基于漂移流理论的蒸汽发生器动态特性

doi:10.3969/j.issn.0438-1157.2013.z1.007

化工学报 ›› 2013, Vol. 64 ›› Issue (S1): 46-52.DOI: 10.3969/j.issn.0438-1157.2013.z1.007

基于漂移流理论的蒸汽发生器动态特性

孙宝芝¹, 韩文静¹, 鲍杰², 郑陆松¹, 齐宏亮¹, 干依燃¹

1. 哈尔滨工程大学动力与能源工程学院, 黑龙江哈尔滨 150001;
2. 环境保护部核与辐射安全中心, 北京 100082

收稿日期:2013-11-18 修回日期:2013-11-25 出版日期:2013-12-30 发布日期:2013-12-30
通讯作者: 孙宝芝(1971—)，女，教授。
作者简介:孙宝芝(1971—)，女，教授。
基金资助:
国家自然科学基金项目(51109048)；黑龙江省自然科学基金项目(E201346)；中国博士后科学基金项目(20100471017)；中央高校基本科研业务费基金项目。

Dynamic characteristics analysis of steam generator based on drift-flux

SUN Baozhi¹, HAN Wenjing¹, BAO Jie², ZHENG Lusong¹, QI Hongliang¹, GAN Yiran¹

1. College of Power and Energy Engineering, Harbin Engineering University, Harbin 150001, Heilongjiang, China;
2. Nuclear and Radiation Safety Center, Beijing 100082, China

Received:2013-11-18 Revised:2013-11-25 Online:2013-12-30 Published:2013-12-30
Supported by:
supported by the National Natural Science Foundation of China(51109048), the Natural Science Foundation of Heilongjiang Province(E201346), the China Postdoctoral Science Foundation(20100471017) and the Fundamental Research Funds for the Central Universities.

摘要/Abstract

摘要： 以大亚湾核电站U型管自然循环蒸汽发生器为研究对象，根据蒸汽发生器上升通道沸腾段特点，建立了适合工程应用的漂移流模型动态方程。在验证稳态工作特性及与漂移流理论所涉及的关键参数准确性的基础上,进行了蒸汽发生器动态特性仿真与分析。结果表明，所建立的漂移流模型能够较准确地反映蒸汽发生器两相流的流动与换热特性。随着扰动的添加蒸汽发生器各参数都表现出合理的变化趋势，并准确地模拟出“虚假水位”现象，且负荷越高水位对扰动的响应速度与程度越大。

关键词: 蒸汽发生器, 漂移流模型, 动态特性, 两相流

Abstract: This article regards U-bend tube natural-circuit steam generator of Daya Bay Nuclear Power Station as the research target. Drift-flux dynamic model is established for the engineering application according to the characteristics of rising channel boiling section of steam generator. Based on the verification accuracy of steady state characteristic and the key parameters involved in drift-flux theory, the dynamic characteristics of steam generator are simulated and analyzed. The results suggest that the drift-flux theory can be used to predict and reflect the flow and heat transfer characteristics of two-phase flow in the steam generator. With the add of the disturbance, all parameters of steam generator show a reasonable variable trend. And the “false water level” phenomenon is accurately simulated. Meanwhile, the response speed and degree of the water level to disturbance is greater as the load increases.

Key words: steam generator, drift flow model, dynamic characteristics, two-phase flow

中图分类号:

孙宝芝, 韩文静, 鲍杰, 郑陆松, 齐宏亮, 干依燃. 基于漂移流理论的蒸汽发生器动态特性[J]. 化工学报, 2013, 64(S1): 46-52.

SUN Baozhi, HAN Wenjing, BAO Jie, ZHENG Lusong, QI Hongliang, GAN Yiran. Dynamic characteristics analysis of steam generator based on drift-flux[J]. CIESC Journal, 2013, 64(S1): 46-52.

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基于漂移流理论的蒸汽发生器动态特性

Dynamic characteristics analysis of steam generator based on drift-flux

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