原子能科学技术
原子能科學技術
원자능과학기술
ATOMIC ENERGY SCIENCE AND TECHNOLOGY
2013年
z2期
610-613
,共4页
AP1000%蒸汽发生器%RELAP5%模拟
AP1000%蒸汽髮生器%RELAP5%模擬
AP1000%증기발생기%RELAP5%모의
AP1000%steam generator%RELAP5%simulation
针对A P1000直立式自然循环U型管蒸汽发生器进行建模与仿真研究。根据蒸汽发生器的热工水力特性、流体流动特性、运行状态及REL A P5的建模原则，首先对蒸汽发生器进行了节点划分，确定各部件的类型、各个部件间的连接方式及各部件的边界条件，再在RELAP5输入卡中输入各部件的初始参数，实现蒸汽发生器的建模目标。最后在其他参数不变的情况下使蒸汽发生器在给水温度阶跃变化、蒸汽发生器一回路冷却剂入口温度阶跃变化、给水流量阶跃变化、蒸汽流量阶跃变化下，得到蒸汽发生器水位的变化趋势曲线。结果表明，RELAP5仿真结果与实际情况一致。
針對A P1000直立式自然循環U型管蒸汽髮生器進行建模與倣真研究。根據蒸汽髮生器的熱工水力特性、流體流動特性、運行狀態及REL A P5的建模原則，首先對蒸汽髮生器進行瞭節點劃分，確定各部件的類型、各箇部件間的連接方式及各部件的邊界條件，再在RELAP5輸入卡中輸入各部件的初始參數，實現蒸汽髮生器的建模目標。最後在其他參數不變的情況下使蒸汽髮生器在給水溫度階躍變化、蒸汽髮生器一迴路冷卻劑入口溫度階躍變化、給水流量階躍變化、蒸汽流量階躍變化下，得到蒸汽髮生器水位的變化趨勢麯線。結果錶明，RELAP5倣真結果與實際情況一緻。
침대A P1000직입식자연순배U형관증기발생기진행건모여방진연구。근거증기발생기적열공수력특성、류체류동특성、운행상태급REL A P5적건모원칙，수선대증기발생기진행료절점화분，학정각부건적류형、각개부건간적련접방식급각부건적변계조건，재재RELAP5수입잡중수입각부건적초시삼수，실현증기발생기적건모목표。최후재기타삼수불변적정황하사증기발생기재급수온도계약변화、증기발생기일회로냉각제입구온도계약변화、급수류량계약변화、증기류량계약변화하，득도증기발생기수위적변화추세곡선。결과표명，RELAP5방진결과여실제정황일치。
The vertical U-tube natural-circuit steam generator of AP1000 was modeled and simulated .According to the characteristics of thermal-hydraulic ,the characteristics of fluid flow , the operating state , and the modeling and simulation principle of RELAP5 ,the steam generator was divided into several nodes ,so as to determine the type of each component and the connection between the various components .Then the initial parameters of the component were entered to the RELAP5 input card ,and the goal of build a model for the steam generator was achieved .Finally ,the level change curves of steam generator were obtained under different parameter changes .The results show that the simulation results of RELAP5 are consistent with the actual situation .
