部分平均流速 的英文怎麼說

中文拼音 [bùfēnpíngjūnliúsù]
部分平均流速 英文
mean velocity at a segment
  • 部 : Ⅰ名詞1 （部分; 部位） part; section; division; region 2 （部門; 機關或組織單位的名稱） unit; mini...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 平 : Ⅰ形容詞1 （沒有高低凹凸 不頃斜） flat; level; even; smooth 2 （高度相同; 不相上下） on the same l...
  • 均 : Ⅰ形容詞（均勻） equal; even Ⅱ副詞（都; 全） without exception; all
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 部分 : （整體中的局部或個體） part; section; portion
  • 流速 : [機械工程] velocity of flow; strength; [水文] current velocity; current speed; flow rate流速管 pi...
  1. 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. Abstract : the effective shear stress of sediment transport is analyzed theoretically and tested by experimental data. the result shows that the effective shear stress is neither the overall shear stress nor the sand grain shear stress, but the geometric mean of these two stresses. the effective shear stress not only generalizes the flow intensity but also summarizes the flow intensities of mean flow velocity, stream power and unit stream power

    文摘:本文通過理論分析及實測資料檢驗表明，無論對於何種泥沙運動狀態，決定泥沙運動的有效切應力既不是沙粒切應力又不是全部切應力，而是介於兩者之間，近似為沙粒切應力與全部切應力的幾何平均值.這一有效切應力不但是對切應力類水流強度指標的總結，還可以概括平均流速和水流功率等水流強度指標
  3. And then simulations of gas - particle two phase plane wake and gas - particle two phase plane jet were carried out by using this model. after numerical simulations of the two flow fields were finished, series of analytical work was done. first, the distribution of time - averaged velocity, turbulence intensity was analyzed, and some of the simulation results were compared with those of the experiments ; the coherent structure of vortices in the near wall region of the plane wake flow were studied by describing the evolution of the eddy structures, including the forming, developing and shedding from the wall of the vortices in the near wall region ; the coherent structure of vortices in the whole field was also studied, such as the forming, developing, moving, pairing and merging of the eddies etc.

    在對上述兩種流動形態的二維大渦模擬研究中，首先全面地分析了氣相時均流場的速度、湍流強度的分佈規律以及氣相速度的脈動規律等並就部分數值模擬結果與實驗結果進行了對比研究；分析了平面尾跡流場中近壁處旋渦擬序結構，全面和逼真地反映了近壁處旋渦的生成、發展和脫落的規律；描述分析了平面尾跡流和平面射流的全場流動旋渦擬序結構，從整個流場的角度反映旋渦的生成、發展、運動以及旋渦之間相互配對、合併的作用規律等。
  4. 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。
  5. In this paper, a image processing method has been presented, with this method mean temperature of testing object can be arrived at from infrared picture and the interior temperature gradient of the test pieces in the situation of transient heat transfer can be got. unsteady - state heat transfer mechanism of wall has also been studied in this paper. on the basis of theoretical analysis and experimental study we can get such conclusions : infrared testing of energy conservation of buildings is rapider and more accurate than heat - flow meter method which is popular at present ; heat transfer mechanism in the situation of unsteady - state heat transfer has been analyzed through experiment ; the interior layers ’ temperature of the test pieces ascent in company with

    本文在理論分析和試驗研究的基礎上得出以下結論:本文研究的紅外檢測建築節能的方法比目前存在的熱流計法更快速、更準確;用試驗分析了墻體在非穩態傳熱情況下的傳熱機理;試件各層溫度隨著受熱面環境溫度的上升而上升，只是上升的程度不同，響應時間不同，這是由於試件內部有一個蓄熱過程;通過傳熱理論和建築熱工計算推導出了非穩態傳熱情況下的傳熱系數的計算公式;本文用matlab進行紅外圖片的處理，進而得到被測物的平均溫度;用數據處理軟體擬合溫度熱流。
  6. ( 2 ) validate whether the crest elevation can meet the require of energy dissipation and erosion prevention during the beginning period of flood discharge. ( 3 ) calculate the altitude of downriver cofferdam, and make it meet the require of energy dissipation and erosion prevention. ( 4 ) calculate some average velocity of flow through some sections, including contracted section in stilling basins behind upriver cofferdam, if the hydraulic jump happen in lower reaches of the river. the program will calculate the average velocity of flow of contracted section and the length of the apron

    主要設計內容包括：計算上游圍堰后消力池的尺寸；驗證泄洪初期壩面高程是否能夠滿足消能防沖需要；計算下游圍堰堰頂高程，使其滿足泄洪期圍堰和壩體過流的消能防沖和工程進度的需要；計算部分斷面平均流速，包括：上游圍堰后消力池中收縮斷面的斷面平均流速；壩首和壩末的斷面平均流速；當下遊河道發生水躍時，計算下遊河道的收縮斷面平均流速及需要鋪設護坦的長度。
  7. This machine adopts a whole stainless steel packing, the temperature is a number to show automatically control, heat or reduce the heat to all have a signal beacon manifestation, the electric current electric voltage size switches on to all have a manifestation, automatically feeding powder can adjust soon, spread to move part is the bean that the my plant produce product machine appropriation decelerate machine, electrical engineering is the steel plate adjustable type, the machine bottom use of upscale run a round, easy to ambulation, cool off part is automatically circulating water device, the bottom establishes keep of big capacity water tank and heat part is heat preservation economy energy type, normal production can economy in electricity quantity of 30 %, in fact use electricity charges and burn coal basic hold even

    本機採用全不銹鋼包裝，溫度是數顯自動控溫，加溫或降溫均有信號燈顯示，電流電壓大小開機均有顯示，自動喂粉可以調速，傳動部分是本廠生產的豆製品機械專用減速機，電機架是鋼板可調型，機器底部用的高檔跑輪，便於移動，冷卻部分是自動循環水裝置，底部設有大容量的儲水箱，加溫部分是保溫節能型，正常生產可節約用電量的30 % ，其實用電費和燒煤基本持平。
  8. This machine adopts a cold plank packing, temperature means that the needle automatically control, heat or reduce the heat to all have a signal beacon manifestation, the electric current electric voltage size switches on to all have a manifestation and automatically feed powder is certainly and soon, spread to move part is the bean that the my plant produce to product the machine appropriation deceleration machine, the electrical engineering is the steel plate adjustable type, the machine bottom use of upscale run a round, easy to ambulation, heat part is a heat preservation economy energy type, normal production can economy in electricity quantity of 30 %, in fact use electricity charges and burn coal basic hold even

    本機採用冷板包裝，溫度是指針自動控溫，加溫或降溫均有信號燈顯示，電流電壓大小開機均有顯示，自動喂粉是定速，傳動部分是本廠生產的豆製品機械專用減速機，電機架是鋼板可調型，機器底部用的高檔跑輪，便於移動，加溫部分是保溫節能型，正常生產可節約用電量的30 % ，其實用電費和燒煤基本持平。
  9. In the study of the multi - objective cooperative optimization on makespan, the relationship between various balancing indices with the system objective is analyzed ; the result of co - evolution optimization and result of serial optimization is compared and analyzed ; the algorithm is given. based on the decision schemes of co - evolution, the multi - objective decision is made. in the model of leveling the material flow, the model of minimizing usage rate is extended to all levels of materials in the flow line, and a new model is built up, based on the makespan ; the objective of leveling the material flow is combined with the line balancing firstly

    在基於製造周期（ makespan ）的多目標協同優化中，研究了各種平衡指標與系統目標之間的關系，將協同優化的結果與串列優化的結果進行了比較分析，給出了混合流水線協同優化與多目標協同優化的具體演算法，並且在多目標協同優化得到的決策方案集的基礎上，進行了多目標決策；在基於物流的多目標協同優化模型中，將零部件使用速率的均勻化模型推廣到流水線上各個層次物料供應（物流）的平準化問題，首次在makespan的基礎上將物流平準化目標與混合流水線的平衡設計有機結合起來，根據頂層物料和低層物料的不同特徵，分別建立了頂層物流的平準化模型和低層物流的平準化模型，進一步地研究了帶資源供應約束型的物流平準化模型。
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