CN105260580B - 一种确定混流式水轮机尾水管压力脉动幅值的方法 - Google Patents
一种确定混流式水轮机尾水管压力脉动幅值的方法 Download PDFInfo
- Publication number
- CN105260580B CN105260580B CN201510828478.8A CN201510828478A CN105260580B CN 105260580 B CN105260580 B CN 105260580B CN 201510828478 A CN201510828478 A CN 201510828478A CN 105260580 B CN105260580 B CN 105260580B
- Authority
- CN
- China
- Prior art keywords
- pressure fluctuation
- turbine
- prototype
- under
- draft tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Hydraulic Turbines (AREA)
- Control Of Water Turbines (AREA)
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510828478.8A CN105260580B (zh) | 2015-11-25 | 2015-11-25 | 一种确定混流式水轮机尾水管压力脉动幅值的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510828478.8A CN105260580B (zh) | 2015-11-25 | 2015-11-25 | 一种确定混流式水轮机尾水管压力脉动幅值的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105260580A CN105260580A (zh) | 2016-01-20 |
CN105260580B true CN105260580B (zh) | 2018-07-13 |
Family
ID=55100269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510828478.8A Active CN105260580B (zh) | 2015-11-25 | 2015-11-25 | 一种确定混流式水轮机尾水管压力脉动幅值的方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105260580B (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105740221A (zh) * | 2016-02-24 | 2016-07-06 | 中国电建集团成都勘测设计研究院有限公司 | 一种生成混流式原型水轮机运转综合特性曲线的方法 |
CN105889136B (zh) * | 2016-04-22 | 2018-01-16 | 江苏大学 | 一种用来降低离心泵内部压力脉动的离心泵改进方法 |
CN106951602B (zh) * | 2017-02-28 | 2020-08-07 | 哈尔滨工业大学 | 一种水轮机泄水锥打孔方法 |
CN107153753B (zh) * | 2017-06-26 | 2020-10-09 | 中国电建集团成都勘测设计研究院有限公司 | 一种混流式水轮机基本参数估算的方法 |
CN111734568B (zh) * | 2020-07-02 | 2021-09-24 | 哈尔滨电机厂有限责任公司 | 一种确定水轮机动静干涉振动能量的方法 |
CN112100772B (zh) * | 2020-09-11 | 2024-05-17 | 西安热工研究院有限公司 | 补气对尾水管压力脉动及机组动态特性影响的评估方法 |
CN112528431B (zh) * | 2020-12-02 | 2022-11-18 | 四川大学 | 基于相似原理的变速混流式水轮机最佳转速计算方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104748839A (zh) * | 2015-04-02 | 2015-07-01 | 贵州电力试验研究院 | 基于实时在线监测的水轮发电机组振动状态区域监测方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5268811B2 (ja) * | 2009-07-17 | 2013-08-21 | 東京電力株式会社 | 落差工・堰用水車設備 |
-
2015
- 2015-11-25 CN CN201510828478.8A patent/CN105260580B/zh active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104748839A (zh) * | 2015-04-02 | 2015-07-01 | 贵州电力试验研究院 | 基于实时在线监测的水轮发电机组振动状态区域监测方法 |
Non-Patent Citations (5)
Title |
---|
《Numerical Simulation of Swirling Flow in Complex Hydroturbine Draft Tube Using Unsteady Statistical Turbulence Models》;Joongcheol Paik 等;《Journal of Hydraulic Engineering》;20050630;第131卷(第6期);第441-456页 * |
《水泵水轮机泵工况的压力脉动特性》;王乐勤 等;《排灌机械工程学报》;20130131;第31卷(第1期);第7-10页,第35页 * |
《混流式水轮机压力脉动精细模拟和分析》;张宇宁 等;《水力发电学报》;20090228;第28卷(第1期);第183-186页 * |
《混流式水轮机部分负荷下尾水管压力脉动试验研究》;张飞 等;《水利学报》;20111031;第42卷(第10期);第1234-1238页 * |
《龚嘴电厂水轮机改造压力脉动试验研究》;许巍巍;《东方电机》;20050228(第1期);第23-28页 * |
Also Published As
Publication number | Publication date |
---|---|
CN105260580A (zh) | 2016-01-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105260580B (zh) | 一种确定混流式水轮机尾水管压力脉动幅值的方法 | |
Kan et al. | Numerical study on the internal flow characteristics of an axial-flow pump under stall conditions | |
Braun | Part load flow in radial centrifugal pumps | |
Yin et al. | Performance prediction and flow analysis in the vaned distributor of a pump turbine under low flow rate in pump mode | |
CN112922582B (zh) | 基于高斯过程回归的气井井口油嘴气体流量分析预测方法 | |
Du et al. | Study on the effects of runner geometric parameters on the performance of micro Francis turbines used in water supply system of high-rise buildings | |
Wang et al. | Analysis of inner flow in low specific speed centrifugal pump based on LES | |
CN108561195A (zh) | 一种低温液体膨胀机内旋涡空化流动的有效控制方法 | |
Zhang et al. | Unsteady tip clearance flow in an isolated axial compressor rotor | |
Lihui et al. | Effects of vortex structure on hydraulic loss in a low head Francis turbine under overall operating conditions base on entropy production method | |
Yang et al. | Hydraulic components’ matching optimization design and entropy production analysis in a large vertical centrifugal pump | |
Yang et al. | Comparative evaluation of the pump mode and turbine mode performance of a large vaned-voluted centrifugal pump | |
CN113446146A (zh) | 一种在线水轮机效率试验方法 | |
Yang et al. | Analysis on the Mechanism of Rotating Stall Inner a Pump Turbine in Pump Mode Based on the Proper Orthogonal Decomposition | |
Shrestha et al. | Improvement of flow behavior in the spiral casing of Francis hydro turbine model by shape optimization | |
Xue et al. | Research and optimization of performances of a pump turbine in pump mode | |
Jia et al. | Study on hump characteristics of pump turbine with different guide vane exit angles | |
Qin et al. | Hydraulic optimisation design of axial flow pump based on blade velocity distribution | |
Zhang et al. | Experimental and numerical study of reverse power generation in coastal axial flow pump system using coastal water | |
Zhou et al. | Study of hydraulic disturbances from single-unit load rejection in a pumped-storage hydropower station with a shared water delivery system | |
Bisping et al. | Influence of diffuser diameter ratio on the performance of a return channel within a centrifugal compressor stage | |
CN112855571B (zh) | 一种基于电信号的固液两相流泵流量的测量装置和方法 | |
Ji et al. | Comparison of Saddle‐Shaped Region of Head‐Flow Curve between Axial‐Flow Pump and Its Corresponding Axial‐Flow Pump Device | |
CN107013400B (zh) | 一种液力透平 | |
Benigni et al. | Simulation of damages due to cavitation in non-rotating components in a Kaplan turbine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190917 Address after: 150040 technical management department of Harbin electric machinery factory limited liability company, No. three power Road No. 99, Xiangfang District, Heilongjiang, Harbin Co-patentee after: Songhua River hydropower generation Co., Ltd. Jilin Baishan power plant Patentee after: Harbin Electric Machine Co., Ltd. Address before: 150040 technical management department of Harbin electric machinery factory limited liability company, No. three power Road No. 99, Xiangfang District, Heilongjiang, Harbin Patentee before: Harbin Electric Machine Co., Ltd. |