cluster type control rod

This paper deals with experimental and numerical computation analysis of the critical heat flux (CHF) occurrence at the conditions of subcooled boiling flow in rod bundles with grid spacers.

本文采用实验和数值计算分析相结合的方法,研究了带定位格架棒束通道内过冷流动沸腾工况下临界热流密度(CHF)发生情况。

Based on the mathematic models and the stability analysis method established for analyzing flow induced vibration of rod bundles in bounded axial flow, and as applications, the effects of boundary conditions and system parameters of rods on the crucial velocity are studied.

基于有界域轴向流动中棒束流致振动数学模型和棒束稳定性的分析方法 ,作为应用研究 ,分析了棒束端约束条件和系统几何参数对系统失稳时临界流速的影

The mathematic models and the stability analysis method are established for analyzing flow induced vibration of rod bundles in bounded axial flow.

基于Chen有界域静止流体中棒束流致振动数学模型,给出了棒束稳定分析的数值方法。

A bundle critical heat flux(CHF) database based on subchannel local condition is obtained by analyzing existing bundle experimental database with COBRA-Ⅳ code.

基于已有的棒束临界热流密度数据库,采用COBRA-Ⅳ程序计算得到子通道局部临界热流密度数据库。

Based on the up-to-date research of the fluid-to-fluid modeling of critical heat flux (CHF) in bundle, the experiment on fluid-to-fluid modeling of CHF in 4×4 bundle was carried out.

基于棒束临界热流密度(CHF)流体模化研究现状,进行了 4×4 棒束 CHF流体模化的实验研究。

The CHF experiments were carried out with 4×4 bundle of 9.

在空泡物理和自然循环重点实验室氟里昂热工实验装置上进行了CHF实验 ,实验段为9 5×1 0mm元件管组成的 4× 4棒束 ,并对其开展了 4× 4棒束CHF流体模化研究。

PbS nanorod bundles were synthesized hydrothermally at 120 ℃ for 12 h, by using Pb-(CH3COO)2?3H2O and CH4N2S as raw materials, cetyltrimethylammonium bromide and sodium dodecyl sulfonate as surfactants.

以乙酸铅和硫脲为主要原料,十二烷基磺酸钠和十六烷基三甲基溴化铵为表面活性剂,在120℃反应12h,水热法制备了PbS纳米棒束。

Objective:To observe the inhibitory action of Isaria feline(DC.

目的:观察细棒束孢Isaria feline(DC。

The course of the localization and running condition of CANDU-6 fuel bundle production line for HWR Nuclear Power Station—Baotou Nuclear Fuel Plant(BNFP), is presented.

介绍了我国第一条重水堆核电站用CANDU6燃料棒束生产线———包头核燃料元件厂的建设历程和运行状况,描述了CANDU 6型燃料棒束的技术特征、制造工艺流程及主要工艺技术条件要求。