Article(id=1222940986351801051, tenantId=1146029695717560320, journalId=1205116964453384197, issueId=1222940980886626474, articleNumber=null, orderNo=null, doi=10.20040/j.cnki.1000-7709.2023.20222111, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1665504000000, receivedDateStr=2022-10-12, revisedDate=1677772800000, revisedDateStr=2023-03-03, acceptedDate=null, acceptedDateStr=null, onlineDate=1769501452291, onlineDateStr=2026-01-27, pubDate=1700841600000, pubDateStr=2023-11-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769501452291, onlineIssueDateStr=2026-01-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769501452291, creator=13041195026, updateTime=1769501452291, updator=13041195026, issue=Issue{id=1222940980886626474, tenantId=1146029695717560320, journalId=1205116964453384197, year='2023', volume='41', issue='11', pageStart='1', pageEnd='226', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769501450987, creator=13041195026, updateTime=1769501450987, updator=13041195026, preIssue=null, nextIssue=null, ext=null, issueFiles=null}, startPage=195, endPage=199, ext={EN=ArticleExt(id=1222940987098387192, articleId=1222940986351801051, tenantId=1146029695717560320, journalId=1205116964453384197, language=EN, title=Analysis of Influencing Factors of Air Thermal Deicing Efficiency of Wind Turbine Blades, columnId=1222925284869922957, journalTitle=Water Resources and Power, columnName=ELECTROMECHANICS AND CONTROL ENGINEERING, runingTitle=null, highlight=null, articleAbstract=

The deicing effect of wind turbine blades was tested and analyzed based on the air-thermal method. The thermal conductivity efficiency of the paving structure and the influence of blower speed (or frequency) on the deicing efficiency were mainly considered. Firstly, the blade structure and layering structure were introduced, and the thermal conductivity was estimated by measuring the thickness of the layering structure. According to the ice-covered position of the blade in winter, the rationality of the thermal conductivity distribution of the blade during air-thermal deicing was verified. After that, the field blade deicing test was carried out by changing the speed (or frequency) of the blower. The test results reveal the root cause of the unbalanced deicing phenomenon in the process of wind turbine blade deicing by air thermal deicing system. It shows that the higher the speed (or frequency) of the blower is, the better the deicing equilibrium of the blade surface and the more significant the deicing effect are under the premise of ensuring the temperature stability of the outlet of the ventilation pipe. In addition, with the use of larger blower frequency, the internal circulation of the blade was enhanced, and the reasonable setting of the internal circulation structure of the blade can effectively improve the de-icing efficiency and reduce the de-icing consumption time.

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为分析风力机叶片气热除水效率的影响因素,基于气热法对风力机叶片除冰效果进行试验分析,重点考虑铺层结构的导热效率和鼓风机速度(或频率)对除冰效率的影响。首先对叶片构造和铺层结构进行介绍,通过对铺层结构厚度测量估算导热系数,根据冬季叶片覆冰位置,验证气热除冰时叶片导热分布合理性。之后通过改变鼓风机速度(或频率)进行现场叶片除冰试验。试验结果揭示了气热除冰系统在对风力机叶片除冰过程中出现的除冰不均衡现象的根本原因,表明在保证通风管出风口温度稳定的前提下,鼓风机速度(或频率)越高,叶片表面除冰均衡性越好,除冰效果越显著。此外,在使用更大鼓风机频率的同时增强叶片内部环流,合理设置叶片内部环流结构可有效提高除冰效率并减小除冰耗时。研究结果可为工程实践提供指导。

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周强(1974-),男,工程师,研究方向为新能源发电运行与控制技术,E-mail:
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雷和林(1970-),男,高级工程师,研究方向为新能源发电运行与控制技术,E-mail:

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雷和林(1970-),男,高级工程师,研究方向为新能源发电运行与控制技术,E-mail:

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雷和林(1970-),男,高级工程师,研究方向为新能源发电运行与控制技术,E-mail:

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风力机叶片气热除冰效率影响因素分析
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雷和林 , 周强 , 吴江波 , 周家兴 , 夏侯智聪 , 蒋辉 , 姜文兵
水电能源科学 | 机电与控制工程 2023,41(11): 195-199
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水电能源科学 | 机电与控制工程 2023, 41(11): 195-199
风力机叶片气热除冰效率影响因素分析
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雷和林 , 周强 , 吴江波, 周家兴, 夏侯智聪, 蒋辉, 姜文兵
作者信息
  • 国家电投集团江西吉安新能源有限公司,江西 吉安 330000
  • 雷和林(1970-),男,高级工程师,研究方向为新能源发电运行与控制技术,E-mail:

通讯作者:

周强(1974-),男,工程师,研究方向为新能源发电运行与控制技术,E-mail:
Analysis of Influencing Factors of Air Thermal Deicing Efficiency of Wind Turbine Blades
He-lin LEI , Qiang ZHOU , Jiang-bo WU, Jia-xing ZHOU, Zhi-cong XIAHOU, Hui JIANG, Wen-bing JIANG
Affiliations
  • Jiangxi Ji'an New Energy Co, LTD, State Power Investment Group, Ji'an 330000, China
出版时间: 2023-11-25 doi: 10.20040/j.cnki.1000-7709.2023.20222111
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为分析风力机叶片气热除水效率的影响因素,基于气热法对风力机叶片除冰效果进行试验分析,重点考虑铺层结构的导热效率和鼓风机速度(或频率)对除冰效率的影响。首先对叶片构造和铺层结构进行介绍,通过对铺层结构厚度测量估算导热系数,根据冬季叶片覆冰位置,验证气热除冰时叶片导热分布合理性。之后通过改变鼓风机速度(或频率)进行现场叶片除冰试验。试验结果揭示了气热除冰系统在对风力机叶片除冰过程中出现的除冰不均衡现象的根本原因,表明在保证通风管出风口温度稳定的前提下,鼓风机速度(或频率)越高,叶片表面除冰均衡性越好,除冰效果越显著。此外,在使用更大鼓风机频率的同时增强叶片内部环流,合理设置叶片内部环流结构可有效提高除冰效率并减小除冰耗时。研究结果可为工程实践提供指导。

风机叶片  /  覆冰  /  导热系数  /  鼓风机频率

The deicing effect of wind turbine blades was tested and analyzed based on the air-thermal method. The thermal conductivity efficiency of the paving structure and the influence of blower speed (or frequency) on the deicing efficiency were mainly considered. Firstly, the blade structure and layering structure were introduced, and the thermal conductivity was estimated by measuring the thickness of the layering structure. According to the ice-covered position of the blade in winter, the rationality of the thermal conductivity distribution of the blade during air-thermal deicing was verified. After that, the field blade deicing test was carried out by changing the speed (or frequency) of the blower. The test results reveal the root cause of the unbalanced deicing phenomenon in the process of wind turbine blade deicing by air thermal deicing system. It shows that the higher the speed (or frequency) of the blower is, the better the deicing equilibrium of the blade surface and the more significant the deicing effect are under the premise of ensuring the temperature stability of the outlet of the ventilation pipe. In addition, with the use of larger blower frequency, the internal circulation of the blade was enhanced, and the reasonable setting of the internal circulation structure of the blade can effectively improve the de-icing efficiency and reduce the de-icing consumption time.

wind turbine blade  /  icing  /  thermal conductivity  /  blower frequency
雷和林, 周强, 吴江波, 周家兴, 夏侯智聪, 蒋辉, 姜文兵. 风力机叶片气热除冰效率影响因素分析. 水电能源科学, 2023 , 41 (11) : 195 -199 . DOI: 10.20040/j.cnki.1000-7709.2023.20222111
He-lin LEI, Qiang ZHOU, Jiang-bo WU, Jia-xing ZHOU, Zhi-cong XIAHOU, Hui JIANG, Wen-bing JIANG. Analysis of Influencing Factors of Air Thermal Deicing Efficiency of Wind Turbine Blades[J]. Water Resources and Power, 2023 , 41 (11) : 195 -199 . DOI: 10.20040/j.cnki.1000-7709.2023.20222111
2023年第41卷第11期
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文章信息
doi: 10.20040/j.cnki.1000-7709.2023.20222111
  • 接收时间:2022-10-12
  • 首发时间:2026-01-27
  • 出版时间:2023-11-25
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  • 收稿日期:2022-10-12
  • 修回日期:2023-03-03
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作者信息
    国家电投集团江西吉安新能源有限公司,江西 吉安 330000

通讯作者:

周强(1974-),男,工程师,研究方向为新能源发电运行与控制技术,E-mail:
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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