An Experimental Research of Natural Circulation Heat Transfer for PRHR Heat Exchanger in AP1000  

作　　者：Minghui Duan Yuzhou Chen Yvfeng Lv Weiqing Li Keming Bi Wei Wang Kaiwen Du Han Wang 

机构地区：[1]China Institute of Atomic Energy, P.O Box 275(59), Beijing 102413, China [2]State Nuclear Power Technology Research & Development Centre, Beijing 102209, China

出　　处：《Journal of Energy and Power Engineering》2016年第9期545-554,共10页能源与动力工程（美国大卫英文）

摘　　要：The heat transfer characteristics of the PRHR （passive residual heat removal） HX （heat exchanger） are very important to reactor design and safety assessment of AP1000. The purpose of the present experiment was to obtain the natural circulation data in HX to research the heat transfer behavior. The PRHR HX was simulated by three C-type tubes with prototype sizes immerged in a cooling tank. Separate-effect tests of natural circulation in HX tubes have been performed within wide conditions which could cover the operation conditions in AP1000. The experiment provided lots of important data to indicate heat transfer phenomena of PRHR HX. The test conditions were calculated by RELAP5/MOD3.3. The calculation results agreed well with the experiment. RELAP5 could be applied with proper correlations to analyze the heat transfer in PRHR HX under the test conditions.

关 键 词：PRHR HX natural circulation separate-effect tests AP1000 

分 类 号：TP334.2[自动化与计算机技术—计算机系统结构] TM623[自动化与计算机技术—计算机科学与技术]