wind-tunnel simulation 中文意思是什麼

wind-tunnel simulation 解釋
風洞中模型試驗
  • 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...
  • simulation : n. 假裝；模擬；裝病，裝瘋；【生物學】擬態，擬色。
  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 .土壤可蝕性顆粒的風洞模擬測定.科學通報， 43 （ 15 ） : 1663 1666
  2. This paper adopts linear interpolation to deal with data of wind tunnel experiment for sample uav and realizes modeling and simulation of the sample uav with c language in common aerodynamics and moment coefficient

    本文採用線性插值處理樣例無人機風洞試驗數據，採用正常情況下的氣動力及力矩系數數學模型，並用c語言實現樣例無人機建模與模擬。
  3. Wind tunnel simulation ; wind pressure ; flow visualization

    風洞模擬風荷載流動顯示
  4. A slot was cut in the back plate of the double - foil shield to improve the flow field with air diversion method. the flow field and droplets trajectory near the shield are simulated in wind tunnel by fluent software to analyze the wake flow affecting the spray drift. from simulation, the improved shield spray in reducing drift is better than double - foil shield spray and conventional spray in six types of wind velocity

    本文採用導流法在雙圓弧罩蓋上開口，利用fluent模擬分析和比較罩蓋噴霧流場，並模擬該流場下的霧滴運動軌跡來分析霧滴的飄失性，模擬結果表明：結構改進后的罩蓋噴霧流場得到改善，其減少霧滴飄失的效果好於原罩蓋，更優于常規無罩蓋噴霧。
  5. It is indicated that the grids generated by the proposed method are simple, high quality and suitable for different building shapes, and the results of numerical simulation agree well those of the wind tunnel test

    網格剖分和數值模擬結果表明，採用本文方法生成的網格格式簡單，網格質量高，適應性強，適用於多種體型建築物的模擬計算，並且風場模擬結果與風洞試驗結果有較好的吻合。
  6. The main purpose of this study is to simulation a random fluctuation of wind velocity fitted to specified power spectrum in low frequency range in our wind tunnel

    本文研究的目的是在風洞中模擬風速隨機波動的陣風，這個基礎性工作對于開展風洞中的其它研究有著重要意義。
  7. Based on the date of full - scale measurements, modeling wind tunnel tests and theoretical researches of the wind loads on low - rise buildings available, involved the date of the wind tunnel test and computational numerical simulation fulfilled in this paper, the effects of wind loads on low - rise buildings have been studied systematicaly and extensively. it reveled properly the principle of the changes of the surface mean pressures, local pressures, and fluctuating pressures with the building geometry, roof type and slope, wind direction, eave configuration, cladding system, and dominate openings

    本文根據國內外有關低層房屋風荷載的全尺寸實測、模型風洞試驗及其理論方面的研究，包括本文進行的低層房屋屋面風壓分佈的風洞模型試驗和計算機數值模擬計算，對低層房屋的風荷載特性進行了系統而深入的研究，較好地揭示了低層房屋表面的平均風壓、局部風壓和壓力的波動隨房屋的幾何尺寸、屋面形式、屋面坡度、風向角、檐口構造、覆面材料和門窗開洞而變化的特點和規律。
  8. The international wind engineering circle has emphasized the studies on this area to the refinement of nonlinear wind - induced vibrations, the precise identification of aerodynamic parameters for structures as well as the real simulation of natural turbulent flow field for wind tunnel tests

    國際風工程界對結構風效應的研究已著重於非線性風致振動的精細化，結構氣動參數的精確識別以及為風洞試驗所需的紊流風場的真實模擬。
  9. Using a special experimental wind tunnel, large number of experiments were carried out to study the resistance and efficiency performance of the inertial stages, he multilayer gauze stages, the two stages and three stages monisture separator. the numerical simulation results were verified

    利用專門的實驗風洞進行慣性級、網墊級、復合兩級以及復合三級濾清器的阻力特性和效率特性的實驗研究，並對數值模擬結果加以驗證。
  10. In order to validate the correctness of the simulation, the flow velocity of x vector is measured to compare the flow field between the simulation and the experiment in wind tunnel. the results indicate that the flow field is improved and more stable than the original shield flow field. the tendency between the improved shield and the original shield from simulation is consistent with the tendency from experiments

    開口罩蓋流場由於相對穩定，模擬和試驗的測點流速平均相對誤差為15 ，未開口罩蓋流場中由於渦流影響較大，平均相對誤差為22 . 45 ；同時驗證了結構改進前後罩蓋流場的模擬比較結果和試驗比較結果的趨勢是一致的。
  11. Simulation on abated effect of nylon net with different porosities on wind - blown sand in wind tunnel

    不同孔隙度尼龍網對風沙流減弱作用的風洞模擬
  12. 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定常風場數值模擬，獲得金奧大廈表面時均風壓系數分佈及基底五分量氣動力，並和風洞測壓試驗的結果及風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。
  13. The feasibility of the technique is examined by using compute simulation and flutter testing of aeroelastic models in low - speed wind tunnel

    經數字模擬及氣彈模型低速風洞顫振試驗數據驗證，取得了滿意的效果。
  14. At last the properties of the laplace wavelet algorithm was demonstrated by digital simulation signal and wind tunnel flutter test signal. it comes the result that correlation filtering using laplace is a very promising and feasible approach

    本文演算法是採用matlab語言實現的，通過數字模擬和實際的風洞顫振試驗信號，對方法的數值特性和應用情況進行了考核和驗證。
  15. Focused on the nonstationary features and analysis requirements of flutter test data, the application scheme is brought forward for flutter signal processing. by using computer simulation and flutter test of low - speed wind - tunnel of some aeroelastical modes, the characteristics of the scheme are investigated

    本文基於顫振試驗信號的非平穩特點與分析需求，應用自適應時頻分析技術給出並實現了兩種新的顫振信號處理方案，重點研究了適用於連續變速顫振試驗的顫振邊界預測問題。
  16. Simultaneously, a new fbp criterion is presented based on the gray - lavel and contour for the image of gabor spectrogram and the relation parameter is used to make flutter boundary prediction. the functions of the method are studied by computer simulation and further examined by using several flutter testing data ( low - speed wind - tunnel, high - speed wind tunnel and flight )

    本文詳細研究了顫振信號聯合時頻譜圖的特徵，應用圖像邊緣識別方法對顫振信號時頻譜圖的輪廓、灰度進行了綜合分析，給出了一種全新的顫振余量定標量化法，依此量化值完成對顫振邊界的外推。
  17. Environmental impact assessment, air quality modeling, atmospheric turbulence, air pollution simulating and other wind engineering simulation with wind tunnel

    環境影響評價，空氣質量模式，大氣湍流，空氣污染模擬及其它風工程風洞試驗。
  18. Also longitudinal aerodynamic characteristics of missile are investigated. the traditional dependence on wind tunnel experiment is changed greatly : firstly, the aerodynamic characteristics of missiles with complex configuration are solved satisfactorily, especially integral rocket - ramjet missile ; secondly, feasibility of n - s equation to numerical simulation of inner and outer fiowfield of missile with complex configuration is discussed

    （ 3 ）採用n - s方程方法數值模擬某型整體式沖壓發動機導彈的全彈內外流場，研究了導彈的縱向氣動特性，改變了過去依賴于地面風洞試驗結果的傳統做法。
  19. This dissertation is mainly discussed in the following three perspectives : the numerical modeling of bus body surface, the space discretization for numerical simulation of flow field around bus using finite element method ( fem ) and wind tunnel test for bus model

    本課題主要在客車車身表面數值模型建立、客車周圍流場有限元數值模擬的空間離散化和客車模型風洞試驗三方面進行了研究。
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