wind-tunnel investigation 中文意思是什麼

wind-tunnel investigation 解釋
風洞研究
  • wind : n 1 風；大風，暴風；氣流；【機械工程】壓縮空氣。2 【航海】上風；風向；〈古語〉〈pl 〉方向。3 氣息...
  • tunnel : n 隧道；地道；坑道；管道，煙道，風洞；【礦物】石巷，平峒。 tunnel warfare 地道戰。vt （〈英國〉 l...
  • investigation : n. 1. 研究，調查；審查。2. 研究論文，調查報告。
  1. Second, according to field investigation and wind - tunnel experiment, some scholar s advanced that barchan dunes often appear in dynamic equilibrium shapes when th ey move along the direction perpendi cular to the dune ridge under the influence of unimodle sand - moving wind

    風成沙的紅化和圓度特徵不宜作為判別其氣候意義的診斷性標志，應當結合動植物化石及石英砂顯微結構等線索來確定。
  2. A recommend value of appropriate roadbed height is put forward according to the sand dune type and the highway grade, make investigation to the sand harm and other problems of built highways in desert areas gathering the related materials of present day highways, and then make comprehensive and systematic statistics to related data and racious factors which affect the roadbed height ; analy the suitable roadbed height for the windblown sand drift passes through smoothly according to the open country windblown sand field test ; test and verify the outcome according to indoor wind tunnel test ; finally a appropriate recommend roadbed height value will be put forward for different grade highways in different areas, which is according to the analysis of roadbed stability the roadbed height economic analysis and different use requirement to different grade highways

    收集現有沙漠公路的有關資料，對全國已建沙漠公路進行沙害及其他病害調查，對相關數據和影響沙漠公路路基高度的各種因素進行綜合系統地統計分析；通過野外風沙流場測定，分析適宜風沙流順利通過的路基高度；通過室內風洞試驗進行驗證；結合路基穩定性分析、路基高度的經濟性分析，考慮不同等級公路的使用要求，最終提出不同地區不同等級沙漠公路路基填土高度的合理高度建議值。
  3. The research test of this discussion as follows : making investigation and research to overseas related materials ; make investigation to built highways in desert areas, dozens of routes and nearly 100 road sections have been surveyed, among them two highways have been taken as the chief investigation objects, they are " 210 national highways - first grade highways from bao tou to dong sheng " and " the section of nei meng a la shan meng s307 from shang de to meng gen " ; the relationship between windblown sand drift and the roadred height wind tunnel test ; make investigation to the tested road sections and subengineerings then make statistics and study according to the test outcome ; the stability analysis of different roadbed height ; the analysis of roadbed economy

    本課題的研究工作包括：對國外相關資料的調研分析；對已建沙漠地區公路進行調查、觀測了十余條線路，近百段路段，以『 210國道包頭至東勝一級公路』 、 『內蒙阿拉善盟s307尚德至孟根段』為主要調查對象；風沙流路基高度的關系、風洞試驗；對調查路段及依託工程調查、觀測結果統計研究；不同高度下路基穩定性分析；路基經濟性分析；按照沙丘類型及公路等級提出路基合理高度推薦值。
  4. The wind - tunnel investigation of the characteristics and mechanism of twin - vertical tail buffet of leading - edge extension configuration

    邊條翼布局雙垂尾抖振特性與機理風洞實驗研究
  5. Wind tunnel investigation of large span flat roof was carried out. mean local shape factor and extreme local shape factor distributed on the roof of the structure with two exposures are measured. effects of terrain exposures on the mean local shape factor and extreme local shape factor are discussed

    然而，對于大多數的屋蓋結構，由於其自身結構和風荷載的復雜性，我國的有關荷載規范中並沒有這方面的建議條文，因此對于大跨度屋蓋結構風荷載特性的研究，已成為一項急需進行的重要課題。
  6. An experimental investigation on the transition in the boundary layer of horizontal plane with and without single two - dimensional roughness elements has been carried out in the wind tunnel. the distribution in normal and stream - wise directions of intensity of t - s wave excited by vibrating beam was measured in every condition. neutral curves were obtained by measuring the growth of the t - s wave at the normal critical location along the stream - wise direction

    在風洞中對水平光滑平板以及加有粗糙元平板的邊界層轉捩進行了測量與研究，比較了不同情況下平板邊界層內由振動梁激勵生成的t - s波沿流向和法向強度的分佈規律，得到了相應的振型增長曲線以及中性曲線。
  7. In the part of cooling characteristics investigation, these four laminate plates were tested in a large scale low speed close - looped wind tunnel and the cooling effectiveness were obtained

    在冷卻特性實驗部分，在大尺寸低速迴流式風洞中對上述四塊層板進行了冷卻特性實驗，獲得了其綜合冷卻效率。
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