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基于圓柱繞流直徑壓強差的二維風測量方法

劉成 趙湛 杜利東 方震

劉成, 趙湛, 杜利東, 方震. 基于圓柱繞流直徑壓強差的二維風測量方法[J]. 電子與信息學報, 2017, 39(3): 737-742. doi: 10.11999/JEIT160468
引用本文: 劉成, 趙湛, 杜利東, 方震. 基于圓柱繞流直徑壓強差的二維風測量方法[J]. 電子與信息學報, 2017, 39(3): 737-742. doi: 10.11999/JEIT160468
LIU Cheng, ZHAO Zhan, DU Lidong, FANG Zhen. Method of Measuring Two-dimensional Wind Based on Diametrical Pressure Differences Developed by Flow Around Cylinder[J]. Journal of Electronics & Information Technology, 2017, 39(3): 737-742. doi: 10.11999/JEIT160468
Citation: LIU Cheng, ZHAO Zhan, DU Lidong, FANG Zhen. Method of Measuring Two-dimensional Wind Based on Diametrical Pressure Differences Developed by Flow Around Cylinder[J]. Journal of Electronics & Information Technology, 2017, 39(3): 737-742. doi: 10.11999/JEIT160468

基于圓柱繞流直徑壓強差的二維風測量方法

doi: 10.11999/JEIT160468
基金項目: 

公益行業(yè)專項(GYHY201006044),國家自然科學基金(51305423)

Method of Measuring Two-dimensional Wind Based on Diametrical Pressure Differences Developed by Flow Around Cylinder

Funds: 

Special Fund for Public Welfare (GYHY- 201006044), The National Natural Science Foundation of China (51305423)

  • 摘要: 基于流量傳感器的圓柱結(jié)構(gòu)2維風傳感器,其測量性能對地面風測量而言不夠準確。由此,該文通過分析風洞實驗數(shù)據(jù),建立一種數(shù)學模型來描述圓柱繞流中直徑兩端壓強差的分布,并根據(jù)該模型提出一種通過檢測該直徑壓強差來計算風速風向的2維風測量方法。對風洞測試數(shù)據(jù)應用該方法,在2~40 m/s風速范圍內(nèi),風速計算值誤差不超過(0.2+0.03 V) m/s,風向計算值誤差不超過5。相比使用流量傳感器的圓柱結(jié)構(gòu)2維風傳感器,該方法提高了測量準確度。同時,該方法不需要轉(zhuǎn)動部件,不受機械摩擦和慣性的制約,需要占用的空間小。
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出版歷程
  • 收稿日期:  2016-05-09
  • 修回日期:  2016-09-23
  • 刊出日期:  2017-03-19

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