体型内螺旋翅片管用于氟利昂干式蒸发器的流动沸腾传热是非常有效的。
The experimental results show that integral internal spiral fin tube is very effective for flow boiling heat transfer of freon dry evaporator.
本文采用CCD测量和图像处理技术对汽液固三相自然循环流动沸腾系统进行了可视化研究。
In this paper, a CCD measuring system and techniques of image dealing are used to carry out a visual investigation on a vapor-liquid-solid three-phase natural circulating flow boiling system.
本文首次对竖直矩形窄缝内饱和流动沸腾时的汽液分相流动区建立了两相同向分相流动沸腾传热模型。
A model of vapor-liquid two-phase cocurrent separated flow, for the first time, is established for saturated flow boiling heat transfer in a vertical narrow rectangular channel in this paper.
引 言流动沸腾传热广泛存在于石油、化工、轻工、动力及能源等各个领域 ,但三相流动沸腾传热的研究极少 。
An experimental study on the flow boiling heat transfer and its visualization of water in a rectangular micro-groove horizontally laid;
在过冷流动沸腾条件下,对硫酸钙的沉积过程进行了研究,考查了不同流速和不同加热器表面条件下硫酸钙的结垢状况。
The formation process of calcium sulphate deposition during subcooled flow boiling heat transfer was reported. Fouling runs were carried out at different flow velocities and heat transfer surfaces.
为使型砂获得预期的冷却和增湿效果,要求型砂在沸腾床上均匀的流动。
In order to obtain the expected sand cooling and humidifying effect, requiring sand in the boiling bed to flow in uniform.
增加沸腾管入口段流动阻力是抑制沸腾管内流动不稳定性的主要措施之一。
One of the major measures to suppress flow instability in a boiling tube consists in increasing the flow resistance at the boiling tube inlet section.
空泡率是汽液两相流动的基本参数之一,而已有过冷沸腾空泡率计算方法研究以高质量流速为主,且大量文献报道现有空泡率模型难以适用于低流速过冷沸腾工况。
Void fraction is one of the basic parameters in steam liquid two phase flows. To date, the study of methods for calculating subcooled boiling void fraction mainly focused on high mass flow rates.
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.
对垂直管内汽水两相下降流动和上升流动时的沸腾传热特性进行了理论和试验研究。
The characteristics of boiling heat transfer of steam - water two - phase downflow and up-flow in vertical tube are theoretically and experimentally studies in this paper.
为探索闪急沸腾喷雾的形成机理,以氟里昂R12为试验掖体,采用激光多普勒测速仪(LDA)测量了稳定流动条件下粒子的速度分布。
In order to understand flash boiling injection, the drop velocity distribution in steady spray of freon R12 as test liquid was investigated by using LDA technique.
活佛的脉管在我的手指下感觉起来有一点硬,血液流动的节律正常但力量稍微过大,那种感觉就像一锅汤在沸腾。
The living Buddha's vein felt slightly hard under my fingers and the blood pulsed through it with a rhythm, which was steady but a bit too forceful, like a pot of soup that is about to boil over.
介绍了国外几个典型的计算流动欠热沸腾起始点的模型。
Several models for calculating the initial points of subcooled boiling were introduced.
根据放电时产生的加工液沸腾、气化膨胀引起放电通道周围加工液快速流动的原理 ,提出了一种新的排屑方法 ,系统地研究了使用该方法的放电加工特性。
A new excluding method of debris using the rapid flow due to evaporation of dielectric fluid when discharging was proposed and the EDM characteristics of the method were experimentally discussed.
矩形窄缝通道内水的两相沸腾流动特性进行了实验研究。
The characteristics of two-phase flow pressure drop were experimentally investigated in narrow rectangular channels with large width-height ratio 1.
程序中采用了两流体、六方程模型来描述沸腾及两相流动,应用子通道方法来对基本方程进行离散化,以半隐数值方法进行了求解。
In the calculation model, the two-fluid conservation equations are discretized by subchannel approach and solved by semi-implicit numerical method.
程序中采用了两流体、六方程模型来描述沸腾及两相流动,应用子通道方法来对基本方程进行离散化,以半隐数值方法进行了求解。
In the calculation model, the two-fluid conservation equations are discretized by subchannel approach and solved by semi-implicit numerical method.
应用推荐