進口流速系數 的英文怎麼說

中文拼音 [jìnkǒuliúsùxìshǔ]
進口流速系數 英文
intake velocity coefficient
  • 進 : 進構詞成分。
  • 口 : Ⅰ名詞1 （人或動物進飲食的器官; 嘴） mouth 2 （容器通外面的地方） mouth; rim 3 （出入通過的地方） ...
  • 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...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 進口 : 1 （船隻進港） enter port; sail into a port2 （外貿進口） import3 （入口） entrance; [機械工程] i...
  • 流速 : [機械工程] velocity of flow; strength; [水文] current velocity; current speed; flow rate流速管 pi...
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. A new planning method - analysis of factors of point line and area and control points optimization, which is based on the analysis of urban spatial structure, is tried to put forward. analyzing the important functional clusters in the spatial layout of the urban, the intracity medium - long distance vehicle traffic major directional desire line how the urban to link up with the highway network and the whole structure of expressway system, the skeleton of the expressway network can be obtained. using the degree of importance method analytic hierarchy process ( ahp ), one or several intersections can be selected

    該法對城市空間結構布局中的重要節點、主要的中長距離機動車交通流徑期望線的分佈、大城市與區域干線公路網的銜接以及快速路系統線網的整體結構等進行分層次的分析研究，得出快速路系統線網構架，運用重要度法、層次分析法找出大城市重要功能組團中重要程度最高的一個或數個關鍵交叉口作為快速路系統線網規劃的控制點，考慮快速路線路走向的控制點對線路走向進行優化。
  2. And the setting standard of bus lane is also studied, which includes the standard of bus speed, the standard of bus flow rate, the standard of road condition. moreover the bus signal priority and the pre - signals are introduced and the bus priority network is planned by using the planning method of urban mass transit network. finally the methods of benefit assessment of bus lane, bus approach lane and bus transport priority network are studied, which takes the travel time of each person as standard

    系統地討論了公交專用道、公交專用進口道、公交停靠站的設計方法和它們之間的關系；研究了公交專用道的設置標準，其中包括：車速標準、公交車流量標準和道路條件標準；對公交優先信號、公交預先信號進行了介紹；應用軌道交通線網規劃的方法對公交優先通行網路進行規劃；以人均出行時耗為指標對公交專用道、公交專用進口道、公交優先通行網路的效益評價方法進行了研究，並且建立了數學模型。
  3. Based on the analysis of thin sections by microscope, measurement of porosity and density, and geological setting, we tested the rock physical parameters of sandstone, siltstone, carbonate and other transitional sedimentary rocks by the mts system under formation conditions ( temperatures, pressures and pore fluid properties ). the rocks we tested are from tertiary ( including zhujiang formation, zhuhai formation, enping formation, hanjiang formation ) of zhujiangkou basin in southern china sea. according to the analysis results, we studied the main ultrasonic wave velocity characters of rocks, which are compressive and shear wave velocity and poisson ' s ratio under different formation conditions

    在對珠江口盆地第三系儲集巖進行顯微鏡薄片分析、孔隙度和密度分析，以及地質背景分析的基礎上，利用巖石物理參數測試系統（ mts ）模擬地層條件（溫度、壓力和孔隙流體狀況）測試了珠江口盆地第三系（包括珠江組、珠海組、恩平組、韓江組，以下有關討論同）砂巖、粉砂巖、碳酸鹽巖及其過渡性巖石物理性質，重點研究了不同地層條件下巖石的聲學特徵（巖石的縱橫波速度和泊松比） 。
  4. ( 2 ) on the leading edge, the film cooling effectiveness at the zone immediately downstream of the cooling holes is affected by blowing ratio and mainstream reynolds number, while the effects are not important in the downstream zone far from the cooling holes. ( 3 ) on the front half of pressure surface, the effectiveness increases with decreasing blowing ratio at the downstream near the cooling row and it is contrary at the downstream far from the cooling row. ( 4 ) on the rear pare of the pressure surface, the effectiveness decreases with increasing blowing ratio and does not vary so much downstream in the cases of higher blowing ratio

    研究結果表明葉片吸力面端壁附近區域壓力系數分佈呈現出較強的三維特性，動葉吸力面尤其明顯；氣膜孔流量系數隨吹風比的增加而增大，在高吹風比情況下，流量系數逐漸趨于常數；在不同型面區域，冷卻效率分佈有較大的差異，而且吹風比與主流雷諾數的影響程度也不盡相同；低吹風比下，孔出口下游附近可以得到較好的冷卻，中、高吹風比下，冷氣射流在加速流動主流的作用下返回壁面進行二次冷卻，孔下游較遠區域可以得到較好的冷氣覆蓋。
  5. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上，以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型，通過攝動方法和有限體積法，首次對各種截面（圓截面、橢圓截面、環形截面、矩形截面）旋轉曲線管道內充分發展流動的流動結構和傳熱特性（包括耦合對流傳熱特性）以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析，詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響，獲得了若干創新性成果。
  6. It is reflected in the aspects of quantity and quality ; ( 3 ) the unsatisfactory benefit. the number of enterprises entering the epz in per square kilometer, the amount of investment, and the total value of import and export are not satisfactory ; ( 4 ) the high cost of operating and managing the enterprises inside the epz. on one hand, indirect purchase inside the nation increases cost ; on the other hand, the transportation under the supervision of customs increases the cost of logistics ; ( 5 ) the little technological content of the enterprises inside the epz

    發展速度緩慢，主要體現在總量和速度兩方面；項目引進難、規模偏小，主要體現在數量和質量兩方面；效益較差，每平方公里的進區企業數、引資額、進出口總額、出口總額都不理想，收益微薄；入區企業運行維護成本高，一方面國內間接采購增加費用，另一方面海關監管運輸增加物流成本；入甲文摘要旦旦旦旦旦旦旦旦旦旦旦旦旦旦旦旦區企業科技含量較低，五家企業中只有一家屬于高科技企業，另外四家都屬于傳統機加工企業;前後向聯系差，帶動效應弱。
  7. ( 2 ) a series of experiments on time scale distortion are made with real river model, inflow and outflow boundary condition, and continuous simulation. by means of analysis of the experimental data on model water level, water - surface gradient, cross velocity, outflow discharge process and the sediment transportation capacity, the main physical reasons for the above hydraulic parameters deviations caused by time scale distortion are illustrated : response delay of model channel storage capacity and rate of water level with time

    （ 2 ）採用真實的河工模型和入出流邊界控制條件以及連續模擬的方法進行了有關時間變態率的系列試驗，通過模型水位、比降、流速、出口流量過程線和斷面挾沙力試驗資料的分析，闡明了時間變態引起上述各種水力參數偏離的主要物理原因：模型的槽蓄響應和洪水過程時間變化率的響應滯后。
  8. For the real time performance need of the low speed speech compress algorithm and the asic implement of the transfer process between programs, the design is put forward in the paper, in which state registers control the cross access between operator and memory, register windows are used for the parameters transfer, and the technique of hardware controlling is used to avoid pipeline conflict, so that the main problems of the transfer process in tr600 are solved effectively

    摘要針對低速率語音壓縮演算法對處理器系統實時處理復雜運算的性能要求，就程序調用過程的asic實現問題進行了對比與分析，進而提出了用層次狀態寄存器控制存取運算元對存儲體交叉訪問的方法，並結合運用寄存器窗口傳遞參數的功能，以及利用空指令硬布線處理流水線沖突的方法，有效地解決了tr600晶元中調用過程存在的主要問題。
  9. This thesis also have constructed mathematic model based on the analytic method, which used the load as input and the pressure as output, meanwhile, it have made theoretic analysis of time response. the theoretic analysis was highly agreed with the experimental result

    在對出口節流調速系統液壓缸兩腔壓力隨負載變化的動態特性的理論分析時，用解析法建立了以負載為輸入，壓力為輸出的數學模型，進行時間響應分析，其理論分析結果與試驗結果相吻合。
  10. An experimental apparatus has been set up start from scratch and some experiments have been done to study the heat transfer characteristics of the ice - on - coil tank. the comparison of the theoretical predictions and the experimental data has been made and the disagreements between them are also analyzed

    建立了導熱塑料蓄冰盤管傳熱性能測試裝置，測試了結冰和融冰過程中載冷劑的進出口溫度、流速和結冰或融冰時間的關系，通過實驗結果與理論計算的比較和誤差分析，驗證了建立的數學模型的合理性。
  11. At the same time, figures involving attribute data about flow field at inlet and outlet downstream or wave motion of water at the downflow head of lock chamber of siyang navigation lock were displayed through gis application system which we developed. according to data of baoying navigation lock acquired by mathematics model, figures about velocities which have the same value, velocities toward cross direction which have the same value and flow field at inlet and outlet upstream were formed. achievement data, space information and attribute information were in connection with figure so as to search for and analysis the information, which is satisfying

    同時完成了江蘇泗陽船閘下游引航道非恆定流及其改善措施的計算分析研究和寶應船閘上游引航道口門區水流條件計算分析研究，運用gis技術和所設計的gis應用系統對泗陽船閘下游引航道內流場以及下閘首水位波動情況進行信息顯示，根據對寶應船閘的計算結果生成上游引航道口門區等流速圖、橫向流速等值線圖和流場圖，使計算分析成果數據、空間信息、屬性信息與圖形顯示有機結合，便於查詢分析，效果令人滿意。
  12. The system - controlled iir filter and fft were realized using fpga in this paper, and modified pipeline structure is adopted to greatly raise the running speed in the system - controlled iir filter. in the same time, it is used that the algorithm of n - point complex to compute 2n - point real data block in the radix - 2 fft. it is different to the normal method in the adoption of pipeline single dual ram for each stage

    論文用fpga實現了系統的受控iir濾波器和fft部分，受控濾波器採用改進的流水線結構，運行速度得到了大幅度的提高，同時運用n點復數dft演算法來計算2n點實數數據，在fpga中實現了基2的1024點復數fft ，同一般的實現不同，採用了流水線式的每級單個雙口ram的方法，節省了ram的容量，經驗證，該設計符合濾波器系統的要求。
  13. The calculation formulas for velocity coefficients 2 and 5 for the throat and throat inlet section were deduced from the theoretical research on the velocity coefficients in time - averaged basic equations by use of the unsteady momentum equation and time - averaged value calculation method

    摘要運用非恆定的動量方程和時均值計算方法，對脈沖液體射流泵時均值基本方程中的流速系數進行了理論研究，推導出了喉管和喉管進口段流速系數2和5的計算式。
  14. To analysis combustor structure ’ s contribution to fluxion and combustion explicitly, it is necessary to study the impaction of wave system and fire temperature on chemical reaction and heat release ’ s procedure

    為了細致分析燃燒室結構和流動進口參數對超燃的作用關系，必須細化研究超音速流場的波系結構和燃氣溫度對化學反應放熱過程的影響。
  15. For shutters, the results show : 1 ) according to the formula p =, the theoretical value of is calculated by the effective velocity of the flow, and its engineering value is calculated by the arriving velocity of the flow, the relationship between the theoretical value of and its engineering value is 2 ) the smaller value of declining angle will result in the smaller pressure loss and smaller outlet velocities. as a result, the declining angle of 30 擄 or less is recommended in some places which need small wind velocity, such as broadcasting studio and library, and the declining angle of 45 擄 or less is recommended in places which need big wind velocity, such as cinema and office ; 3 ) the larger value of ratio between the wide of the shutter b and the space between two boards h ( b / h ) will result in the larger pressure loss and smaller outlet velocities. the range of b / h from 0. 8 to 2. 0 and the optimum value 1. 2 is recommended ; 4 ) the range of b from 10 mm to 50 nun and the optimum value 40 mm is recommended ; 5 ) the proper thickness of the boards 8 of the shutters is 1. 5 mm ; 6 ) cuneiform boards should replace the rectangle inlet boards of the shutters in order to obtain better ventilation

    數值模擬採用fluent軟體，計算結果用excel進行處理，通過對大量數值工況進行數值模擬計算，結果表明：對于單側百葉風口，計算表明： 1 ）對于公式p = （ ~ 2 ） 2 ，的理論計算值中定義為流體流經百葉風口內部時的速度，即有效速度，而工程上常使用流體的來流速度來計算，計算表明，的理論計算值與工程應用值的關系為（ _ （理論） ） （ _ （工程） ） = 0 . 813 ； 2 ）當來流速度一定時，擋板傾斜角度越小，壓力損失越小、出口速度越小；因此在要求進口風速比較小的場所，如播音室、圖書館等，宜採用擋板角度30的百葉風口；在要求進口風速比較大的場所，如電影院、辦公室等，百葉擋板的角度應選45 ； 3 ）當來流速度一定時，百葉擋板的擋板寬度b與擋板間距h的比值b h越大，壓力損失越大，出口速度越小，計算表明，鑒于壓力損失、出口風速、板間形成渦流區的大小，百葉擋板的b h值取0 . 8到2 . 0之間， b h = 1 . 2為最佳值； 4 ）當來流速度一定時，在計算的條件下，當百葉擋板寬度b = 40mm時，百葉擋板的阻力系數最小，考慮到渦流區等的影響，建議選用10mm b 50mm的百葉擋板；西安建築科技大學碩士學位論文5 ）百葉擋板的厚度取為1 . sinln為好; 6 ）百葉擋板的入口側可選用具有傾斜度的楔形擋板來代替矩形擋板，利用其較好的導流作用，可得到更好的出流效果。
  16. The interactions between heat flux density, vapor pressure, vapor velocity and the coefficient of heat transfer for condensation in tube, the coefficient of heat transfer in total are investigated. the relationships between heat flux density and the total difference in temperature, the difference of temperature, pressure drop of vapor from the entrance of the tube to the exit are investigated as well

    考察了冷卻水流量、溫度恆定條件下熱流密度、蒸汽壓力、蒸汽流速對冷凝傳熱膜系數及總傳熱系數的影響關系，同時考察了總傳熱溫差、蒸汽進出口溫差及壓差隨熱流密度變化的關系。
  17. The energy consumption analysis and experiment of the two systems, which are pump - control - motor speed governing system with inverter and hydraulic speed governing system with inlet throttle, are given. software direct compensating motor speed loss of open loop pump - control - motor speed governing system with inverter is studied deeply in theory and experiment. the applications of fuzzy control, single neuron control and genetic algorithm in pump - control - motor speed governing system with inverter are studied, and some useful conclusions are obtained

    所進行的主要研究工作如下：對主要參數對變頻泵控馬達調速系統的性能影響進行了時域模擬分析和開環階躍響應實驗研究；對變頻泵控馬達調速系統和進口節流閥控馬達調速系統進行了能耗分析和對比實驗研究；對軟體直接補償開環變頻泵控馬達調速系統的馬達轉速降落進行了理論分析和實驗研究；對變頻泵控馬達調速系統進行了復合補償控制實驗研究；研究了模糊控制、單神經元控制和遺傳演算法在變頻泵控馬達調速系統中的應用，均得到了有益的結論。
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