反应堆屏蔽

反应堆屏蔽水箱失水过程的水箱表面辐射研究

Study on radiation of water tank during reactor shielding water leakage

基于蒙特卡罗方法的MCNP程序，研究了反应堆屏蔽水箱失水过程中的水箱表面辐射剂量的变化情况。

Based on the Monte Carlo MCNP code , the changes of radiation dose at the shield water tank surface during the process of lost water is studied .

为了使射线不致逸出，必须用很厚的壁障将原子反应堆屏蔽。

An atomic furnace must be surrounded by heavy thick walls so that the rays cannot get out .

SPRR-300反应堆混凝土屏蔽层内中子注量率分布研究

Study on neutron flux distribution in concrete shielding of the SPRR-300 reactor

反应堆主屏蔽的设计与计算

Design and calculation for the main shielding layer of researching reactor

核反应堆本体屏蔽设计计算程序系统

A computation program for the design of bulk shields in nuclear reactors

第一次爆炸将反应堆的屏蔽室炸飞了。

The first explosion tore the reactor vault apart .

核电站反应堆辐射屏蔽程序系统

The Computer Code System for Reactor Radiation Shielding in Design of Nuclear Power Plant

核反应堆分层屏蔽最佳化程序

Nuclear Reactor Laminated Shield Optimization Code

放射性源项计算研究放射性核素种类、数量、形态，以及在不同系统之间的迁移过程，它可以为反应堆的屏蔽设计、废物评估和环境影响分析提供参考。

Radioactive source term is defined as composition , quantity , form and transport of radionuclides between systems in the reactor . This could provide reference for shielding design , radioactive waste evaluation and environmental impact assessment .

计算结果与三群法计算结果相比，本程序可靠，且计算简便，适用于核反应堆本体屏蔽设计的计算要求。

The comparison of the calculation by this method with that by the three group method shows that the multi group method is reliable and quite simple , and can meet the requirement of the calculation in the design of bulk shields in nuclear reactors .

建立临界源方向偏倚和指数变换相结合的藕合抽样方法，用于反应堆孔道的屏蔽计算。

The sampling method by coupling criticality source direction biasing and the exponential transform is established for duct shielding calculation .

反应堆测量孔道对屏蔽的影响

Effect of the measuring holes in the reactor on the shielding