風洞測定 的英文怎麼說

中文拼音 [fēngdòngdìng]
風洞測定 英文
wind-tunnel determination
  • : Ⅰ名詞1 (空氣流動) wind 2 (風氣; 風俗) practice; atmosphere; custom 3 (景象) scene; view 4 ...
  • : Ⅰ名詞(物體上穿通的或凹入較深的部分; 窟窿; 洞穴) hole; cavity Ⅱ形容詞(深遠; 透徹) profound; thorough; clear
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • 風洞 : [航空] wind tunnel; air tunnel; whirl tube; wind tunnel plant; flume
  • 測定 : determine; determination; setting-out; admeasurement; assignment; assay; finding
  1. Liu lian - you, wang jianhua, li xiaoyan, liu yuzhang, ta wanquan & peng haimei. 1998. determination of the erodible particles on cultivated soils by wind tunnel simulation. chinese science bulletin, 43 ( 19 ) : 1646 51

    劉連友,王建華,李小雁,劉玉璋,拓萬權,彭海梅. 1998 .土壤可蝕性顆粒的模擬.科學通報, 43 ( 15 ) : 1663 1666
  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;通過野外沙流場,分析適宜沙流順利通過的路基高度;通過室內試驗進行驗證;結合路基穩性分析、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;沙流路基高度的關系、試驗;對調查路段及依託工程調查、觀結果統計研究;不同高度下路基穩性分析;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. As to the current problems existing in the identification for these flutter derivatives, the dissertation tries to trace the development in the identification for the past unsteady aerodynamic forces of long - span bridges. it also investigates the method for flutter and buffeting analysis and the flutter derivatives. based on the present methods used in obtaining the unsteady aerodynamic forces and flutter derivatives, and co - funded by a natural scientific fund from the nation and a key project fund from the railway ministry, the current research has attempted to develop a device which can be employed in the wind tunnel to test flutter derivative through a forced vibration method

    鑒于目前橋梁斷面顫振導數識別的水平和存在的問題,本文通過對大跨度橋梁非常氣動力、顫振分析方法及顫振導數識別方法的回顧和評述,基於現有的非常氣動力和顫振導數的試方法,在國家自然科學基金與鐵道部重點學科基金的聯合資助下,研究開發了一套在中採用強迫振動法試顫振導數的裝置。
  5. Testing of filter sands for air - raid shelter ventilation - determination of flow resistance

    防空用濾砂試驗.氣流阻力
  6. This paper takes jin ’ ao mansion and adjacent buildings as the study object. first we put the stated reduced scale model in the atmospheric boundary layer which the tunnel simulates, applied the dynamic pressure measure technology on the building ’ s surface to get the mean and fluctuating wind pressure coefficient, drew out the contour of pressure coefficient and analyzed its distributing law and characteristic

    本文以金奧大廈及其鄰近建築作為研究對象,首先把一縮尺比的模型置於模擬的大氣邊界層環境中,運用建築表面動態壓技術獲得金奧大廈表面的時均壓系數和均方根壓系數,繪制時均壓系數和均方根等值雲圖並分析其分佈的規律和特點。
  7. Abstract : this paper introduces bridge section model tests in the wind tunnel. it presents static forces on bridge section models. the effects of bridge fences, isolation belts and different model lengths on static forces are studied. the static and dynamic stabilities of bridge are analyzed. the results show the effect of bridge fence, isolation belts and different model lengths on static forces should be considered in wind load design

    文摘:通過橋梁節段模型試驗量了橋梁的力,研究了橋面護欄和隔離帶以及變模型長度對模型力的影響,並分析了橋的馳振穩性和顫振穩性.試驗結果表明:設計試驗方案以及應用試驗結果時應考慮模型長度、橋面護欄及隔離帶的影響
  8. In this paper i was in virtue of the fluent software, set up the geometrical model of jin ’ ao mansion and adjacent buildings, used non - equilibrium wall functions to deal with the problem which come from the near wall, used realizable k - turbulent model to simulate the steady flow around 3d high - rise buildings, we can get the distribution of mean wind pressure coefficient of the surface of jin ’ ao mansion and five aerodynamics components. they were compared with the data from the wind tunnel test, we found out the distance between the result of the wind tunnel test and numerical simulation in the acceptable range

    本文以fluent軟體為平臺,建立金奧大廈及其周邊建築的計算幾何模型,近壁區採用非平衡壁面函數法處理,運用基於雷諾時均的realizablek -湍流模型進行高層建築三維場數值模擬,獲得金奧大廈表面時均壓系數分佈及基底五分量氣動力,並和壓試驗的結果及壓系數積分計算的基底五分量氣動力相比較,發現兩者之間的差異在可接受的范圍之內。
  9. According to the study work of this paper, an automatic six - component strain gauge balance calibration system development scheme was put forwards : the system calibrates the balances in the ecs, and translates the loads to the bcs of the balances with measuring the balance ’ s position changes during the calibration

    本文根據1m高超聲速氣動力試驗的總體要求,提出了採用天平校準載荷地軸系全自動加載、並通過天平空間位移量將校準載荷換算到天平體軸系( bcs )的六分量天平校準系統總體研製方案,並確了詳細的技術指標。
  10. The demonstration of heat - transfer measuring techniques and prospect of infrared thermal mapping techniques, main parts and performance indexes of a infrared camera, functional blocks and implementation of infrared processing software, experimental facility and measuring system of the wind tunnel has been made. the model emittance was experimentally determined and the three methods correcting directional emittance were compared. those problems of the infinite - slab model thickness and constant wall heat rates hypothesis, the determination of adiabatic wall temperature were discussed in a 1 - d heat conduction analysis

    本文對紅外熱圖熱技術與應用前景、紅外熱像儀主要部件與性能指標、紅外熱數據處理軟體功能模塊與實現、試驗設備與量系統等進行了論述,量了模型表面發射率並對發射率隨極角變化的三種修正方法進行了對比,對一維熱傳導分析中模型壁厚半無限假設、壁面熱流常假設、絕熱壁溫選取等進行了探討。
  11. Measurement of equivalent thermal resistance of planted roof in hot - climate wind tunnel

    熱氣候種植屋面當量熱阻
  12. By acquiring the structure and environment parameters, the active control can greatly reduce the vibration on the model and the supporters caused by the unsteady aerodynamic force which badly influences the experienced data precision

    在進行試驗時,受非常氣動力的作用,模型會與天平、支桿和支架一起產生振動。模型劇烈的振動嚴重影響力試驗數據的精度。
  13. This thesis has completed the design work of balance ' s calibration system. the major work and result are as follows : a collectivity project about the calibration system of wind tunnel balance with six components is proposed and consists of several functional modules such as mechanical structure, measuring system, weighting equipment and mathematics correction

    本文完成了對應變天平的校準系統的設計工作,主要的工作和成果如下:本文提出了六分量天平校準系統的總體方案,劃分出系統的機械裝置、檢系統、加載裝置、數學修正等功能模塊,選用並確了系統的硬軟體平臺。
  14. With development of high - speed missile imaging detection aero - optical effects, certain accomplishments on theoretical analysis have been obtained. the laboratory test system needs to be built to vertify the correctness and validity of theory. at the same time, to study the transient influence of high - speed flow on image transmission, an aero - optical effect experiment of wind tunnel is needed furtherly on the foundation of the transform of wind tunnel, in order to use the researching accomplishment of aero - optical effects in the aero - optical distortion image adjustment evaluation

    隨著高速導彈成像探氣動光學效應機理研究工作的深入開展,在理論分析上取得了一的成果,需要搭建實驗室試驗系統來驗證理論的正確性和有效性,同時為了較真實地研究高速流場對圖像傳輸的瞬態影響效應,需要在改造的基礎上進一步進行氣動光學效應試驗,期望將獲得的氣動光學效應研究工作成果用於氣動光學畸變圖像校正效果的評估。
  15. Abstract : the dynamic stall experiment is an unsteady aerodynamic test, whose experimental data are random

    文摘:動態失速實驗是一種非常實驗,其量所得數據屬于隨機數據范疇。
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