風速與風向 的英文怎麼說
中文拼音 [fēngsùyǔfēngxiàng]
風速與風向
英文
wind speed and direction-
On the other hand, it is indicated that the velocity field consists of a depth - independent inertial oscillation and a time - mean shear flow, which can be obtained by subtracting the inertial oscillations time mean in one inertial period. the hodograph of the velocity vector of time - mean flow at the different depths consists of a ekman spiral, and the surface velocity is 30. 3 ? to the right of the wind
一維模式的流場結果表明，混合層中的流場是由慣性波動與時間平均流兩部分疊加而成，且通過時間平均消去慣性波動后得到平均流，其不同深度的流速矢量構成一ekman螺旋，表層流速矢量相對風向右偏了30 . 3 』 。( 2 ) increasing of wind is mainly induced by shf and affecting of lhf is very little. ( 3 ) effect of terrain increases ground rough and tonsure of terrain press and fiction correspond enhance frictional damp effect
（ 3 ）地形作用相當于增加了地面粗糙度，地形壓力梯度項與摩擦項地疊加，相當于使摩擦阻尼作用增大，地形強迫作用使下邊界層從上至下風速減小，風向向左偏轉。The doppler radial winds from the terminal doppler weather radar tdwr 0. 6 - degree elevation scan over the hkia and its western approach were generally away from the radar positive radial velocity - warm colours, consistent with the low - level east - southeasterly flow figure 12
機場多普勒天氣雷達對香港國際機場及西面著陸區的0 . 6度仰角掃描顯示，多普勒徑向風大致離開雷達正徑向風速暖色，與低空東南偏東氣流吻合圖12 。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。Computational fluid dynamics ( cfd ) techniques are used to study and understand fluid behavior in tunnels. by simulating complex specific operational cases, we can educe velocity or flux distribution in tunnel under different ventilation and resistance situation and determine the favorable operational procedures of the erlang mountain tunnel ventilation in a fire case. comparison has been made between a simulation and experiment for some cases in order to prove the cfd model is powerful, so that enables the study of cases for which experimental data is not available
採用本文將隧道內的氣流看成是理想流體的一維恆定流動，通過對二郎山特長公路隧道半橫向通風系統建立隧道內的空氣動力學模型，利用計算機進行數值分析與計算，得出發生火災時，不同通風阻力條件下隧道中的風速分佈及流量分佈，並通過實驗室隧道模型實驗進行驗證與修正，依據研究結果給出了二郎山半橫向通風隧道的火災控制方案，從而解決了二郎山公路隧道通風對火災的控制問題，同時為半橫向通風公路隧道的火災通風提供科學的方法。At higher latitudes, the winds are much slower and tend to alternate between blowing to the west and to the east.
在更高的緯度上，風速大減，且有風向朝西與朝東交替變化的趨勢。The experiment acquired pressure distribution and circulating rate under three fluidizing velocity ( 3. 5m / s 、 4. 5m / s 、 5. 5m / s ) and different media load. an experimental equation was acquired between circulating rate and the distribution of the pressure. and the relation between the circulating rate and the opening rate of the valve connecting the returner and the ehe was carefully discussed as well as the relation between the pressure of the ehe and the flow rate of the fluidizing air
得到三種流化風速下（ 3 . 5m / s 、 4 . 5m / s 、 5 . 5m / s ）不同裝料量所對應的主床床體壓力分佈和物料循環量，得到循環量與壓力的分佈和流化風速的本實驗臺上的經驗公式，並通過測量返料器通向外置換熱器機械閥開度和返料量的關系，得到旋風分離器中下落物料進入換熱器和直接進入主床的比例關系，同時測得換熱器中壓力和送風量的關系。This system employed a new concept for measuring upper winds, viz. use of vlf very low frequency in the range of 10 - 13 khz signals from a global navigational network, omega, for computing the wind
與以往無線電相比，該系統在測風方面則採用了一種新的概念，利用世界性奧米茄導航站網的甚低頻信號10 - 13khz來計算出高空風向和風速，無需用雷達追蹤探空儀位置。Measurement of pressure, temperature and humidity operated in much the same principle as the older version of radiosonde, but computation of wind was made use of the vlf ( very low frequency in the range of 10 - 13 khz ) signals of a world - wide navigational network, omega
該系統量度高空氣壓、氣溫及濕度的方法與舊式無線電探空儀大致相同，但在測風方面則採用了一種新的概念，利用世界性奧米茄導航站網的甚低頻信號（ 10 - 13khz ）來計算出高空風向和風速，無需用雷達追蹤探空儀位置。According to the fluctuating property of wind, on the stochastic vibration finite element theory, some calculation formulas of the response, including the along - wind response and the across - wind response, are obtained, the ideology of the torsion vibration in the double - tower structure and the ideology of the double - tower structure ' s dynamical wind load are also put forward at the same time. by using the stochastic vibration module of the general finite element program, the paper analyses the performance of the wind resistance more deeply and fully, discussing the influence on the double - tower structure from the diversification of the different component. the variance law of dynamic displacement and wind - induced vibration coefficient is derived through analyzing structure stochastic vibration, so is the effect of several parameters on dynamic displacement, acceleration and wind - induced vibration coefficient
從結構風振的基本理論出發，通過對脈動風功率譜的分析，推導了結構風振響應（順、橫風向）的計算公式，同時提出了雙塔結構的扭轉振動和動力風荷載計算的思想，在結合通用有限元程序的隨機振動模塊的情況下，對雙塔結構的抗風性能作了深入、全面研究，探討了雙塔結構構件截面的變化對其抗風性能的影響，同時探討了順風向風速譜的選取、風速、參與計算的振型數、風與結構耦合作用是否考慮等因素對分析結果的影響，比較了規范風振系數的計算與隨機演算法結構的異同，並討論了原因，得出一些有意義的結論。The comparison those estimated from numerical simulation with real data shows the agreement largely in wind direction and in the true wind speed
通過數值模擬和實際算例計算表明反演結果在風向、風速上都與真解是吻合的。Regional photochemical reaction is weak over this area, to a great extent, the atmospheric background condition influences to the variation of surface o3, tthe variation of vertical wind speed is significant to surface o3, from seasonal distribution of vertical wind, it appears upward air current in winter, spring and autumn, repectively, while it is mainly downward in summer, it is favorable to the o3 transport from stratosphere layer. at walilguan, the variation of humidity impacts a little on surface o3, the relationship between surface o3 and wind speed is relatively complicated, by correlation statistic analyze, it is sure that the wind speed is not one of the important factor
（ 2 ）瓦里關地區局地光化學反應較弱，地面o _ 3在很大程度上受大氣背景狀況的影響； （ 3 ）垂直風變化對地面o3日變化影響較大，從垂直風季節分佈看，春、秋、冬三個季節為上升氣流，而夏季下沉氣流則很旺盛，這種分佈有利於平流層o _ 3向下的輸送； （ 5 ）濕度對地面o _ 3貢獻並不明顯； （ 6 ）各季節水平風速與地面o _ 3之間的關系較為復雜，不同季節相關分析表明，水平風速並不是影響地面o _ 3變化的主要因子之一。There are two parts in this paper : firstly, a set of single doppler velocity models are presented for typical ambient windfields that include those of being uniform horizontally, macroscale convergence and divergence, which overlap warm and cold advection. which are marked by different signatures in the single doppler velocity field. the models proposed can help users identify useful information from the dopple velocity patterns
本論文包括兩個部分：第一篇通過對典型風場的單多普勒天氣雷達徑向速度圖象進行模擬，典型風場包括水平均勻一致的風場、非均勻水平風場的大尺度運動的輻合輻散風場以及大尺度運動的輻合輻散風場與冷暖平流的迭加等。This paper uses of the actual mechanics form, cantilever bending stiffness is adopted in the mega structure, however shearing stiffness in the sub structure. based on the complex mode theory, this paper gains the expression of dynamical response of the system based the model of municipal no. l building of tokyo city and analyses the affection of the main parameters ( stiffness and damping ) on the two configurations ( sustaining type and hang type ). the results indicate that the rational stiffness of the sub structure can control the deformation of the mega structure perfectly, but the acceleration of the sub structure increases at the same time
本文採用了更接近實際的力學模型，主結構採用彎曲剛度，子結構採用剪切剛度，利用隨機振動復模態理論，推導了巨型框架減振結構的動力響應表達式，並以日本東京市政一號樓為基本模型，討論了巨型框架減振結構兩種結構形式（座承式和懸掛式）的主要參數（剛度和阻尼）對減振效果的影響，結果表明：與普通巨型框架結構相比，減振結構通過合理選擇子結構剛度，可以較好的控制主結構在順風向脈動風作用下的位移響應，從而提高結構的安全性，但與此同時，子結構自身的加速度響應也有了一定程度的提高。Hunan jingxing tech is a big scale pack - manufacturing company. nowadays, when the factors of politics, economy, law and technology changing rapidly, marketing competition being very sharp, there being more and more temptations and risk, jingxing tech is being confronted with the strategy choices " where the enterprise is going
湖南晶鑫科技是一家頗具規模的包裝企業，在政治、經濟、法律技術等因素迅速變化，市場競爭日趨激烈，誘惑與風險無處不在的今天，晶鑫科技正面臨著「企業將向何處去」的戰略選擇。It also make the set - up occurs. 4 ) the sea level and current velocity have an effect on wave height, and the wave direction modulation is small
4 、潮汐、風暴潮對波浪的作用是通過其產生的不定常水深與流場實現的；水深與流速對波向的影響很小。Located in the waters to the east of lantau island, peng chau overlooks penny s bay ( chok ko wan ) and hong kong disneyland to its north. the weather information at peng chau provided by the observatory includes temperature, relative humidity, wind speed and wind direction. furthermore, real - time weather photos are provided to enable the public to view the weather conditions there ( see attached maps )
坪洲位於大嶼山東面海域，與竹篙灣遙遙相對。天文臺提供坪洲的天氣資料包括氣溫、相對濕度、風速和風向，此外亦有實時照片，讓市民遙望竹篙灣及香港迪士尼樂園一帶的天氣情況（見附圖） 。Located in the waters to the east of lantau island, peng chau overlooks penny s bay chok ko wan and hong kong disneyland to its north. the weather information at peng chau provided by the observatory includes temperature, relative humidity, wind speed and wind direction. furthermore, real - time weather photos are provided to enable the public to view the weather conditions there see attached maps
坪洲位於大嶼山東面海域，與竹篙灣遙遙相對。天文臺提供坪洲的天氣資料包括氣溫、相對濕度、風速和風向，此外亦有實時照片，讓市民遙望竹篙灣及香港迪士尼樂園一帶的天氣情況（見附圖） 。The doppler radial winds from the terminal doppler weather radar ( tdwr ) 0. 6 - degree elevation scan over the hkia and its western approach were generally away from the radar ( positive radial velocity - - warm colours ), consistent with the low - level east - southeasterly flow ( figure 12 )
機場多普勒天氣雷達對香港國際機場及西面著陸區的0 . 6度仰角掃描顯示，多普勒徑向風大致離開雷達（正徑向風速暖色） ，與低空東南偏東氣流吻合（圖12 ） 。During this period, the forecaster at the observatory s airport meteorological office provided telephone consultation on winds and significant weather relevant to the flight operation
期間天文臺在機場氣象所的預報員透過電話向飛船提供風速風向及與飛行相關的重要天氣資料。分享友人