流不均勻性 的英文怎麼說

中文拼音 [liújūnyúnxìng]
流不均勻性 英文
non-uniformity of flow
  • : 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...
  • : 名詞[書面語] (剁物所用的木墩) a block of wood
  • : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
  • : Ⅰ形容詞(均勻) even Ⅱ動詞1. (使均勻) even up; divide evenly 2. (分出一部分) spare
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  1. The structure of air - blast pipe was improved on. an orienting object was installed based on theoretical analysis, that increase the spraying span. it has been found that both spraying span and droplets uniformity improved, by installing the orienting object. according to the results of a great number of experiments, orderliness of droplets diameter along the spraying span was researched, and rational spraying span of air - assisted sprayer was suggested

    通過試驗檢驗噴霧機樣機的噴霧能,並提出對各項參數的優化設計方案。通過正交試驗和對比試驗對霧滴取樣,證明導器的安裝僅增加了噴幅,而且還提高了霧滴系數。根據大量試驗的結果分析,找出了霧滴直徑在噴幅方向上所呈現的變化規律,並提出了合理的噴幅范圍。
  2. The online measurement of mold heat flux can not be replaced by online temperature measurement, the later can respond the uniformity of heat transfer and thickness of solidified shell mote accurately and directly, and online temperature and heat flux measurement of mold can be used to foresee the mold conditions such as fix and scaling of mold

    溫度的在線檢測能代替熱的在線檢測,後者可更準確和直接地反映結晶器傳熱和坯殼厚度的;同時在線檢測結晶器的溫度和熱有可能對結晶器的設備狀態(如結晶器的安裝狀況和水垢狀況)實現在線預測。
  3. And the results of calculation and numerical simulation indicate, without increasing the intrinsic collector - junction area of power devices, collector - combed structure helps to raise the intrinsic heat - dissipating area and base ' s perimeter, improve heat - dissipating method of each cell of the chip, enhance the distribution uniformity of junction temperature and current of each cell of the chip, reduce the thermal resistance and raise the dissipation power pd and output power p0, fairly well relax the contradiction among frequency, out - put power and dissipation power of the devices, and further improve the devices " property against second breakdown

    而計算分析和二維數值模擬分析結果表明:梳狀集電結(基區)結構在增加器件本徵集電結面積的條件下,增大了器件的本徵散熱面積和基區周長,改進了每個子器件單元內的散熱方式,提高了單元內結溫和電分佈的,降低了器件的熱阻,增大了器件的耗散功率和輸出功率,較好地緩解了目前傳統結構中頻率與功率、功耗的矛盾,並有利於改善器件抗二次擊穿的能。
  4. And it is well known that the non - uniform current and potential distributions on the plate can obviously affect the active mass utilization, especially for the positive plate

    而且極板上的電和電位分佈會明顯影響活物質的利用率,尤其是正極板。
  5. On the contrary if resin ' s viscosity is very low, the capacity of resin in soiled thing become lower. both this two conditions can lead to decrease product ' s performance. in the manufacturing of fiber reinforced plastic production, measurement and control of resin viscosity is always a difficult problem to resolve

    樹脂的粘度越高,那麼其越差,原材料外表面上的樹脂分佈就越;反之,如果樹脂的粘度很低,被浸漬物的浸膠量會過低,這兩種情況都將導致製品能下降。
  6. Abstract : based on the data obtained from field observations and deformation monitoring, this paper deals with the deformation and failure of a double - decked slope composed of soft rock strata in its lower part and hard - brittle rock strata in its upper part. it is demonstrated that the deformation of this kind of slopes is always initiated by the non - homogeneous rheological compression of the lower soft rock strata, leading to the tension fracture and toppling of the upper hard rock strata, and at last the sliding of the whole deformed body will be caused by the shear failure along the stress - concentration zone in the lower soft rock mass under the actions of the gravitational loading and infiltration water

    文摘:以現場考察和變形監測資料為依據,探討一個下部有軟弱基座,上部為硬脆坡體的「二元結構」邊坡的變形破壞問題,揭示這類邊坡的變形總是以下部軟弱巖體的壓縮變為先導,進而引起上部硬脆坡體的拉裂與傾倒,最終通過滲入水的作用,使下部承載狀況已進一步惡化了的軟弱巖體,沿剪應力集中帶發生剪切破壞而導致整個變形坡體的下滑。
  7. Numerical models are frequently used to simulate water flow in hydraulic engineering. shallow water equations are basic governing equations with assumption of the velocity distribution uniformly in vertical, so they have some limitations on the simulation of some plane flows, such as wind - induced flow, curve river flow and flow nearby the submerged dikes. for above - mentioned reasons, extended shallow water equations are developed by introduction of momentum coefficient, correction of convection and bed resistance in equations of motion

    在水利工程中經常需要採用數學模型模擬水態,淺水方程是進行平面態模擬計算的基本控制方程,但因其忽略了速垂線分佈的,在模擬某些平面態(如風生動、河灣水、潛壩等工程附近的動)時存在一定的局限
  8. Second, we introduce a two - lane traffic model which is based on the ( 0, 2 ) and ( 0, 1, 2 ) models. we mainly study the coupling effect of lanes. in two - lane traffic, vehicles can change lanes and overpass. the interactin between lanes is considered as coupling effect. the computer simulation indicate that ( dthe current of the system with cupling is greater than that without coupling ; 0for a certain initial density, the average flow and speed are indepent on the coupling coefficient which is greater than zero ; when the initial densities ( speeds ) of lanes are different, the characters of traffic system will be different

    在單車道模型的基礎上,建立v _ ( max ) = 2雙車道模型,研究車道的耦合效應。雙車道模型中車輛可以進行轉道、超車,兩道之間有耦合作用。模擬結果說明,有耦合時系統的量比沒有耦合時大;在固定的初密度條件下,只要耦合系數b 0 ,兩道間的耦合強弱對量和速度無影響;兩道初密度分佈和速度分佈都能使交通系統特發生變化。
  9. Simulated results showed that the position and the evolution process of necks are influenced by tensile strain rates. uniform deformation covers only a small fraction of the total deformation. however, at the steady - like flow stage, restrictions and accommodations between scattered localizations promote large uniform deformation

    數值結果表明,頸縮的位置及發展過程受拉伸應變速率影響,完全變形在總變形中實際占份量較小,而似穩動階段的分散的相互牽制與協調,使率敏感材料得以在接近的狀態下經受大的變形。
  10. The radial distribution function was introduced in order to take into account the effect of the uneven local particle concentration on the particle collision probability

    推導了高顆粒濃度氣固兩相顆粒間碰撞概率的計算公式,引入徑向分佈函數來考慮局部顆粒濃度對顆粒碰撞概率的影響。
  11. Effect of spatial precipitation heterogeneity on runoff process

    降水空間對徑過程模擬的影響
  12. On the platform of digital basin derived from raster dem data, - a grid - based hydrological model and a subcatchment - based hydrological model were used to study the effects of spatial variability on runoff process on such aspects as precipitation, model parameters and soil evaporation

    在構建的數字域平臺基礎上,建立分別基於子域離散和柵格離散的數字水文模型,從而分析研究降水、模型參數和土壤蒸發的空間對模擬水文過程的影響。
  13. The parameter in the xin ' anjiang model, imp, was extracted directly from above land use / cover data. another parameter, sm, in each subcachment and in each raster grid was obtained from the relation between sm and the ratio of forest land area to subcatchment area. thus, a semi - distributed hydrological model and a distributed hydrological model were established to analyze the effect of some parameters in xin ' anjiang on runoff process according to the spatial variability of land surface characteristics

    將遙感技術獲取的土地利用和地表覆蓋一公里柵格信息與數字高程模型數據進行空間配準,然後通過構建林地面積比與新安江模型參數sm的關系間接確定各子域及各柵格單元的的sm值,新安江模型參數imp由配準好的土地利用和地表覆蓋信息直接提取,由此建立方案與方案,來分析受下墊面覆蓋的空間影響的模型部分參數是如何對模擬水文過程產生影響的。
  14. The impact of human activity on the hydrological cycle is taken into consideration. on the platform of digital basin, the quantitative response of land - use change on hydrological processes is implemented with the help of the correlation between model parameters and land - use within subcatchments, so as to serve for land planning and sustainable development within the basin

    定量定位地分析人類活動對其所在子工學碩士學位論文數字城平臺上水文過程與棋型,數的空間研究域水循環的影響,定t地分析某個子域上土地利用的變化對整個域的影響,為今後土地利用開發決策提供依據。
  15. In the upper troposphere, there is no intact asian active center. the troposphere structure of summertime ao is implicated with the horizontal heterogeneity of air temperature throughout the whole troposphere with its center over asian continent, which results in the zonal asymmetry and baroclinic structure of the summertime ao ( especially its asian center ). on the contrary, the correlation between wintertime ao and sea - land thermal contrast confines in the lower troposphere, hence its zonal asymmetry and baroclinity in the lower level

    夏季北極濤動的這種結構與對層整層的溫度水平分佈有密切聯系,且這種溫度分佈差異主要體現在亞洲大陸,因而也就使北極濤動的中緯度亞洲中心呈現出比同緯度帶其它區域更為明顯的緯向非對稱和斜壓;而冬季北極濤動受下墊面海陸分佈差異影響,其緯向非對稱型和斜壓質主要出現在對層中低層,在對層高層表現出很強的環形模態和正壓結構。
  16. Actually correction coefficient of kinetic energy reflects the non - uniform characteristics of cross - sectional velocity in natural rivers. it is related with hydraulic parameters and can be expressed by chezy ' s coefficient. the larger the resistance of boundary, the more non - uniform the distribution of cross - sectional velocity

    動能修正系數實際上反映了河道橫斷面速分佈的,與斷面的水力要素有關,可用謝才系數c來表示,水所受的阻力越大,邊界對其影響也就越大,速分佈愈,導致動能修正系數增大。
  17. A mathematical model of flows in the substrate was established using the equivalent continuum approach, and multi - dimensional numerical simulation of the steady flows in the catalytic converters was performed. simulation results show that the separation and vortex, which cause the pressure loss and the velocity non - uniformity at the front of the first substrate, are generated near the wall of the conical pipe. in addition, the larger the inlet cones angle the more the pressure loss and maldistribution in converters, however, when the angle enlarges enough the pressure loss would be decrease

    結果顯示氣在擴張圓錐管壁附近出現分離產生較強的擾動,造成局部動損失和載體前氣速度沿徑向分佈;入口擴張管結構對催化器的動特有很大影響,但並非擴張角越大,催化器速武漢理工大學碩士學位論文分佈的和壓力損失也增大,而是存在著一個最佳角度,但當擴張角增大到一定程度以後,擴張角對速分佈和壓力損失的影響變小。
  18. It is found that the fluid flow maldistribution is very serious for conventional header while the improved header configuration with punched baffle can effectively improve the performance

    實驗結果表明,原始封頭內部的物分配存在嚴重的,採用添加打孔擋板之後的改進型封頭,場的有了很大的改善。
  19. Abstract : a mathematical model describing the effect of flow nonuniformityon the performance of compact heat exchanger is provided, which is based on that one side of heat exchanger is uniformly distributed but the other is of maldistribution. the model may be expressed in two different types, i. e., continuous model and discrete model. the former provides a method analyzing the performance deterioration of exchanger due to flow maldistribution, and the latter provides a reference to the improvement of experimental measurement. the analyzing method obtained can be used to compute the performance deterioration of compact heat exchanger due to flow maldistribution. the result is significant to the optimization of compact heat exchanger design

    文摘:以一側體分配的換熱器模型為基礎,建立了物分配對換熱器效能影響的數學模型,通過理論分析和計算,為研究換熱器內部物分配對其效能的影響提供了一種分析方法.該理論模型包括連續模型和離散模型2種形式,前者為研究物分配引起換熱器效能的下降提供了一種分析計算方法,後者為控制實驗研究的精度提供了理論依據.研究結論對換熱器的優化設計具有重要意義
  20. In chapter five, the reflection of solitons at more than two bifurcations are studied. the maximum reflections will take place when the radius of each branch is same

    結果表明:當所有動脈分支的半徑都相同時,將會出現最大反射,動脈血管的將影響血脈沖的振幅。
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