[1]覃海波,倪何,金家善.基于残差修正的离心泵差异演化建模与汽蚀特性[J].哈尔滨工程大学学报,2019,40(02):298-303.[doi:10.11990/jheu.201801013]
 QIN Haibo,NI He,JIN Jiashan.Differential evolutionary modeling with residual correction and cavitation characteristics analysis of a centrifugal pump[J].hebgcdxxb,2019,40(02):298-303.[doi:10.11990/jheu.201801013]
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基于残差修正的离心泵差异演化建模与汽蚀特性(/HTML)
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
40
期数:
2019年02期
页码:
298-303
栏目:
出版日期:
2019-02-05

文章信息/Info

Title:
Differential evolutionary modeling with residual correction and cavitation characteristics analysis of a centrifugal pump
作者:
覃海波 倪何 金家善
海军工程大学 动力工程学院, 湖北 武汉 430033
Author(s):
QIN Haibo NI He JIN Jiashan
College of Power Engineering, Naval University of Engineering, Wuhan 430033, China
关键词:
离心泵汽蚀差异演化算法自动建模残差修正显式模型船用凝水系统
分类号:
TK229.5;TP391.9
DOI:
10.11990/jheu.201801013
文献标志码:
A
摘要:
为构建精确的离心泵数学模型,在其机理模型基础上,利用差异演化算法自动辨识模型的参数和结构,并采用已有实验数据与该模型的残差实行修正,得到了精度较高的离心泵扬程-转速-流量模型;在该模型和已有凝水系统模型的基础上,研究某型船用凝水系统在凝水泵转速、冷凝器压力及冷凝器水位变化时的汽蚀特性。仿真结果显示:基于残差修正方法的差异演化算法可以自动生成满足计算精度和计算实时性的离心泵显式模型。在特定的运行条件下,过高的凝水泵转速、过高的冷凝器压力和过低的冷凝器水位,均会导致凝水泵汽蚀。定性和定量分析结果可以为该型船用凝水系统的设计和控制优化提供参考。

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备注/Memo

备注/Memo:
收稿日期:2018-01-03。
基金项目:国家自然科学基金项目(51179196).
作者简介:覃海波,男,博士研究生;倪何,男,副教授;金家善,男,教授,博士生导师.
通讯作者:倪何,E-mail:elegance2006@sina.com
更新日期/Last Update: 2019-01-30