wind tunnel testing 中文意思是什麼
wind tunnel testing
解釋
風洞測試；風力模擬試驗-
As part of this effort, an integrated scramjet model is about to begin testing at up to mach 5. 6 in a new wind tunnel in beijing
作為該項工作的一部分，一個可達5 . 6馬赫的綜合沖壓模型即將在北京的一個新的風洞內開始測試。 -
Wind tunnel testing for stonecutters bridge tower
昂船洲大橋橋塔的風洞測試 -
Using method of oil - flow visualization techniques and measuring pressure distribution along airfoil chordwise and spanwise studies have been down for sidewall boundary - layer displacement effect in two - dimensional wind tunnel. three different chord models were tested in two different wind tunnel. in order to clarify the sidewall effects and study method of sidewall suction theory and sidewall interference correction method to remove effects of sidewall on model. the results of oil - flow test show that selection rational suction wary can obtain better testing results. by investigations on effects of the sidewall boundary layer suction and application of a sidewall interference correction method
為了很好地解決多機場航班隊列的擁塞問題，在將進場容量、離場容量與機場容量作為統一整體的情況下，充分考慮了機場間的網路效應，詳細研究了多機場航班隊列的優化問題，建立了多機場開放式非實時流量管理的數學模型，通過選取適當的決策變量，使其為線性0 - 1整數規劃模型，實現了中心流量集中管理.與其它演算法不同，本文提出的啟發式隱枚舉演算法能很好地解決此類問題，對某機場網路系統的模擬結果證明了所建模型、優化演算法及相應軟體的有效性和可靠性 -
In this dissertation, with the background of wind tunnel reconstruction of one country key project, nozzle design and flow field - testing is studied
本文以國家某重點工程的風洞改造項目為背景，研究了m7 、 8噴管設計及流場校測等問題。 -
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。 -
Study on wind tunnel testing of aerodynamic properties of highspeed landslide flying
高速滑坡飛行氣動特性的風洞試驗研究 -
Based on traditional bracing system of wind tunnel testing, a system of hanging brace of large angle of attack was designed, which can reduce frame interference
基於傳統的風洞試驗支撐系統，設計了能減小支架干擾的大攻角張線式支撐系統。 -
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。 -
2. the model experiment aimed at the aerodynamic effect of large high - speed landslides has been accomplished in wind tunnel laboratory for the first time. on the base of testing research, the paper studies different factor which influence the aerodynaxnic effect of flying 1andslide, and numerically simulates the aerodynamic effect with the help of the hydrodynamics finite element
（ 2 ）首次在風洞實驗室進行了針對大型高速滑坡凌空飛行階段空氣動力學效應的模型實驗，研究了影響飛行滑坡巖體空氣動力學效應的不同因素；應用流體力學有限單元法對飛行滑坡巖體的空氣動力學效應進行了數值模擬。 -
For testing, a partial - scale model of a tested automobile is placed in a wind tunnel to get the airflow pattern around the automobile. this is a traditional method and very expensive
試驗主要是進行風洞試驗，它是汽車空氣動力學研究的主要手段，它是發現和驗證理論和計算方法的重要手段和基礎。
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