国产欧美精品一区二区,中文字幕专区在线亚洲,国产精品美女网站在线观看,艾秋果冻传媒2021精品,在线免费一区二区,久久久久久青草大香综合精品,日韩美aaa特级毛片,欧美成人精品午夜免费影视

風(fēng)洞模型載荷實(shí)驗測量系統開(kāi)發(fā)與研究
DOI:
CSTR:
作者:
作者單位:

作者簡(jiǎn)介:

通訊作者:

中圖分類(lèi)號:

V211

基金項目:

上海交通大學(xué)實(shí)驗室創(chuàng )新研究基金(17SJ-03)


Design and Research on Wind Tunnel Model Experiments
Author:
Affiliation:

Fund Project:

  • 摘要
  • |
  • 圖/表
  • |
  • 訪(fǎng)問(wèn)統計
  • |
  • 參考文獻
  • |
  • 相似文獻
  • |
  • 引證文獻
  • |
  • 資源附件
  • |
  • 文章評論
    摘要:

    本文為解決風(fēng)洞實(shí)驗室模型風(fēng)載荷實(shí)驗測量相關(guān)技術(shù)問(wèn)題而展開(kāi)。根據該類(lèi)型實(shí)驗特點(diǎn)及要求,設計了測量系統方案,組建測量軟硬件系統,采用多種傳感器完整測量風(fēng)載荷、風(fēng)速、溫濕度等多種數據,進(jìn)行數據融合處理得到風(fēng)載荷系數;為確保實(shí)驗測量精度,考慮了天平零漂、空氣密度變化、模型自重干擾等因素的影響,通過(guò)分析給出了其各自的數據處理方法以得到有效的風(fēng)載荷;在此基礎上完成測量程序的編寫(xiě),基本實(shí)現實(shí)驗測量自動(dòng)化,避免手工介入,大幅提高了實(shí)驗效率。最后應用本文結果展開(kāi)實(shí)際實(shí)驗測量,定量分析各因素對于測量結果的影響,結果表明,空氣密度變化、模型自重干擾、風(fēng)速波動(dòng)對模型風(fēng)載荷結果影響較為明顯,在計算風(fēng)載荷系數時(shí)需采用每一工況的實(shí)時(shí)數據;而信號噪聲對均值結果幾乎無(wú)影響而不用考慮。

    Abstract:

    This paper aims to develop an integrated measurement system on wind load experiments with automation technique support, which would solve application measurement problems of the authors’ laboratory. A measurement scheme is proposed including hardware and software systems with fully detailed specifications, to improve experiment accuracy, several kinds of sensors/balances are employed to fully measure wind load, wind speed, air temperature and humidity, etc. Data process methods are given to handle the problems of balance’s zero point drift, air density determination, model weight influence. Based on the above, an online software program is coded with consideration of automatic data process and sensors compatibility, it implements many functions on wind load experiments, in order to improve efficiency and avoid manual operations. At the end, an experiment on an offshore service vessel is conducted to verify the job of this paper, which shows agreeable result and high efficiency, corresponding analysis is also carried out to verify every factors’ influence, the results show that air density fluctuation, model weigh influence and wind speed fluctuation have remarkable effect on experiment result, while signal noise has litter effect.

    參考文獻
    相似文獻
    引證文獻
引用本文

吳小峰,王飛,葉永林.風(fēng)洞模型載荷實(shí)驗測量系統開(kāi)發(fā)與研究計算機測量與控制[J].,2019,27(3):34-38.

復制
分享
文章指標
  • 點(diǎn)擊次數:
  • 下載次數:
  • HTML閱讀次數:
  • 引用次數:
歷史
  • 收稿日期:2018-08-28
  • 最后修改日期:2019-02-21
  • 錄用日期:2018-10-09
  • 在線(xiàn)發(fā)布日期: 2019-03-15
  • 出版日期:
文章二維碼
赤水市| 康定县| 丽水市| 原阳县| 西峡县| 汶上县| 荥阳市| 琼中| 安顺市| 绥芬河市| 稻城县| 云林县| 贺兰县| 礼泉县| 长寿区| 肇庆市| 鸡东县| 遂溪县| 中阳县| 林州市| 绿春县| 万宁市| 西畴县| 汉中市| 出国| 大方县| 仙桃市| 威信县| 锡林郭勒盟| 嵊州市| 象山县| 隆安县| 本溪市| 衢州市| 丰都县| 调兵山市| 防城港市| 黄石市| 兴隆县| 新兴县| 彩票|