wind-tunnel data 中文意思是什麼
wind-tunnel data
解釋
風洞數據-
This text studied the mutually interference influences to the aerodynamic force of irregular shape base on analysis using wind force and wind pressure data of super high buildings model obtained by wind tunnel tests, and provided reference to designer and expurgator on building code
本文以超高層建築剛性模型的高頻天平測力風洞試驗數據和表面測壓風洞試驗數據為依據，研究了復雜外形建築的風力和高層建築相互干擾對風力影響，供設計者及規范修訂時參考。 -
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。 -
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。 -
Using the system designed in this thesis work, flow field calibration of the wind tunnel is accomplished, which covers dynamic pressure drop coefficient, dynamic pressure time stability, axial static pressure gradient, boundary layer, and degree of turbulence, etc. boundary layer measuring principle and method are especially described in detail, the relationship between boundary layer thickness, wind speed setting, and the depth of the experimental section is summarized, and finally the calibration data for th e model center zone under specific wind speed are given
然後利用本文設計的系統完成了落差系數、動壓時間穩定姓、軸向靜壓梯度、邊界層及湍流度等內容的流場校測。特別對邊界層測量的原理及方法做了較詳盡的敘述，總結出邊界層厚度與設定風速、實驗段深度的關系，然後給出模型中心區一定風速下校正數值。 -
The tests were conducted in the hypersonic low density wind tunnel at nominal test conditions of mach 16, stagnation temperature 923k, stagnation pressure 1. 40mpa and 7. 30mpa. heat - transfer data were obtained on a hemisphere model, a sharp cone and a big blunt cone respectively by means of infrared thermal mapping techniques, that of a 0. 5mm thickness blunt cone by virtues of thermocouples. furth ermore, heat - transfer on all those models was calculated with the theoretical method
最後在名義m _ = 16 、 t _ 0 = 923k 、 p _ 0 = 1 . 40mpa及7 . 30mpa的高超聲速低密度風洞中，利用紅外熱圖技術獲得了半球圓柱、尖錐、大鈍頭三個模型表面熱流分佈，利用薄壁法技術得到了一壁厚為0 . 5mm的鈍錐模型表面的熱流分佈，並通過工程理論方法計算了模型表面的氣動熱，把理論計算結果與上述試驗結果比較，幾者符合得較好。 -
The two experiments on the shp calibration and the flow field measure of parachute are be finished with the use of the two kinds of shp measure system separately in wind tunnel. the analysis of the experimental process and data help a lot to both of the improvement of shp measure system and the shp experimental techniques
七孔探針校準實驗和降落傘流場測量實驗分別使用了上述兩套測試系統，通過對實驗結果進行分析，本文提出了在七孔探針校準和七孔探針測量時需要注意的若干問題，對這些問題的深入分析有利於七孔探針測試系統和七孔探針實驗技術的完善。 -
Based on the data of wind pressure gotten from the wind tunnel test on rigid model, the mean wind pressures and fluctuating wind pressures on the long - span combined structure are studied
根據杭州大劇院剛性模型風洞試驗的風壓數據，對大跨橢球面屋蓋和圓錐面幕墻表面平均風壓和脈動風壓進行了研究。 -
In this paper, the wind loading time history of the truss structure is simulated according to the data of wind tunnel experiment and pulsating wind spectrum, and the transient dynamic analysis is used on the fem
本文依據風洞試驗數據模擬了靜風壓的空間分佈，依據脈動風譜模擬了網架結構的風荷載時程，並對有限元模型進行了有限元瞬態動力學時程分析。 -
Development of general data processing program for large span roof wind tunnel test
大跨曲面屋蓋風洞試驗通用數據處理軟體的開發 -
It is obvious that the results calculated using the method presented in this paper are compared better with the wind tunnel test data than those from the other existing engineering methods
通過與風洞實驗數據的比較，可以看出本文方法的計算結果比其他現有滑流影響工程估算方法與實驗結果吻合得更好。 -
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。 -
Based on wind tunnel test and theoretical analysis, the vibration mechanism, vibration shape, dynamic response and equivalent wind load factor of the long - span grid roof of taizhou stadium subjected to wind excitation are analyzed systematically in this dissertation, and some valuable results are obtained. in the matter of wind tunnel tests, the distribution rules of roof under various wind directions are obtained through the data got from the wind tunnel tests for rigid model of long - span grid roof of taizhou stadium
在風洞試驗方面，通過對臺州體育中心屋蓋剛性模型在模擬大氣邊界層風洞中進行的不同風向角下的風洞試驗所得數據的研究，獲得了結構在各種情況下的屋面風壓分佈規律，並且繪制了臺州體育中心屋蓋在各個風向角下的屋蓋平均風壓系數和脈動風壓系數分佈等值線圖。 -
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。 -
The relationship between the load measured by strain method and the load calculated according to flight parameters and the wind tunnel test data has been investigated in this thesis. the result showed that the calculation load based on the flight parameters and wind tunnel test data is acceptable in subsonic speed and gets good agreement, with the load measured by strain method
本文研究了採用應變法實測載荷和根據飛行實測參數和風洞實驗數據計算載荷之間的關系，研究表明採用飛行實測參數和風洞實驗的數據計算載荷在亞音速范圍內是可行的，與採用應變法實測載荷是吻合的。 -
The hardware of the system includes three - phase asynchronous motor, frequency converter, transducers, signal regulators, data acquisition card, industrial control device, and special equipment for wind tunnel measurement, etc. ; the software of the system is developed on the labview6. 1 platform of american ni company
系統硬體包括三相異步電動機、變頻器、傳感器、信號調理器、數據採集卡、工控機及風洞專用測量設備等；系統軟體採用美國ni公司的labview6 . 1為平臺進行開發。 -
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。 -
The wind tunnel data acquisition and processing system designed by this thesis work has passed the shakedown test, and utilizing this system several wind tunnel experiments have been conducted successfully, including an unmanned airplane model and a glider model. accurate experimental data and valuable experimental conclusions are obtained
本文設計的風洞數據採集與處理系統已經通過調試，並很好地完成了無人機實驗、滑翔機實驗等多項實驗任務；得到了較高精度的實驗數據和有價值的實驗結論。
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