垂直旋度 的英文怎麼說
中文拼音 [chuízhíxuándù]
垂直旋度
英文
vertical vorticity-
Therefore, the horizontal structure of tc changes. the vertial structure of tc tilts southwestward from lower level to higher level before landfall, and, it becomes more tilted as the tc center appro
登陸前,熱帶氣旋具有自下而上向西南方向傾斜的垂直結構,並隨著熱帶氣旋接近陸地而傾斜加劇,這種垂直結構和變化可能是活動于中緯度的熱帶氣旋所特有的。He would come up, close, co - altitude, within about three to five feet, was making gestures, pulled back a little bit, came back up again and made some more gestures, and then the third time his closure rate was too far. instead of under - running, he attempted to kind of turn and pitch up, and that was when his vertical stabilizer - - where it meets the fuselage of the aircraft - - impacted my number one propeller, basically pretty much tearing his aircraft apart
他追上來、靠近、與我們同一高度,距我們約3英尺到5英尺以內,他做了幾個手勢,後退了一點,再次追過來並做出更多的手勢,然後他第3次靠近,這次他離得太近了。他不是在下方飛行,而是試圖做出某種轉身和提拉,此刻他的垂直穩定翼同機身相接的地方撞到了我的1號螺旋槳,他的飛機基本上就斷裂了。Helicopter is hard to hover precisely for its bad stability. ordinarily, it is improved by flight control system, such like rotorcraft unmanned aerial vehicles which use bell bar or bell - hiller stabilizer bar. bell stabilizer bar, fixed across with teetering main rotor, consists of a bar and masses at two ends
貝爾穩定桿由一桿與兩質量塊組成,它與貝爾直升機的蹺蹺板旋翼垂直交叉放置,這種旋翼裝置有助於加大角速度阻尼,改善貝爾直升機的穩定性,但同時也降低了操作性。The series equipment versatillty, its performance had achieved the international advanced level, is at present is most effective, the practical reliable crushed stone machine, is suitable specially for the manufacture grinding compound, fireproof the matreial, the cement, the quartz sand, the emery, the stove are cut broken glass the power, the copper ore, the concrete aggregate and so on many kinds of, the crisp materials on the control granulated substance machine energy conserva tion 50 %, is in the present world system qranulated substance equipment
物料由機器上部垂直落入高速旋轉的葉輪內,在高速離心力的作用下,與另一部分以傘狀形式分流在葉輪四周的物料產生高速撞擊與粉碎,物料在互相撞擊后,又會在葉輪和機殼之間以物料形成渦流多次的互相撞擊、摩擦而粉碎,從下部直通排出,形成閉路多次循環,由篩分設備控制達到所要求的成品粒度。The methods reported by g. s. young in 2000, are applied on sea surface sar images featured by three dimensional convective cells. then the following parameters are retrieved from sar images : the characteristic wave length of three dimensional convective cell, the mabl depth, the vertical convective scale velocity, the surface buoyancy flux, obukhov length and the stability correction factor for sar derived sea surface wind speed
針對海洋大氣邊界層中三維對流渦旋sar圖像,用g . s . young在2000年發表的方法,反演三維對流渦旋的特徵長度、海洋大氣邊界層高度、以及海洋大氣邊界層垂直對流尺度速度、表面浮力通量、海面風速穩定性校正因子和obukhov長度。In the second part of the paper, with employing the game reanalysis data and on the basis of the theories of the baroclinic vorticity development, this paper inferred from the dynamic analysis that the horizontal vorticity can represent the baroclinic intensity of the large - scale atmosphere, and the conversion of the horizontal vorticity converting into the vertical vorticity is actually the phenomenon that the horizontal vorticity flux of the summer monsoon owning the striking longitudinal - direction vertical structure and the strong baroclinicity, influence on the horizontal movement of the atmosphere
在第二部分,基於第一部分的結果,本文在斜壓渦度發展理論的基礎上,用在我國季風區具有更高準確性的game再分析資料,討論分析了能代表大尺度大氣斜壓性強度的水平渦度在向垂直渦度轉化的情況,說明了此轉化就是具有明顯經向垂直結構特徵和強斜壓性的夏季風環流圈將其經向垂直剖面上的渦旋通量強迫於水平運動的現象。The contrast analysis for the vertical distribution feature of the simulated physical quantities such as vorticity, divergence, vertical velocity. spiral degree etc suggests that there are a good disposal among the various physical quantities fields in the different stage during the period of sandstorm development, and reveals that the dynamic mechanism of the forming, developing, decreasing of the sandstorm weather and trigger and indication effects of the micro - mesoscale systems and secondary vertical circulation to the occurring and developing of sandstorm in northwest area
對渦度、散度、垂直速度、螺旋度等物理量的水平和垂直分佈特徵進行對比分析,發現各物理量場在沙塵暴發展的不同時期有著很好的配置,揭示出西北地區沙塵暴天氣的形成、發展、消弱的物理機制和中小尺度系統、次級垂直環流對沙塵暴天氣發生發展的觸發和指示作用。沙塵暴區上空螺旋度垂直分佈為高層負值,低層正值,螺旋度大小的演變與沙塵暴的出現有一定的對應關系。The function of stone artistic splice complete through to established basic design or source material warehouse with the help of others graph process software. besides author come up with a new program or machine method in accordance with stagger in the thicknes and vertical length at the stone sticking execution, i. e ensure the accuracy in measurement to approach subsection by space spiral line, the data used directly by numerical control machine. finally machined the stone become a spiral line columned surface arc slab
此外,針對旋轉樓梯扶手石材貼片施工時所出現的厚度和垂直方向易產生較大錯邊的問題,提出了一種新的建模方案和加工措施,即在保證測量精度的基礎上,分段以空間螺旋線逼近,經過計算機處理后的參數直接可供數控加工使用,最後把石材貼片加工成螺旋線型的柱面弧形扳。In this paper, a bogused vortex with tilted vertical structure is firstly taken into account. check results of experiment b, experiment bt and experiment nb, we find that the simulated tc track, center pressure and pattern of precipitation during landing in experiment b are better than others. so, a bogused vortex with asymmetrical horizontal structure and tilted vertical structure is good for a tc moving in mid - latitude, which may be a new way to initialize this kind of tc in numerical simulation
本文首次採用傾斜垂直結構的人造熱帶氣旋作為初始渦旋,試驗b和試驗bt以及試驗nb的模擬結果對比發現,前者對9806號熱帶氣旋登陸前後的運動路徑、中心氣壓、降水分佈和初始結構的模擬能力優於後兩者,因此,具有傾斜垂直結構的人造熱帶氣旋比正壓結構的人造熱帶氣旋更適合於作為模擬中緯度運動的熱帶氣旋的初始渦旋,從而提出解決該類熱帶氣旋初始化問題的一種新思路。The model considers as its states the helicopter vertical and horizontal velocities, vertical and horizontal displacements, and the rotor angular speed
其中的狀態變量包括直升機的水平和垂直速度、水平和垂直位移以及旋翼轉速。Specifies a 90 - degree rotation followed by a vertical flip
指定後接垂直翻轉的90度旋轉。Specifies a 180 - degree rotation followed by a vertical flip
指定後接垂直翻轉的180度旋轉。Specifies a 270 - degree rotation followed by a vertical flip
指定後接垂直翻轉的270度旋轉。This paper puts forward a new bulk taking equipment project - screw and gas sucking - taking equipment, first the paper analyses the movement of bulk material in the screw slot, and analyses the materials movement law under the influence of the varitational room between screws and the airflow qualitatively, establish the equation of movement of the stream of gas and solids bulks in screw slot and build up the law of material vertical transportation and airflow radial speed distribution in screw slot
論文提出一種新的散貨取料裝置方案? ?螺旋氣力吸取料裝置,論文從物料在螺旋槽中的運動分析開始,定性分析了物料在變螺距螺旋空間和氣流共同作用下運動規律,建立了物料與空氣沿螺旋槽輸送的運動方程,確定物料的垂直輸送速度與氣流速度在螺旋槽內的徑向分佈規律。In the process of single fiber sedimentation, it is steady that the fiber axis orients horizontally. the terminal sedimentation rate and the lateral shifting rate increase with the particle aspect ratio. the fiber with the aspect ratio of about 2. 8 rotates fastest to the stable location
對于單根纖維的沉降,其穩定取向是軸線與重力方向垂直的方向;纖維的沉降速度隨長徑比的增加而增加,但趨勢變緩;纖維的橫向漂移隨長徑比增加而增加;長徑比在3左右的纖維,旋轉到穩定取向的速度最快。Results show that there are two main spatial patterns of the wp ssta : one is uniform in the whole area, the other is of the north - south asymmetry. when the spatial pattern is uniform in the whole area, in the warm years, there is a anticyclone circulation existing over the warm pool and westerly in the subtropical region and easterly in the tropical region have been greatly strengthened at 850hpa, while a anticyclone circulation over the india region at 200hpa, the walker circulation has been strengthened, the summer rainfall may be above normal in the upper and middle reaches of the yangtze river, vice versa
當ssta為一致性分佈時,暖異常年, 850hpa暖池區上空為一反氣旋偏差環流,副熱帶地區西風和低緯度地區東風得到加強,長江中上游地區盛行偏南風氣流; 200hpa南亞上空為一反氣旋偏差環流,長江中上游地區為北風; walker環流加強,副熱帶高壓偏強,經向垂直環流在25 35 n附近為上升氣流,長江中上游地區降水偏多,是lanina事件的多發年,對應的soi指數偏高,冷異常年則相反。This paper discuss the effect of roughness coefficient on the tropical cyclone landfalling process using a idealized tc model developed from psu / ncar mm5 in the condition of quiescence and f - plane atmosphere. in order to understand the different influences of land and sea surfaces in the tc landfalling process, two kind of experiments had been designed : one for settled tc, the other for movable tc, and each kind consists four tests. the result indicates that the distribution of wind, precipitation, warm core and intensity of tropical cyclone has been changed obviously due to the effect of difference between the land and sea
本文利用bogus技術在psu / ncarmm5中加入了理想熱帶氣旋初始渦旋,在f -平面和無環境流場的理想情況下,設計了兩組靜態和動態試驗,通過控制試驗和不同粗糙度的登陸試驗,分別從空間和時間上探討了理想熱帶氣旋的登陸規律和分佈特徵,特別研究了邊界層中熱帶氣旋中心區域風場的垂直細致結構,並初步分析了其物理機制。With the helicopter hovering at a safe altitude, roll the helicopter to the left, until the rotor blades are vertical, the helicopter must remain horizontal during this maneuver, drop collective and add forward cyclic
先將直升機停懸在安全的高度,然後將副翼打左舵執行1 / 4側滾,直到主旋翼回轉面成為垂直,機體必須保持水平,降低主旋翼的螺距成為0 ,並且將升降舵打降舵。It is based on a proper decomposition of the ship motion in horizontal and vertical components. proper imaging intervals in order to obtain high quality ship images are selected using the estimated rotating angular velocity and doppler extension
它將轉動分量作了水平、垂直分解,估計出旋轉角速度和多普勒展寬,並藉助於它們選擇最優成像時間段以得到較高質量的艦船圖像。Specifies a 90 - degree rotation followed by a horizontal and vertical flip
指定後接水平翻轉和垂直翻轉的90度旋轉。分享友人