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
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- 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
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- steam turbine
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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 |
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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 |
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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 |
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CN102331319A CN102331319A (zh) | 2012-01-25 |
CN102331319B true CN102331319B (zh) | 2013-11-13 |
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Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
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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 |
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