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| Performance influence in submersible pump with different diffuser inlet widths |
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Performance influence in submersible pump with different diffuser inlet widths 作者:Wei, QS (Wei, Qingshun)[ 1,2 ] ; Sun, XH (Sun, Xihuan)[ 1 ] ADVANCES IN MECHANICAL ENGINEERING 卷: 9 期: 1 文献号: 1687814016683354 DOI: 10.1177/1687814016683354 出版年: JAN 2017 查看期刊影响力 摘要 The diffuser inlet width is a key geometric parameter that affects submersible pump performance. On the basis of diffuser characteristic curve analyses, diffusers with different inlet widths and the same impeller were equipped to construct a submersible pump model through the use of AutoCAD software. The performance curves of the submersible pump, with six diffuser inlet widths, were obtained using computational fluid dynamics method. Simultaneously, the simulation results were tested with the experimental method presented in this article. The results show that the optimum value of the inlet width (b(3)=50 mm) is larger than the experience-based one. With an increase in the inlet width, the optimum operating point of a submersible pump offsets to a larger flow rate. When the guide blade inlet width is approximately 40-55 mm, the submersible pump efficiency is relatively high, approximately 75.9%-83.7% capacity, and the flow rate is approximately 105-135m(3)/h. The numerical results of submersible pump performance are higher than those of the test results; however, their change trends have an acceptable agreement with each other. The practical significance is supplied by changing the inlet width of the diffuser to expand the scope of use. 关键词 作者关键词:Submersible pump; diffuser; inlet width; performance; computational fluid dynamics KeyWords Plus:CENTRIFUGAL-PUMP; BLADE DESIGN; FLOW 作者信息 通讯作者地址: Sun, XH (通讯作者) 显示更多 Taiyuan Univ Technol, Coll Water Resource Sci & Engn, 79 Ying Ze St, Taiyuan, Peoples R China. 地址: 显示更多 [ 1 ] Taiyuan Univ Technol, Coll Water Resource Sci & Engn, 79 Ying Ze St, Taiyuan, Peoples R China 显示更多 [ 2 ] Shanxi Agr Univ, Coll Urban & Rural Construct, Jinzhong, Peoples R China 电子邮件地址:sunxihuan@tyut.edu.cn 基金资助致谢 基金资助机构 授权号 National Natural Science Foundation of China 51179116 Shanxi Provincial Natural Science Foundation of China 201601D102045 查看基金资助信息 出版商 SAGE PUBLICATIONS LTD, 1 OLIVERS YARD, 55 CITY ROAD, LONDON EC1Y 1SP, ENGLAND 类别 / 分类 研究方向:Thermodynamics; Engineering Web of Science 类别:Thermodynamics; Engineering, Mechanical 文献信息 文献类型:Article 语种:English 入藏号: WOS:000391727400008 ISSN: 1687-8140 其他信息 IDS 号: EH4FQ Web of Science 核心合集中的 "引用的参考文献": 22 Web of Science 核心合集中的 "被引频次": 0 |
2楼2018-03-17 12:38:32