热发生器

The numerical results are analyzed based on the field synergy principle to explain the inherent mechanism of heat transfer enhancement by longitudinal vortex, namely second flow generated by the vortex generators causes the reduction of the intersection angle between the velocity and fluid temperature gradient.

结果发现纵向涡强化管－翅表面换热的内在机理可以用场协同原理进行解释，即纵向涡发生器使全场速度和温度梯度之间的平均夹角减小。

The model of adiabatic spherical to columnar hydrogen bubble growth in large leak sodium water reaction as well as the model of secondary loop pressure propagation with the one dimensional characteristic method are established under one double ended guillotine tube break in the steam generator of liquid metal cooled fast breeder reactor.

研究建立了钠冷快堆蒸汽发生器在单管束发生双端断裂情况下钠水反应中气泡从球形到柱状的变温绝热生长模型，及采用一维特征线方法建立的压力波在快堆二回路中的传播模型。模型中考虑了爆破膜、管壁弹性变形和气蚀的影响。

A scheme for compactification of ammonia water absorption refrigerators, especially for the reduction of the height of the generating rectification column is proposed, which includes using spiral sheet heat exchangers as the generator and the partial condenser of the refrigerator instead of the tube shell ones.

提出了一种氨水吸收式制冷机紧凑化的方案，特别是采用螺旋板式换热器作为发生器和分凝器以降低发生精馏器高度的新设计，给出了采用上述改进方案所研制的乙醇蒸馏装置的实验结果。

The aim of the paper is to improve the reliability of HF generator, which is the key to decide the life of HF electrodeless light. At first, I collect and analyze the relative dates, and statistics fault models.

首先进行了与可靠性相关的数据收集与分析，对故障模式进行统计；然后从电路结构、环境应力及容差三个方面进行可靠性分析，从而为关键的可靠性设计提供了依据；接下来的可靠性设计，从电路设计、热设计、降额使用、筛选四个方面逐一解决了可靠性分析阶段发现的问题；最后，我将改良的发生器批量生产，并从中重新收集了可靠性数据进行计算，事实证明改良后高频无极灯的平均寿命已达到6万小时。

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。

Fungiform configuration was used in the main LOX valve to meet the demand of gas generator hot test system.

简要叙述了液氧/煤油游动发动机发生器地面热试验系统与发动机试验系统的不同特点。

Through comparative Analysis on simulator tests, precautions for verification tests of the calibration pressure of main steam safety valve are presented, increasing the levels of steam generators and pressurizer can prolong the SI actuation time greatly.

通过模拟机试验比较分析，提出热停堆状态下进行主蒸汽安全阀定值校验的安全措施，在校验试验前提高蒸汽发生器和稳压器的水位可以大大延长发生安全注入动作的时间。

A CATHENA model of TACR heat transfer system has been established.The structure and thermalhydraulic data of TACR HTS equipment, such as core fuelchannel, steam generator, pump and pressurizer, have been introduced.

论文中建立了TACR热传输系统的CATHENA模型，并分别对堆芯燃料通道、蒸汽发生器、稳压器和主泵设定了CATHENA的计算模型和用于CATHENA热工水力分析的结构和物性参数。

Curling iron, keep a hair machine, curling iron, dissolve a wax machine, the machine, humidifier of the steam occurrence, the boiled water machine, water-heater, thermos cup, hot milk machine, coffee heating apparatus, lead gum machine, the heat dissolves a gum gun, chocolate extrude machine.

直发器，卷发器，溶蜡器，蒸汽发生器，增湿器，开水器，热水器，保温杯，热奶器，咖啡加热器，过胶机，热溶胶枪，巧克力挤出器，暖手器/暖脚器，按摩器，理疗器等。

The major products for the cable pressure, machine, cable-hot machine, cable dryer, cable tester comprehensive testing, AC-DC pressure tester, vacuum switch vacuum tester, DC high-voltage generators, fire-retardant heat-tape, such as Die Equipment and accessories, complete specifications, performance good, reasonable price and abide by the contract, implementation of Three Guarantees, the agency checked.

产品主要为电缆压号机、电缆热补机、电缆干燥机、电缆综合探伤测试仪、交直流耐压测试仪、真空开关真空度测试仪、直流高压发生器、阻燃热补胶带、模具等设备及其配件，规格齐全，性能良好，价格合理，信守合同，实行三包，代办托运。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷