pressure tunnel test 中文意思是什麼
pressure tunnel test
解釋
壓力隧洞試驗-
Design of wind tunnel pressure test system based on vibrating cylinder pressure sensor
基於振動筒傳感器的風洞壓力檢測系統 -
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。 -
Based on the cause analysis for failure of water stop of tunnel ' s cast in site circular construction joint from theoretical and constructional point of view as well as the working mechanism of expansive water stop proposed in terms of width of construction joint, the relation between width of circular construction joint and water pressure resistance of water stop is established and its model test carried out
首先從理論和施工角度分析了隧道現澆環向施工縫止水條的失效原因，然後從施工縫張開度的角度提出了膨脹止水條止水的原理，在此基礎上建立了施工縫張開度與止水條抗水壓力之間的關系，並進行了模型試驗。 -
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 -
Wind tunnel test for the wind pressure distribution on hangzhou huanglong tennis gymnasium
杭州黃龍體育中心網球館可開啟屋蓋的風洞試驗 -
According to the result of monitoringmeasurement and the test data of surrounding rock pressure, primary supportstress and structure internal force, analyzed the law of soft rock deformationin the extremely high ground - stress portion of baozhen tunnel, and adjusted therelevant construction parameter, that insured construction safety
根據現場監控量測結果和對圍巖壓力、初支應力、結構內力的測試數據，分析了堡鎮隧道極高地應力段軟巖大變形的規律，及時調整相應施工參數，確保了施工安全。 -
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。 -
According to the theoretical calculation and fire test, the rule of temperature field, pressure field and smoke distribution in a long highway tunnel fire is analyzed
結合理論計算和火災模型試驗，對火災時隧道內溫度場、壓力場和煙流場的分佈進行了分析。 -
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。 -
Designed a program which can use the mean pressure coefficient of jin ’ ao mansion to calculate mean wind load of the whole buildings and local floor. the integral result can apply into the practical design of construction, also can compare with the results of wind tunnel balance test to validate the veracity of this test
通過自編的程序對金奧大廈表面時均風壓系數進行積分計算獲得其整體和局部樓層的平均風荷載，積分計算的結果一方面可以方便地運用於實際的建築結構設計中，另一方面可以與風洞天平測力結果進行比較驗證動態測壓試驗的正確性。 -
The flow regime inside of the tunnel, the characteristics of hydrodynamic load, the hydrodynamic pressure feature at the gate slot and the vent air speed during the shutting of the gate is studied through model test, and then the reliability of the gate, the feature of the vent air speed and the pressure at the gate slot during the shutting of the gate are analyzed based on the test result concerned
通過模型試驗研究了事故閘門關閉過程中泄洪洞內的水流流態、門體的水動力荷載特性以及門槽段動水壓力特性、通氣孔風速，並根據試驗結果分析了該閘門動水下門過程中的可靠性，通氣孔風速特性和門槽段壓力特性。 -
Based on the results of the wind tunnel test, the response of the structure and the wind pressure distribution of different position are gotten. the evaluation of the safety and the comfortable extent under the wind vibration are achieved
根據風洞試驗結果得到結構不同部位的風壓分佈以及結構在風載下的響應，確定對結構安全度的評估，實現風振下結構舒適度的驗算。 -
An experimental study on the aerodynamic characteristics of new concept car is conducted by model wind tunnel test, covering the pressure coefficient and wake vortices on longitudinal symmetry plane, as well as aerodynamic forces and moments under different yaw angles
摘要用模型風洞對新概念車在不同橫擺角下縱對稱面上壓力系數、整車氣動力和氣動力矩的變化以及縱對稱面尾部流態分佈進行了試驗研究。 -
Pedestrian level wind concerns are also addressed, in this paper, the wind pressure distribution on the surface of yingli building in chongqing is introduced. a wind tunnel test of yingli building rigid model is investigated in beijing university environment wind tunnel laboratory
並以興建於重慶市的重慶英利大廈為對象，在北京大學環境學院環境風洞實驗室進行風洞試驗，系統地研究了該建築外表面平均風壓分佈和脈動風壓分佈特性，給出了可用於設計的風荷載值，以確保大樓的安全性與穩定性。 -
In the paper, the computational results of all models are obtained, including 3 - d velocity field, 3 - d pressure field, and six aerodynamic coefficients. the results have good agreement with wind tunnel test
文中得出了客車外圍流場的速度矢量圖和壓力分布圖以及六個氣動力系數，並將最終結果與風洞試驗結果進行了比較，結果吻合較好。
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