CN102331319B - 汽轮机通流叶片粗糙度造成的功率损失的测量及计算方法 - Google Patents
汽轮机通流叶片粗糙度造成的功率损失的测量及计算方法 Download PDFInfo
- Publication number
- CN102331319B CN102331319B CN2011101539985A CN201110153998A CN102331319B CN 102331319 B CN102331319 B CN 102331319B CN 2011101539985 A CN2011101539985 A CN 2011101539985A CN 201110153998 A CN201110153998 A CN 201110153998A CN 102331319 B CN102331319 B CN 102331319B
- Authority
- CN
- China
- Prior art keywords
- steam turbine
- blade
- roughness
- loss
- flow
- 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
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000003746 surface roughness Effects 0.000 claims abstract description 21
- 238000013461 design Methods 0.000 claims description 22
- 238000012937 correction Methods 0.000 claims description 18
- 238000011156 evaluation Methods 0.000 claims description 13
- 238000005259 measurement Methods 0.000 claims description 12
- 238000004364 calculation method Methods 0.000 claims description 6
- 238000004326 stimulated echo acquisition mode for imaging Methods 0.000 claims description 3
- 238000004439 roughness measurement Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000011158 quantitative evaluation Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004069 plant analysis Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
Description
设计参数 | 参数值 |
第四级静叶叶片宽度Wb | 38.1 mm |
叶片表面粗糙度ks | 3.3×10-3 mm |
汽轮机高压缸设计级数N | 7级 |
汽轮机高压缸设计进汽量wT | 495.77 kg/s |
汽轮机高压缸设计焓降UE | 333.78 kJ/kg |
汽轮机高压缸设计排汽压力Pexh | 4.235 MPa |
汽轮机高压缸第四级设计排汽压力Ploss | 7.69 MPa |
汽轮机汽缸排汽压力与评估级排汽压力比 Pexh/Ploss | 汽轮机通流级损失系数 CLF |
0.05 | 0.55 |
0.1 | 0.64 |
0.2 | 0.73 |
0.3 | 0.78 |
0.4 | 0.83 |
0.5 | 0.87 |
0.6 | 0.905 |
0.7 | 0.93 |
0.8 | 0.96 |
0.9 | 0.98 |
1.0 | 1.0 |
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011101539985A CN102331319B (zh) | 2011-06-09 | 2011-06-09 | 汽轮机通流叶片粗糙度造成的功率损失的测量及计算方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011101539985A CN102331319B (zh) | 2011-06-09 | 2011-06-09 | 汽轮机通流叶片粗糙度造成的功率损失的测量及计算方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102331319A CN102331319A (zh) | 2012-01-25 |
CN102331319B true CN102331319B (zh) | 2013-11-13 |
Family
ID=45483178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011101539985A Active CN102331319B (zh) | 2011-06-09 | 2011-06-09 | 汽轮机通流叶片粗糙度造成的功率损失的测量及计算方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102331319B (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103196608B (zh) * | 2013-04-01 | 2016-03-02 | 国家电网公司 | 一种汽轮机轴封泄漏对汽轮机功率损失的评估方法 |
CN103196619B (zh) * | 2013-04-01 | 2016-12-28 | 国家电网公司 | 一种汽轮机内部通流叶片间压力的估算方法 |
CN103335761B (zh) * | 2013-06-03 | 2016-03-02 | 国家电网公司 | 汽轮机通流级动静汽封泄漏对汽轮机功率损失的评估方法 |
CN103942732A (zh) * | 2014-04-24 | 2014-07-23 | 国家电网公司 | 一种纯凝汽轮机组供热技术改造效果的经济性评价方法 |
CN104634489B (zh) * | 2014-12-05 | 2017-04-12 | 广东电网有限责任公司电力科学研究院 | 汽轮机的功率检测方法和系统 |
CN110864724A (zh) * | 2019-10-23 | 2020-03-06 | 中国神华能源股份有限公司国华电力分公司 | 压气机的动叶缺损检查方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5289275B2 (ja) * | 2008-12-26 | 2013-09-11 | 株式会社東芝 | 蒸気タービン翼及び蒸気タービン翼の製造方法 |
-
2011
- 2011-06-09 CN CN2011101539985A patent/CN102331319B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN102331319A (zh) | 2012-01-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102331319B (zh) | 汽轮机通流叶片粗糙度造成的功率损失的测量及计算方法 | |
Liu et al. | A selected literature review of efficiency improvements in hydraulic turbines | |
CN105787211B (zh) | 针对燃气透平劣化的联合循环余热锅炉压力调整方法 | |
CN105201564A (zh) | 一种基于主蒸汽流量的汽轮机滑压优化的控制方法 | |
CN107905858B (zh) | 末级安全流量监测与控制系统及方法 | |
Abam et al. | Thermodynamic assessment of grid-based gas turbine power plants in Nigeria | |
CN114239218B (zh) | 一种变工况下汽轮机组主蒸汽压力寻优计算方法 | |
CN111400875A (zh) | 一种汽轮机组运行经济性评价方法及系统 | |
CN113486472A (zh) | 一种汽轮机缸效率对热耗率影响量的计算方法 | |
CN111927576B (zh) | 一种汽轮发电机组空载能耗测试方法 | |
CN104459542A (zh) | 再热回热复合循环机组的热耗率测定方法 | |
CN114396322A (zh) | 一种深度调峰机组汽轮机本体a级检修的判断方法及装置 | |
Brun et al. | Aerodynamic instability and life limiting effects of inlet and interstage water injection into gas turbines | |
Thern et al. | Temporary CO2 capture shut down: Implications on low pressure steam turbine design and efficiency | |
Uysal | Analysis of Gas Turbine Cooling Technologies for Higher Natural Gas Combined Cycle Efficiency | |
CN106251028A (zh) | 一种火电厂汽轮机大修周期的预测方法 | |
CN104408540A (zh) | 一种汽轮机改造节能量的评估方法 | |
Liu et al. | Influence mechanisms of manufacture variations on supersonic/transonic blade aerodynamic performances | |
Parvizinia et al. | Numerical and Experimental Investigations into the Aerodynamic performance of a supersonic turbine blade profile | |
CN113433826B (zh) | 出灰周期优化自动控制方法 | |
Stoppato et al. | A diagnosis procedure for energy conversion plants: Part I—Description of the method | |
Chen et al. | Calculation Method of Influence of Relative Efficiency Change of Steam Turbine Cylinder on Heat Loss | |
CN113065290B (zh) | 一种高位布置汽轮发电机组的节能效果评估方法 | |
LU503774B1 (en) | A Zero Output Heating System for Low Pressure Cylinders | |
Suzuki et al. | Recent upgrading and life extension technologies for existing steam turbines |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. HEBEI ELECTRIC POWER CORP Effective date: 20130105 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 050021 SHIJIAZHUANG, HEBEI PROVINCE TO: 050091 SHIJIAZHUANG, HEBEI PROVINCE |
|
TA01 | Transfer of patent application right |
Effective date of registration: 20130105 Address after: 050091 Hebei high tech District of Shijiazhuang City Xinshi North Road, No. 86 Applicant after: Hebei Electric Power Construction & Adjustment Research Institute Applicant after: State Grid Corporation of China Applicant after: Electric Power Research Institute of Hebei Electric Power Corporation Address before: 050021 No. 238 South Sports street, Hebei, Shijiazhuang Applicant before: Hebei Electric Power Construction & Adjustment Research Institute |
|
ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: STATE ELECTRIC NET CROP. HEBEI ELECTRIC POWER CORPORATION ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20131012 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20131012 Address after: 050091 Hebei high tech District of Shijiazhuang City Xinshi North Road, No. 86 Applicant after: Hebei Electric Power Construction & Adjustment Research Institute Address before: 050091 Hebei high tech District of Shijiazhuang City Xinshi North Road, No. 86 Applicant before: Hebei Electric Power Construction & Adjustment Research Institute Applicant before: State Grid Corporation of China Applicant before: Electric Power Research Institute of Hebei Electric Power Corporation |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder |
Address after: 050091 Hebei high tech District of Shijiazhuang City Xinshi North Road, No. 86 Patentee after: National network Hebei Energy Technology Service Co., Ltd. Address before: 050091 Hebei high tech District of Shijiazhuang City Xinshi North Road, No. 86 Patentee before: Hebei Electric Power Construction & Adjustment Research Institute |
|
CP01 | Change in the name or title of a patent holder |