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local boiling
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  局部沸腾
     Researches indicate that calculation results of these two models are in reasonable range. However,Rin Yun model can be used to calculate local boiling heat transfer coefficients in different vapor quality,and influence factors are considered completely in this model.
     研究表明,这两种换热模型的计算结果都在合理的范围内,而RinYun模型可以用来计算不同干度区域的局部沸腾换热系数,且该模型考虑的影响因子较为全面。
短句来源
     Based on the flow pattern map,local boiling heat transfer coefficients were calculated with different correlations.
     根据流型图,应用不同表达形式的关联式计算管内局部沸腾换热系数。
短句来源
  “local boiling”译为未确定词的双语例句
     THE POSSIBILITY RESEARCH ON LOCAL BOILING STARTUP OF 5 MW LTHR
     5MW低温供热反应堆微沸腾运行启动可行性研究
短句来源
     Theresult shows that, by a new type of mode of startup, the reactor can transitstably from single phase natural cycle to two-phase local boiling natural cycle mode,as long as some special parameters of the reactor are controled temporarily.
     结果表明,在一种新颖的启动方式下,只要对反应堆的某些特定参数作适当的实时控制,反应堆就能从单相向两相微沸运行方式稳定过渡。
短句来源
  相似匹配句对
     LOCAL NEWS
     国内消息
短句来源
     The boiling point (b. p.)
     脂肪醇沸点(b.p.)
短句来源
     the Central and the Local;
     二是处理好中央与地方的关系;
短句来源
     THE POSSIBILITY RESEARCH ON LOCAL BOILING STARTUP OF 5 MW LTHR
     5MW低温供热反应堆微沸腾运行启动可行性研究
短句来源
     LOCAL DYNAMICS OF BUBBLES AND JETS DURING SUB-COOLED BOILING
     过冷沸腾中的局域气泡和射流的动态行为
短句来源
查询“local boiling”译词为用户自定义的双语例句

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  local boiling
Analysis of these equations reveals three mechanisms for altering saturation: local boiling, the spatial dependence of flowing enthalpy due to the convective transport of fluid, and counterflow.
      
The local boiling curves for the gap size 4.0mm were shown in Fig.7.
      
They correlated the saturated local boiling heat transfer coefficient data with the following simple correlation.
      
It was observed that there are some scatters for the local boiling curves.
      
For example, with local boiling, high rates of heat transfer are possible.
      
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The wall thickness of heat transfer tube of the steam generator used in nuclear power plant is rather thin and tubes work under very severe conditions. Therefore, tubes cracking owing to corrosion is common.A new corrosion testing facility with heat flux causing surface boiling conditions provides a powerful tool in studying the stress corrosion cracking of tubes under real working conditions and finding solutions of protecting tubes from stress ^corrosion. The facility can be used to screen heat transfer tubes...

The wall thickness of heat transfer tube of the steam generator used in nuclear power plant is rather thin and tubes work under very severe conditions. Therefore, tubes cracking owing to corrosion is common.A new corrosion testing facility with heat flux causing surface boiling conditions provides a powerful tool in studying the stress corrosion cracking of tubes under real working conditions and finding solutions of protecting tubes from stress ^corrosion. The facility can be used to screen heat transfer tubes with different materials and processing technologies relating to their corrosion properties.lt also can be used to simulate properties of anti-stress corrosion cracking with local boiling and concentrating working conditions in a steam generator, to study local corrosion cracking of tubes located at areas sensitizing to corrosion, to determine the tolerable limit of Cl~ and NaOH concentration in the secondary circuit water and to workout the safety standard of water quality for a nuclear power plant. The facility with simulating working conditions of tubes in the steam generator is much better than static autoclave. It is closer to the real working conditions.Comparing with the mockup testing, it has many advantages such as simple, exquisite, less cost, easy to build and operate and more efficient.

核蒸汽发生器中的传热管,因管壁最薄,工作条件十分恶劣,往往由于腐蚀而破裂。新型具有热流表面沸腾工况的腐蚀试验装置为深入研究传热管在工况条件下的应力腐蚀破裂原因及其解决办法,提供了最新的试验手段,此装置可以用于各种材质及不同加工工艺的传热管的腐蚀筛选,模拟蒸汽发生器局部沸腾浓缩工况下的抗应力腐蚀破裂性能的研究,传热管结构腐蚀敏感部位的局部腐蚀破裂性能研究,确定二回路水质中Cl~-和NaOH浓度的控制范围,制订出水质的危险标准。装置的试验与静态高压釜试验相比前进了一大步,使试验条件更加接近于工况条件,与模拟体试验相比也能进行模拟工况试验,但比模拟体试验简单容易、投资少、见效快、小巧灵活、在工程研究上起到很大的作用。

The wall thickness of heat transfer tube of the steam generator used in nuclear power plant is rather thin and tubes work under very severe conditions. Therefore, tubes cracking owing to corrosion is common. A new corrosion testing facility with heat flux causing surface boiling conditions provides a powerful tool in studying the stress corrosion cracking of tubes under real working conditions and finding solutions of protecting tubes from stress corrosion. The facility can be used to screen heat transfer tubes...

The wall thickness of heat transfer tube of the steam generator used in nuclear power plant is rather thin and tubes work under very severe conditions. Therefore, tubes cracking owing to corrosion is common. A new corrosion testing facility with heat flux causing surface boiling conditions provides a powerful tool in studying the stress corrosion cracking of tubes under real working conditions and finding solutions of protecting tubes from stress corrosion. The facility can be used to screen heat transfer tubes with different materials and processing technologies relating to their corrosion properties. It also can be used to simulate properties of anti-stress corrosion cracking with local boiling and concentrating working conditions in a steam generator, to study local corrosion cracking of tubes located at areas sensitizing to corrosion, to determine the tolerable limit of Cl- and NaOH concentration in the secondary circuit water and to workout the safety standard of water quality for a nuclear power plant. The facility with simulating working conditions of tubes in the steam generator is much better than static autoclave. It is closer to the real working conditions. Comparing with the mockup testing, it has many advantages such as simple, exquisite, less cost, easy to build and operate and more efficient.

核蒸汽发生器中的传热管,因管壁最薄,工作条件十分恶劣,往往由于腐蚀而破裂。新型具有热流表面沸腾工况的腐蚀试验装置,为深入研究传热管在工况条件下的应力腐蚀破裂原因及其解决办法,提供了最新的试验手段,此装置可以用于各种材质及不同加工工艺的传热管的腐蚀筛选,模拟蒸汽发生器局部沸腾浓缩工况下的抗应力腐蚀破裂性能的研究,传热管结构腐蚀敏感部位的局部腐蚀裂性能研究,确定二回路水质中Cl~-和NaOH浓度的控制范围,制订出水质的危险标准。装置的试验与静态高压釜试验相比前进了一大步,使试验条件更加接近于工况条件,与模拟体试验相比也能进行模拟工况试验,但比模拟体试验简单容易、投资少、见效快、小巧灵活、在工程研究上起到很大的作用。

Using RETRAN-02, the paper researches systematically the ways of lacalboiling startup of 5 MW Low Temperature Heating Reactor (LTHR), designed andbuilt at Institute of Nuclear Energy and Technology (INET) of TsinghuaUniversity. The affect of startup stability by the rate of control reactivityinsertion, the amount of vapour condensation of the primary collant system andthe amount of heat transfer of the primary coolant system are analysed. Theresult shows that, by a new type of mode of startup, the reactor can...

Using RETRAN-02, the paper researches systematically the ways of lacalboiling startup of 5 MW Low Temperature Heating Reactor (LTHR), designed andbuilt at Institute of Nuclear Energy and Technology (INET) of TsinghuaUniversity. The affect of startup stability by the rate of control reactivityinsertion, the amount of vapour condensation of the primary collant system andthe amount of heat transfer of the primary coolant system are analysed. Theresult shows that, by a new type of mode of startup, the reactor can transitstably from single phase natural cycle to two-phase local boiling natural cycle mode,as long as some special parameters of the reactor are controled temporarily.

文章用RETRAN-02程序,对清华大学核能技术研究所设计和建造的5MW低温供热堆的微沸运行启动方式进行了较为系统的研究;分析了控制反应性引入速率、主回路蒸汽冷凝量大小及主回路对外总传热量的大小对启动稳定性的影响。结果表明,在一种新颖的启动方式下,只要对反应堆的某些特定参数作适当的实时控制,反应堆就能从单相向两相微沸运行方式稳定过渡。

 
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