wall region 中文意思是什麼

wall region 解釋
壁面區
  • wall : n 1 墻壁;(石、磚等的)圍墻;城墻。2 (形狀、用途)像墻壁的東西,障壁;土堤,堤防。3 (礦井、容...
  • region : n. 1. 地方,地域,地帶;地區;行政區,管轄區,區;左近,鄰近;(大氣、海水等的)層,界,境。2. 【解剖學;動物學】(身體的)局部,部位。3. (學問等的)范圍,領域。4. 〈罕用語〉天空。
  1. Based on the analysis of mechanism for joint region, the " frame - wall " and " aslope compression stub column " mechanical models and yielding patterns of core zone of the joints are set up. the shear load - carrying formulation for joint core zone is also given in terms of plastic ultimate analysis. and then, the comparisons between the formulas given in this paper and that of chinese design code ( draft ) and nonlinear fem as well are presented

    對節點核心區的抗剪,通過受力機理的分析,建立了鋼「框架剪力墻」加混凝土「斜壓短受力體系及其屈服機制,根據塑性極限分析,給出了節點核心區抗剪承載力計算的迭加公式, 《規程》公式和非線性有限元近似模擬分析結果進行了比較。
  2. Adaptability of pouring asphalt concrete core wall for earth - rock in cold region

    土石壩澆築式瀝青混凝土心墻在寒區的適用性
  3. The wall in association with the cytoplasmic membrane also delimits the paramural region.

    與細胞質模聯在一起的細胞壁也劃出了壁旁區。
  4. However, in real atmosphere, there exists vortex street made of two or three mesoscale vortices in typhoon eye - wall or outer region according to circulation of mesoscale structure observations

    但是,據近來臺風環流中尺度結構的觀測結果,實際大氣中,臺風眼墻或外區有時存在2 - 3個中尺度渦構成的渦列。
  5. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的水流運動特徵進行了比較全面的測量,包括空腔形態、徑向流速分佈及井壁壓強等;二、提出了豎井空腔段螺旋水流水力計算方法,其計算結果與實測值吻合良好;三、利用試驗與計算結果,對旋流式豎井的消能機理進行了探討,對豎井各部分的消能能力有了總體認識;四、對豎井下部消力井的合理井深進行了優化試驗研究,發現消力井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井水流總摻氣量估算方法,為導流洞排氣方案的設計提供了參考依據;六、在高水頭、大流量條件下,豎井空腔段下部流速很高,盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓,但空化數依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。
  6. Dongzigou ag deposit and jianbaoshan au deposit are hosted in the sandstone of middle - proterozoic suberathem, which are developed from the proterozoic sediment metal source - rocks formed during the meso - proterozoic volcanism and reworked by the mesozoic tectono - magmatism during the formation of the metamorphic core complexes in eastern hebei. the dongzigou ag deposit has the characteristics of reformed strata - bound origin, the jianbaoshan au deposit, located in the detachment fault, is the alterated rock type. both deposits have the similar wall - rock alteration, and show the same trace element behavior, and ree patterns. they are the results of the multi - stage tectono - magmatism in the environment of continental extension in eastern hebei region. their mineralization depended on their wall rocks and relative location in metamorphic core complexs

    賦存於中元古宙長城系常州溝組的洞子溝銀礦床和尖寶山金礦床是由密雲-都山變質核雜巖構造體系所控制的一組礦床。其成因為中元古宙火山巖漿活動形成的沉積礦源,后經中生代的變質核雜巖構造巖漿體系疊加改造而成。洞子溝銀礦床具有層控迭加改造的特點尖寶山金礦床則具有破碎蝕變巖型礦床的特點。
  7. The temperature gradient and concentration gradient were both large in the near - wall region. although the thermophoresis force could affect the 50 - micron particle, the concentration did not change as large as 2 - micron particle because of the large mass and the wall effect

    熱泳力對粒徑為50微米的顆粒也有影響,但是由於顆粒的質量較大,再加上壁面效應,其作用效果遠沒有2微米顆粒明顯,僅在近壁區顆粒的濃度略有升高,而其它部分基本不變。
  8. The temperature field along the axis, axial velocity, the turbulent energy, and the concentration of the particles were investigated when the temperature field varied. the numerical experiment shows that the thermophoresis force changes the concentration of the 2 - micron particle, decreasing in the main flow and increasing in the near - wall region

    數值實驗的結果表明在兩相流模型中添加熱泳力源項會對2微米顆粒在流場中的濃度分佈有很大的變化,主流區的顆粒濃度降低,近壁區顆粒濃度在溫差不大的時候,提高幾十倍。
  9. Improvement on the theoretical model for dissipation - rate budgets in near - wall region of a turbulent boundary layer

    近壁區理論耗散率模型的改進
  10. 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。
  11. For dilute solid - liquid two - phase flow, the mechanism of particle motion driven by fluid is the main subject, especially the particle motion in the near wall region. the bursting phenomenon and coherent structure of turbulence play an important role on the motion of particles in the near wall region

    明槽紊流近壁區的顆粒運動與紊動猝發現象及紊流相干結構有著密切的關系,開展近壁區顆粒與紊流相互作用的機理研究對于流體力學和泥沙運動力學都有著重要的理論意義和實際價值。
  12. A measurement system was developed based on flow visualization and image processing techniques, which can be used to investigate the spatial structure of low - speed streaks in the near wall region of turbulent open channel flow

    基於流動顯示和圖像處理技術,獨立開發了明槽紊流近壁區帶狀結構的實時測量系統。
  13. In this paper, the spatial structure of the low - speed streaks and particle motion in the near wall region of turbulent open channel flow were observed on the side and bottom of a water flume, respectively, using flow visualization and image processing techniques

    本文以試驗研究為主要手段,採用流動顯示和圖像處理技術,從水槽底部和側面兩個方向測量,分別對明槽紊流近壁區的帶狀結構及顆粒運動特性進行了系統的試驗研究。
  14. A series of experiments in a wider range of reynolds number were conducted for the investigation on the spatial and temporal distribution of the low - speed streaks in the near wall region of turbulent open channel flow. for the first time, the relationships between the spacing, the width, the length scale in the streamwise direction and the duration time of low - speed streaks and the reynolds number based on shear velocity were revealed

    在水力光滑區和過渡區對明槽紊流近壁區的帶狀結構進行試驗,測量並分析了帶狀結構的分佈,首次揭示出低速帶間距、寬度、縱向尺度及持續時間等隨摩阻雷諾數的變化規律。
  15. Numerical simulation of many - coherent structures in the wall region of turbulent boundary layer

    湍流邊界層近壁區多個相干結構的數值模擬
  16. The solids holdup is lower in the center than in the wall region at the radial positions, and the solids holdup is higher in the lower section than in the upper section of the riser

    在徑向分佈上,顆粒濃度呈現中心稀,邊壁濃的狀態。在軸向上,顆粒濃度呈現上稀下濃的分佈。
  17. The numerical methods with high accuracy and resolution are proposed to research the generation and evolutional process of the turbulent spots and coherent structures in turbulent flow of the wall region

    本文採用高精度、高解析度的數值方法研究湍斑及湍流相干結構的生成和演化規律。
  18. Larger changes were measured in the near wall region. the numerical simulating results of the gas - particle two - phase flow in duct show that the velocity difference of the gas and particle in the near - wall region would increase as the diameter of the particle enlarge

    絕熱兩相流的數值模擬結果表明顆粒在壁面的跟隨性隨粒徑的增大而下降,近壁區saffman升力的存在對兩相流動的軸向速度影響不大,但對顆粒的濃度分佈有一定的影響。
  19. Abstract : in this paper, through stress analysis of region about conical and spherical parts during drawing, a calculating formula of maximum tangential compressive stess in unsupported wall region is deduced. and this is condition of causing internal wrinkle. then on the premise to guarantee not breaking workpiece, a critical calculating formula is presented

    文摘:通過對球形和錐形零件在拉深過程中各部分的應力分析,得到了拉深過程中懸空區切向壓應力最大值的計算公式,以此作為引發內皺的條件,在保證工件不被拉裂的前提下,建立了臨界計算公式。
  20. In this paper, through stress analysis of region about conical and spherical parts during drawing, a calculating formula of maximum tangential compressive stess in unsupported wall region is deduced. and this is condition of causing internal wrinkle. then on the premise to guarantee not breaking workpiece, a critical calculating formula is presented

    通過圓筒形及盒形件拉深前後網格變化分析,並確定變形區和非變形區,由此得到不規則盒形件毛坯展開形狀由不變形區和參與變形拉深線組成,並用此方法計算出汽車制動閥安裝板的毛坯形狀和尺寸,在試模時一次即獲得成功,具有一定的實用價值。
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