decay heat

Decay heat is really important .

衰变热真的很重要。

Nuclear energy-Light water reactors ? Calculation of the decay heat power in nuclear fuels

重水慢化水冷反应堆核能－－轻水堆核燃料衰变热功率的计算

The loss of cooling event of decay heat removal system

余热排出系统冷却丧失事故

Decay Heat Rate of Spent Fuel in Experimental Fast Reactor FFR

实验快堆FFR燃料的衰变热计算

Decay Heat Character of Fast Test Reactor after Shutdown

实验快堆停堆后衰变热特性

The decay heat must be removed at the same rate it is produced or the reactor core will begin to heat up .

要彻底消除衰变热必须在衰变热产生之初就迅速冷却，否则核反应芯又会重新加热。

From the tests , the reflux condensation heat transfer is very effective to remove the reactor core decay heat under small temperature difference .

利用高压汽水两相流试验系统模拟压水堆小破口失水事故中冷凝回流传热模式，进行了传热、流动及不凝结气影响的试验。

Once , RHR system is unavailable , core decay heat will gather in the core , and lead to core damage .

因为，一旦余热排出系统丧失，堆芯衰变热将无法及时排出，并导致堆芯损坏。

In the paper an analysis for the safety characteristics of Modular HTGR is made , which involves : 1 . passive safety of removal of decay heat ;

分析了模块式高温气冷堆所具有的固有安全特性：1.余热载出的固有安全特性；

This data is not produced from measured data on the actual reactors at Fukushima , but from using a well established model that is routinely used to estimate decay heat from shutdown reactors .

这并不是福岛核电站关闭反应后的实际衰变热变化趋势，而是根据以往核反应关闭后的衰变热变化建立的模型推测所得的结果。

It has less impact on environment , low radioactivity , low decay heat and low contact radiation dose rate for long time , and it can recycle . These properties offer it good safety and friendly environmental features .

它对环境的损害小，具有长期稳定的低放射性、低的衰变热、低的接触放射剂量，并可回收利用，显示出了良好的安全性以及环境上的优势。

The passive residual heat removal heat exchanger is an important device in the passive safety system , which charged with the important task of removing core decay heat during the accident operating conditions to ensure the safety of reactor .

非能动余热排出换热器是非能动安全系统中的一个重要设备，担负着事故工况下导出堆芯余热，保证反应堆安全的重任。

The passive residual heat removal system ( PRHR ) is a successful application of the passive safety design theory . Its function is to remove core decay heat for any postulated non-LOCA event , prevent the occurrence of reactor meltdown accident .

非能动余热排出系统是非能动安全设计思想的一个成功应用，担负着反应堆停堆后安全可靠地排出堆芯余热，防止出现堆芯熔化事故的重任。

In the normal condition , this " paradox " may be explained away by the rapid decay of heat waves .

在通常情况下，热波的迅速衰减掩盖了这种佯谬。

The water temperature originates in geothermy warming rate and the radioactive element decay has the heat energy .

水温来源于地热增温率及放射元素的衰变产生热能。

In the decay stage of heat convection , the height of convective is decreased , and the vertical movement is getting gentle and lasts for very long time .

在热对流消退期，对流高度逐渐降低，上升运动变得相对和缓并维持较长时间。

Lack of oxygen inhibited decay , and heat and pressure over millennia turned the wood into solid quartz colored by impurities like iron , carbon , and manganese .

缺乏氧气的抑制衰减，热量和压力，几千年来，把木材变成坚实的石英色彩的杂质一样，铁，碳，锰。

Nonradiative decay process will generate heat , decreasing the out power and the slope efficiency , and decreasing the beam quality .

无辐射跃迁过程中会产生大量热量，引起热效应，降低激光器输出功率和输出功率与吸收泵浦功率的斜效率，影响光束质量。

The decay radiation then deposits most of its energy in the fuel , and this is what is referred to as decay heat .

衰变辐射也能释放部分热量，这种热量被称为衰变热。

As these radioactive isotopes continue to decay , more and more of them reach a stable state and stop emitting radiation , and thus no longer contribute to the decay heat .

只有当放射性同位素持续衰变，越来越多的放射性同位素处于稳定状态并停止产生电磁辐射能，衰变热才能彻底停止。