vertical jet 中文意思是什麼

vertical jet 解釋
垂直噴流
  • vertical : adj 1 垂直的,直立的,豎立的,縱的( opp horizontal )。2 頂上的,頂點的,絕頂的。3 【解剖學】頭...
  • jet : JET =Joint European Torus 歐洲聯合核變實驗裝置。n 1 【礦物】煤玉,黑色大理石。2 烏黑發亮的顏色。...
  1. Analyzing the physics structure of vorticity, divergence, vertical velocity, frontogenesis " function, apparent heat source and apparent moist sink etc. indicated the physics fields are favorable for the occurance of the heavy rain over changjiang - huaihe river basin where the physics values are well according to the heavy rainstorm positions ; the low level jet is closely subject to the moisture and the coupled system of the low and the upper level jetstreams induced the strongly " ascending motion ; the intensity of the frontogenesis varies with the development of the rainfall system and reacts the rainfall intensity

    主要分析了這次過程中的多種物理量,包括渦度、散度、垂直速度、鋒生函數、視熱源、視水汽匯等,對這一暴雨過程有了比較系統的認識。結果表明:在江淮流域存在著有利於發生暴雨的物理量場配置,渦度、散度、垂直速度等物理量,與暴雨的落區都很吻合的;低空急流的產生不僅有利於水汽的輸送,而且高低空急流的耦合造成了有利於強上升運動的配置;鋒生強度隨著降水系統的發展變化,並影響降水強度。
  2. Based on the close analysis of the influence factors of the vertical bearing capacity, circular aperture extension theory is employed to establish the computing formulas for the pile vertical stress and the foundation vertical bearing capacity, respectively. moreover, with analyzing the features of the calculation parameters such as materials of gunite mortar, jet pressure, diameter of the jet pipe, pile length, pile layout, a design theory for chemical churning pile composite foundation is proposed. then, the variation of the pipe deformation with loads, the deformation coordination of pile and soil are studied

    在此基礎上深入探討了旋噴樁的樁土受力特性及其復合地基的加固機理,從影響旋噴樁復合地基豎向承載力的因素入手,基於圓孔擴張理論給出了樁體豎向應力及旋噴樁復合地基的豎向承載力計算公式;通過對噴射漿液、噴射壓力選取、噴射直徑估算、樁長及樁位設計等各種計算參數的深入分析和研究,提出了一套相應的旋噴樁復合地基設計計算方法;通過計算分析,深入探討了旋噴樁復合地基變形隨荷載變化規律、樁和樁間土變形協調關系、樁土應力比及復合地基壓縮模量的確定,並提出相應的設計方法和修正參數;此外,結合工程應用,對旋噴樁復合地基的施工技術及其現場質量檢測方法進行了較全面的探討。
  3. We can use the mm5 model in definite time, definite area weather forecasting. we conclude that : : the moving route of this necw in its developing progress was direct - south along latitude, the cold air is rough, and just this made the rough vertical velocity ; the necw southern moving and conflicting with the west pacification sub - tropical high makes rough jet steam. the plenty south - west warm and wet air made by the jet stream gave the rainstorm demanded vapor ;. the rough vertical velocity by jet stream is a main reason in this rainstorm ; the mm5 model uses four - direction analysis data as its input, this avoids some errors occurred in observe and transfer, thus made the result more useful

    綜合分析認為: ( 1 ) 、這次冷渦在其發生發展過程中,其移動路徑是沿經圈直線南壓,攜帶的冷空氣勢力較強,形成槽后較強的垂直運動; ( 2 ) 、西太平洋副熱帶高壓偏北位置與東北冷渦南壓形成的急流軸,把源源不斷的西南暖濕氣流輸送到遼西地區,也就是急流軸的左前方位置,為這次暴雨的產生提供了充足的水汽來源; ( 3 ) 、低空急流不但為暴雨輸送水汽,其造成的較強的垂直環流也是產生強降水的一個主要原因; ( 4 ) 、 mm5模式以四維同化資料作為初始場,最大限度地避免了觀測誤差可能造成的積分不穩定,提高了模擬結果的參考價值。
  4. The application of the jet impingement flowfield is wide, such as the vertical / short takeoff and landing ( v / stol ) aircraft, rocket, and the heat jet industrial application

    摘要噴射撞擊流在航空工程的應用有垂直短程起降飛機、火箭及熱噴射工業應用等。
  5. The cutoff wall near the dam axis, the consolidation grouting and the curtain grouting for the foundation, and the high pressure jet - grouted cutoff wall at the toe of the dam form a vertical anti - seepage system for the dam foundation

    大壩軸線附近的防滲墻、基巖固結和帷幕灌漿,以及上游壩腳處的高壓擺噴防滲墻,在壩基構成了垂直防滲體系。
  6. The shear experienced by the departing aircraft was due to vertical shear as the plane passed through the low level jet. based on the winds measured on - board a flight departing 8 minutes earlier, there was a rapid increase in head wind component, from 13 kt at 1, 420 ft to 39 kt at 3, 100 ft

    起飛的飛機所遇到的風切變是由於該機經過低層急流的垂直切變所引致,根據一架在8分鐘前起飛的航機量度到的風速,顯示逆風由1 , 420尺的每小時13海里急速增加到在3 , 100尺的每小時39海里。
  7. The analysis of the large - scale synoptic situation shows that strong precipitation is closely related to the explosion of monsoon and the intensification of cross - equatorial flow which bring a lot of vapor and meet with cold masses at the eastern of northwest district on 8th, june causing extremely heavy rainfall ; that subtropical high - level jet at 200hpa, subtropical high at 500hpa and low - level jet at 850hpa are the weather backgrounds favorable to strong precipitation ; that the pattern of eastern highs and western lows and the establishment of a low - level jet and the coupling between upper - and low - level patterns that determine that the rain occurred in the east of the northwest china ( on average, this is the rainy season for the south of china, but not for the northwest china ) ; that water vapor comes from southerly and easterly flow which converge at the eastern of northwest district with convergence mainly in lower levels and pbl ; that the high value of the whole - level apparent heat source < q1 > is near the area of large rainfall in the direction of northeasterly - southwesterly agreeable to shear line very well and the condensation latent heat releasing is main heat source with vertical advection item playing key role in q1 and q2 ; that there is a vertical secondary circulation crossing low - lever jet whose ascending branch is at the area of large rainfall ; that the construction of convection instability and conditional symmetry instability results that there is not only deep thermal instability, but also moisture influx and triggering mechanism of thermal instability causing strong torrential rain

    作為對比,本文還對2002年6月24 - 25日發生在北京地區的強地形雨進行了分析,並討論陜南、北京地區兩地暴雨的異同點以及地形作用的共性和個性,為兩地暴雨預報提供有益的參考,得出了一些很有意義的結果: 1大尺度環流背景分析表明: ( 1 ) 「 02 . 6 」強降水與6月上旬越赤道氣流和季風爆發密切相關,攜帶大量水汽的偏南氣流與冷空氣於6月8日交匯在西北地區東部,導致了這次強降水的發生; ( 2 ) 200hpa的副熱帶西風急流、 500hpa副高以及850hpa的低空急流的配置非常有利於本文分析之陜西強降水的發展與維持。大尺度形勢分析表明,東高西低形勢場、低空急流的建立和高低空形勢的配置決定了這場降雨出現在西北地區東部。與暴雨區相聯系,存在一支橫越低空急流的經向垂直環流,暴雨區處于該垂直環流的上升支; ( 3 )偏南和偏東氣流水汽通道在西北地區東部交匯,水汽的輻合積聚主要在對流層低層和行星邊界層內完成; ( 4 )整層的視熱源< q _ 1 >高值區在暴雨區附近呈東北-西南向分佈,與切變線走向非常一致,降水產生的凝結潛熱釋放是強降水區大氣的主要熱源。
  8. The coupling of low - level ( convergence area lay ahead of jet on the left ) and upper - level ( divergence area lies rear of jet on the right ) jets played an important role in the course of vertical motion developing

    高空急流入口區(右後方)的輻散,與低空急流左前方的輻合區互相耦合,對垂直運動的發展起到很大作用。
  9. Finally, compared with the 2d result, the synthetic jet that 3d numerical simulated has a definite direction. the 3d result, however, has a much smaller fluctuation owing to the span - wise instability which created a breakup of coherent vertical structure into smaller scales, it therefore compares more favorably with the measured data in tests

    三、三維模擬結果顯示合成射流的方向性極佳,與二維模擬相比較,三維數值模擬的速度波動較二維模擬要小,旋渦的相干結構衰弱,這是因為三維模擬考慮了流動的橫向不穩定性,這更加接近實際情況。
  10. The characteristics and applications of the reverse jet bag deduster, jet pulsed bag filter and electrical deduster are introduced on emphasis, meanwhile, centralized dedusting technic is recommended for vertical cement kiln plants

    其中,重點介紹了立窯反吹風清灰袋除塵器、噴吹脈沖袋除塵器和電除塵器的特點及應用,並為多臺立窯企業推薦了集中除塵的技術方法。
  11. A flight garment worn by astronauts and jet pilots that presses on the lower body to maintain the blood supply to the brain during rapid vertical acceleration

    抗荷衣宇航員或噴氣機飛行員穿的飛行服,在快速垂直加速中增加身體下部的壓力以保持腦部血液供應
  12. Application of vertical pile driven by vibration and high pressure jet grouting technique in reinforcement of xiakouba reservoir

    振沖碎石樁及高壓噴射灌漿技術在下口壩病險水庫處理中的應用
  13. Finally, the thesis employed the new combined model to simulate the dense gas - solid two - phase vertical flows, to simulate the dilute or dense gas - solid two - phase jet flows, and both of them got a satisfied numerical solution. after comparing the numerical results to experimental data, we found that they were quite agreement. it proves that the new combined model is right, accurate and reliable, and it may be suitable to simulate various dense gas - solid multiphase flows

    最後,本文利用所提出的新的組合模型,對高濃度氣固兩相立管流動進行了數值模擬;對稀相和密相氣固兩相射流進行了數值模擬;兩者均得到了滿意的數值解;將所得數值結果與相關實驗數據進行了比較,兩者十分吻合,證明了本組合法在模擬高濃度氣固兩相流動時的準確性和可靠性,並具有一定的普適性。
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