Pressure and temperature analyses using GOTHIC for Mark I containment of the Chinshan Nuclear Power Plant

Chinshan Nuclear Power Plant in Taiwan is a GE-designed twin-unit BWR/4 plant with original licensed thermal power (OLTP) of 1775 MWt for each unit. Recently, the Stretch Power Uprate (SPU) program for the Chinshan plant is being conducted to uprate the core thermal power to 1858 MWt (104.66% OLTP). In this study, the Chinshan Mark I containment pressure/temperature responses during LOCA at 105% OLTP (104.66% OLTP + 0.34% OLTP power uncertainty = 105% OLTP) are analyzed using the containment thermal-hydraulic program GOTHIC. Three kinds of LOCA (Loss of Coolant Accident) scenarios are investigated: Recirculation Line Break (RCLB), Main Steam Line Break (MSLB), and Feedwater Line Break (FWLB). In the short-term analyses, blowdown data generated by RELAP5 transient analyses are provided as boundary conditions to the GOTHIC containment model. The calculated peak drywell pressure and temperature in the RCLB event are 217.2 kPaG and 137.1 °C, respectively, which are close to the original FSAR results (219.2 kPaG and 138.4 °C). Additionally, the peak drywell temperature of 155.3 °C calculated by MSLB is presented in this study. To obtain the peak suppression pool temperature, a long-term RCLB analysis is performed using a simplified RPV (Reactor Pressure Vessel) volume to calculate blowdown flow rate. One RHR (Residual Heat Removal) heat exchanger is assumed to be inoperable for suppression pool cooling mode. The calculated peak suppression pool temperature is 93.2 °C, which is below the pool temperature used for evaluating the net positive suction head of pumps of the RHR system and the Emergency Core Cooling Systems (96.7 °C). The peak containment pressure and temperature are well below the design value (386.1 kPaG and 171.1 °C). Containment integrity of Chinshan Plant can be maintained under the SPU condition.     

关于编写放射性物质运输环境影响报告书需要注意的问题

本文提出了编写放射性物质运输环境影响报告书时应该注意的问题。着重对运输线路优化分析、事故源项、事故的防范措施和应急准备,以及运输质量保证等方面进行了讨论。     

HTR-10的运行工况监督和事故工况追忆

总结了将分布式计算机控制系统（DCS）用于10MW高温气冷堆运行工况的监督和事故工况追忆的设计思路,主要包括历史数据库,事故追忆库,人机界面和运行报表的组态设计。     

Report of the Treasurer: 1977. Revenues, expenses, and all that jazz.

Presents a report from the American Psychological Association's treasurer for the year 1977. Because APA's activities and materials are largely in publications, and since these constitute over half of our annual revenues, the first part of this year's Treasurer's Report is devoted to a selective overview of our publication programs and operations. The financial portion of the report includes (a) a report of the 1976 audited results from operations; (b) a look at APA's financial condition as of December 31, 1976; (c) a prediction for 1977; (d) a review of the 1978 approved budget; and (e) a projection for 1979. (PsycINFO Database Record (c) 2010 APA, all rights reserved)     

Predicting the Mean Annual Flood for Small Catchments: Experience in Northern Ireland

The paper describes six alternative equations for predicting mean annual flood from catchment characteristics, developed in and subsequent to the UK Flood Studies Report and tested for ten small catchments in Northern Ireland. The most satisfactory equation was found to be one developed in the mid-1980s for large catchments in the Province. Equations which were developed using small-catchment data from elsewhere in the UK performed less well. The paper considers whether there is a real difference in the behaviour of small and large catchments in Northern Ireland, and examines alternative methods of estimating the mean annual flood in partly-urbanised areas.     

基于面向对象技术的CS系列集散控制系统报表软件设计与实现

给出了一种基于面向对象技术的CS系列集散控制系统报表程序设计方法．并给出了其实现框图。     

岭澳二期核电站主回路设备月进度报告编制方法探讨

岭澳二期核电站是中国广东核电集团继大亚湾核电站、岭澳一期核电站之后,在广东深圳地区建设的第三座百万千瓦级大型商用核电站。工程采用二代改进型核电站技术,是我国“十五”核电自主化的依托项目。项目规划建设两台百万千瓦级压水堆核电机组,计划于2005年12月第一罐混凝土,2010年和2011年两台机组分别建成并投入商业运行。如何更好进行项目管理,是一个新课题,其中月进度报告的编写在为项目管理提供必要的信息方面有着极其重要的作用。本文对岭澳二期核电站主回路设备月度报告的编制进行了简要探讨和介绍。     

基于Web的自助在线学习系统设计与实现

随着现代科学技术的迅猛发展,人们在现实生活中需要不断地补充各种知识以便在生活与工作中更好地利用各种现代科技。自助在线学习系统将在Internet上为人们的学习与交流提供一个平台,系统课程的动态可变性将能很好地适应社会的不断发展。本文采用Jsp技术分析与实现基于Web的自动在线学习系统。     

自动站月报审核中常见问题分析及对策思考

文章对自动气象站地面月报表数据文件在审核中经常遇到的问题进行了分析总结,针对这些问题提出了相应的解决对策,希望在地面数据质量控制工作中,对避免错情的发生、保证地面月数据文件的质量具有一定的参考。     

在组态软件RSView32中用VBA实现报表

本文阐述了在RSView32的环境下，通过ODBC接口将采集到的实时数据存入数据库Access中，许利用RSView32自带的VBA编辑器与办公软件EXCEL有机的结合起来生成报表。