自然循环

CARR堆自然循环瓣阀设计及验证

Design and Test of Flap Valve of Natural Circulation in CARR

本文介绍高压自然循环临界热流密度（CHF）实验研究。

An experimental stuffy on critical heat flux ( CHF ) under natural circulation at high pressures is presented in this paper .

本文报告了使用R－12作工质进行的自然循环过冷沸腾起始点和净蒸汽产生点的实验结果。

This paper reports the experimental study of onset of subcooled boiling and point of net vapor generation in a natural circulation system with subcooled boiling . Freon-12 was used as the working medium .

针对船用立式U形管自然循环蒸汽发生器，建立了能够描述其稳态及瞬态热工水力特性的数学物理模型，并编制了计算程序。

For the vertical U-tube natural circulation steam generator in marine nuclear power plant , the mathematical physical models and calculating code to predicate the thermal hydraulic behaviours are established .

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 .

300MW亚临界自然循环锅炉锅筒内部设备布置

Arrangement of Drum Internals for 300 MW Sub - critical Pressure Boiler

通过EDTA自然循环法清洗锅炉的实践证明，为经济、省时、省力、无设备损害，保证清洗效果，宜采用EDTA自然循环法清洗锅炉。

Presents the cleaning of boiler by EDTA natural cycle method which features low cost , energy and time saving and no damage to equipment .

300MW自然循环W火焰锅炉汽包内部设备中锥形旋风分离器的结构与特点。

The configuration and characteristics of conical cyclone used in 300MW " W " flame Natural circle boiler 's drum are introduced herein .

采用RBI高温高压光学探针，对自然循环过冷沸腾截面平均空泡份额进行了实验研究。

Sub-cooled average void fraction in natural circulation is investigated using high-temperature high-pressure RBI optical probe in this paper .

北仑发电厂二期工程600MW燃煤自然循环锅炉设计特点

Design Features of Coal-fired Natural Circulation Boilers Provided for Beilun Thermal Power Plant Project ⅱ

9F级自然循环余热锅炉的安装和调试

Installation and Adjustment of Natural Circulation Waste Heat Boilers of the 9F Class

该堆是一体化自稳压自然循环壳式轻水反应堆，测量了一回路冷却水水质的化学成分，如溶解氧、pH值、电导率、硝酸根、氯离子、氟离子及腐蚀产物、溶解氢等。

The reactor structure influence on water chemistry is described . The chemistry components for coolant water of primary loop of reactor , such as dissolved oxygen , pH , conductivity , nitrate , chloride , fluoride , corrosion products are established .

水下探测器用小型潜水反应堆（SCR）的设计思路与MRX基本相同，但一回路为全自然循环。

Submersible compact reactor ( SCR ) for under-sea research vessel has similar design concept with MRX but the primary circuit is of nature circulation .

本文开展的含绕丝燃料组件阻力特性的初步实验研究，为10MW自然循环铅铋冷却反应堆的热工水力设计验证提供了参考。

The experiment results of the resistance characteristic of a wire-wrapped fuel assembly obtained in this paper can provide preliminary reference for the thermal-hydraulic design verification of reactor .

初步的研究结果表明：如果在自然循环长度和延伸燃耗运行期内发生落棒事故，对于基负荷运行和基负荷一次调频运行，均有PCI的应力裕量，不会造成燃料棒破损。

The results show there are enough stress margins for the base load operation and primary frequency control operation if rod drop accident occurs in the natural cycle and stretch out operation , therefore no risk of PCI failure has been found .

以船舶核动力装置中广泛使用的立式U形管自然循环蒸汽发生器为对象，从其热工水力特点分析出发，建立蒸汽发生器的动态模型，并对其运行模拟及应用进行了研究。

This paper is based on a vertical U-tube natural circulation steam generator , which is widely used in marine nuclear power plants . Starting from analyzing thermal hydraulic characteristics , a new dynamic model of steam generator is established , and its operating simulation and application are studied .

在5MW低温供热堆热工水力学实验台架HRT-5上，以水为工质，进行了低压自然循环两相流流型及流型对密度波不稳定性影响的实验研究。

An experimental study on two-phase flow pattern in the riser of low pressure natural circulation system was performed .

其中DPR-1堆芯是自然循环冷却，而DPR-3是强迫循环冷却。

The core of DPR-1 is cooled by natural circulation and DPR-3 is cooled by forced circulation .

自然循环流量漂移对5MW堆的设计、安全分析以及升级开发具有重要价值。

The investigation on flow excursion in the natural circulation is important for the design and accident analysis and upgrading development of the5MW nuclear heating reactor .

研究堆用自然循环阀采用了特殊本体结构和10.5m长的远传操纵杆，以满足堆用自然循环阀的性能要求。

The special structure and remote operation rod with 10.5 m length has been adopted to meet the requirement onflow resistance and operation performance in the reactor .

本文基于分岔理论及DERPAR数值算法，运用均相模型计算得出典型沸腾两相自然循环系统的静态分岔解图。

Based on theory of bifurcation and DERPAR numerical algorithm , static bifurcation solution diagram of a two-phase natural circulation system is presented , using homogeneous flow model .

介绍了我国首台投入商业运行9F级单轴联合循环机组配套的自然循环余热锅炉的结构、安装和调试。

The construction , installation and adjustment of the natural circulation waste heat boilers , matching single shaft combined cycle sets of the 9F class , for the first time to be commissioned in China , are being described .

它包括脉冲堆自然循环分析程序（MC-FLOW）、堆芯热工水力分析程序（MC-THAS）和脉冲堆瞬态分析程序（MC-TRAN）。

They are the natural circulation flow analysis code ( MC-FLOW ), the core thermal hydraulic analysis code ( MC-THAS ) and the pulsed reactor transient analysis code ( MC-TRAN ) .

介绍了在自然循环整体实验装置（NCIF）上完成的自然循环静态特性实验结果。

This paper presents the experimental results of single-phase natural circulation static characteristics , which was conducted at a high temperature and high pressure Natural Circulation Test Facility ( NCIF ) .

还能大幅度地降低出口动能损失，使自然循环的有效推动力强化达到11kPa～15kPa，从而省去高能耗的强制循环泵。

So the kinetic energy loss can be reduced greatly and the driving pressure of the natural circulation can reach 11kPa ~ 15kPa , which means no pump is needed for circulation drive .

自然循环流速可以稳定在0.80m/s以上、甚至更高，斜齿扭带能够可靠地连续自转清洗防垢。

The flowing velocity of natural circulation can be stable at the flowing velocity of more than 0.80m/s . This kind of twisted strip with oblique teeth can remove and prevent fouling continuously and reliably .

冷剂自然循环空调机的特性与应用

Study on performance and application of air conditioner using natural-circulation loop

位差对系统自然循环能力的影响实验研究

Experimental Investigation of Effect of Height Difference on Natural Circulation Capability

沸腾两相自然循环系统动态不稳定性的数值分析

Numerical Analysis of Dynamic Instability of Boiling Two-phase Natural Circulation System

低压两相自然循环流动不稳定实验研究

Experimental research on natural circulation two-phase flow instability under low pressure