排流速度 的英文怎麼說

中文拼音 [bèiliú]
排流速度 英文
outflow velocity
  • : 排構詞成分。
  • : 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...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. Since cordite burns at a greater rate at a higher pressure a relief valve must be used to allow generated gas to escape to atmosphere at times when the demand is low.

    因為柯達火藥在較高的壓力下以較高的燃燒,所以必須使用一個溢閥,以便當用氣少時,能讓所產生的部分氣體到大氣中去。
  2. The amount or rate of emission or ejection

    放量量、,或出量,出的
  3. As the world economy goes to reginonalization, collectivization, the district economy is be coming more and more important in the world economy. the members of all the district economy organization make the inner - reginal trade, the movement of elements, the speed of economy increasing constantly because of the advantages of arens, resources and mutual supplements of economy structures, meantime, the members, who is not in the exclusivism andtrade protectionism, so china must make strong economic relationship between the countries ane areas nearby in order to develop the economy stably and taking eonomic cooperation and join the system of inter - reginal economy cooperation

    隨著世界經濟呈現出區域化、集團化的趨勢,區域經濟圈在世界經濟中所佔的地位也在逐步提高,各區域經濟組織成員由於地緣、資源優勢、經濟結構互補等原因,使得區域內部的貿易、要素動、經濟增長不斷增加,同時,對于區域經濟組織外的非成員則不可避免地造成外主義及貿易保護主義。所以,對中國而言,為促進經濟的持續穩定增長,就必須加強與周邊國家及地區之間的經濟往來,同時要進行全方位、多層次的區域性經濟合作,進而參與到國際區域經濟合作的體系中。
  4. 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式豎井泄洪洞應用於高水頭、大泄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、結合小灣工程導洞改建,對高水頭( 252m ) 、大泄量( 1400m ~ 3 s )條件下旋式豎井中的水運動特徵進行了比較全面的測量,包括空腔形態、徑向分佈及井壁壓強等;二、提出了豎井空腔段螺旋水水力計算方法,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,發現消力井合理深為0 . 9d左右;五、通過試驗研究,歸納出豎井水總摻氣量估算方法,為導氣方案的設計提供了參考依據;六、在高水頭、大量條件下,豎井空腔段下部很高,盡管水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。
  5. Results show that the influence of mainstream reynolds numbers on heat transfer coefficience is little and the heat transfer coefficience raise with the increase of reynolds numbers. the influence of the position of holes on heat transfer coefficience is complex and correlate with the mainstream speed and the balde surface curvature. and the influence of blowing ratio on heat transfer coefficience is more great ( especially to stator ), and show a complex relation to mainstream reynolds number and the position of holes

    實驗結果表明,不同孔位出的換熱由於孔下游表面來及葉片表面曲率的不同而有不同的規律,而主雷諾數對葉片表面特別是壓力面和前緣區域的換熱系數比的影響較小,吹風比對換熱系數影響較大(特別是導葉) ,並且隨氣膜孔位置和來雷諾數的變化而情況復雜。
  6. Adsense offers a contextual advertising solution to web publishers delivers text - based google adwords ads that are relevant to site content pages

    如果您覺得觀看本站視頻節目不夠暢,在除了本地網路問題之後,問題仍得不到解決。
  7. By means of processing of testing data, we got high frequency tomography velocity imaging and very high frequency stacking imaging of reflects. we use crosswell tomography imaging and reflect imaging compares with sound wave, density logging and lithology analysis to complete the interpretation of crosswell seismic data result

    具體內容包括原始資料編輯和井口列規格化、初至拾取、估算模型、 vsp - cdp成像、 p波二維層析成像和p - p波反射剖面疊加等,論文中給出了詳細的處理程。
  8. Principal conclusions were drawn as the following : the non compatibility of pressure or velocity of the gas on both sides of the contact surface is the cause of the formation of shock wave ; the heating effect of reflective shock wave to driving gas during charging or exhausting process is the internal mechanism of peak oscillating effect, and all the factors that influence the formation and the running of the shock wave will influence the peak oscillating frequency, cooling effect

    主要結論如下:熱分離機內激波形成的原因是射氣瞬間接觸面兩側壓力和不相容;峰值振蕩效應的內在機制為反射激波對充氣階段的驅動氣或低溫氣的加熱,凡是影響激波形成及運動的因素都將對峰值振蕩頻率、冷效應及熱效應產生影響;當充、氣時間比為0 . 1763時,最佳射激勵頻率出現在高階峰值振蕩頻率上。
  9. The flow characteristics, distributions of current density and chemical components, and the performance of these two different designs are calculated and compared. the flow and mass transport characteristics are analyzed in detail, which indicate that strong forced convection is produced in the interdigitated flow field, which consist of dead - end gas channel that force the gases through the porous electrodes. results of comparison show that forced convection induced by the interdigitated flow field in the diffusion layer effectively enhances mass transport of reactants and products, thus leading to a higher cell performance and the limiting current density

    在傳統道設計的pemfc中,反應物從道到催化層的供應和生成物從催化層到道的出主要是以擴散為主,而在交叉梳狀道設計中,以動帶動的對傳遞則占據了主導地位,而且這種以對為主的傳遞機理大大提高了反應物和產物傳遞率,從而有效地改善了電池的極限電和極化性能等特性。
  10. The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade

    葉片內部通道冷卻是一個復雜的對?導熱耦合傳熱問題,本文在分析葉片內部通道冷卻的動與傳熱情況的基礎上,建立了三維、可壓縮紊的物理模型,得到了通用的求解辦法;利用不帶擾片的矩形直通道、帶順片矩形直通道、帶叉片、帶傾斜擾片的矩形直通道的幾何模型,計算了冷卻空氣通過這幾種通道時的動與換熱情況,得到了各種不同情況下計算區域的溫場、壓力場、場;在此基礎上分析了不同的通道高、不同的葉片通道材質對葉片內部通道冷卻的影響,並整理得到了各種通道形式下,努謝爾數和阻力因子與雷諾數的函數關系;本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾片的內部冷卻通道的強化傳熱效果,通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較,表明了這種新型鮚構的優勢,對于葉片內部通道冷卻結構的設計可以起到指導的作用。
  11. It will change the hydraulic conditions of the river, such as widening the water surface, decreasing water - flow velocity and purification capacity of water body in reservoir area meanwhile, many problem will be encountered, such as a large quantities of pollution in cities and towns, harmful matters in pesticide and fertilizer in reservoir area, poisonous pollutants in rainfall, accidental discharge of municipal wastewater or industrial sewage, limits of low economic level and urbanization etc.

    該水域的水力學條件發生變化,水減緩,岸邊污染帶加寬,水體的環境容量降低;三峽庫區城鎮污水處理廠和廠礦的有害廢水處理設施不可避免地會發生事故放;成庫期內庫區城鎮污水的治理很難達到水質要求,以及三峽庫區目前較低的經濟和城鎮化水平制約,庫區城鎮供水面臨的水環境問題日漸突出。
  12. Although the flux per revolution of the optimized pumps is a little smaller than that of tatsuno combined pumps, other characteristics, such as fluctuation rate, maximum pressure angle and velocity fluctuation rate etc, are much better. the methods to cut gears are proposed in the theory for the practical produce in the future

    雖然,在體積相等的條件下,優化出來的外圓弧包絡線內嚙合齒輪泵的量略小於tatsuno組合泵的量,但其它性能(如:量脈動率、最大壓力角、波動量)都更優。
  13. The relationship of stable price, sustainable economical increase and sufficient employment, balance of the international income and payment must be intention

    再次,在貨幣供給理論中斥了貨幣對貨幣供給量的影響。
  14. This research is to eject some compressed air into the dredging pipe to get tri - phase flow in the pipeline, and research the change about the pipe resistance, at the same time, obtain the more effect adding gas method and realize reduction friction and prolong the dredging distance

    本文研究的目的是在一定的漿體和漿體濃下向輸送管道中加入一定量的氣體,在管道中形成三相,進而探討加氣后管道動的變化規律,同時確定出比較有效的加氣方案,從而實現減少阻力延長距的目的。
  15. To ascertain how to produce differential pressure reasonably during the course of high temperature and pressure gas well testing, we must consider synthetically the following situations : both liquid in well bore and solid phase particles of mud in strata can be carried out through airflow ; we must avoid sand production out of borehole walls and make the selected differential pressure meet the demands of the testing instrument capability ; the calculation of differential pressure when no sand comes out of strata covers the calculation of strength of rock of borehole walls and airflow velocity, etc

    摘要高溫高壓氣井測試中合理生產壓差的確定需要綜合考慮使氣能夠在井筒中攜液、返侵入地層中的泥漿固相顆粒、避免井壁出砂、滿足測試工具性能要求等;地層不出砂壓差計算還涉及到井壁巖石的強計算、氣計算等。
  16. The dehydration time is square of the droplets diameter so the small diameters of the droplets can cut down the drying time then reduce the height of the drying chamber. to the combined spin - flow pressure spray drying, the diameters of droplets are small and the dehydration rate is higher so keeping the qualities of the dried products we can increase the speed of the inlet wind and reduce the temperature of the outlet wind thus can improve the evaporation intensity of the drying chamber and the average energy utilization of the drying equipment

    因霧滴的脫水時間與其直徑的平方成正比,減小液滴直徑有利於縮短乾燥脫水時間,可有效降低乾燥塔的高;由於旋式組合壓力噴嘴霧化滴徑的減小,脫水明顯加快,在不影響乾燥物料性質的前提下,適當提高進風溫,同時有效地降低氣溫,有利於提高幹燥塔的蒸發強,也有利於提高幹燥設備的平均能源利用率。
  17. It tell us : the abrasive capability of fly ash ; the similar calculation of ash erosion ; the calculation of ash erosion in the tube in turn and tube out of turn ; the reason of tube abrasion for gas flue ; the influence of air parameter for fly ash erosion ; the influence of changing temperature ; the influence of the flue gas composition, etc. next, it advances the solving measure ; reduce the flue gas velocity ; reduce the concentration of fly ash ; responsible construction : replace smooth tube with spiral tube ; use the new material of abrasion ; fuel desulfurization ; reduce so3 of flue gas ; raise flue gas temperature, making it up the dew point ; use the abrasion - resistance material to resist abrasion

    討論了飛灰磨損性能、管壁受飛灰沖蝕的近似計算、灰粒對順列管和錯列管的磨損計算、煙氣走廊引起對管束的磨損機理、空氣動力參數對飛灰沖蝕的影響以及受熱面壁溫變化及煙氣成份對飛灰磨損的影響等問題。接著提出了解決的措施:降低平均煙氣;降低飛灰濃;使用鰭片管、螺旋翅片管代替光管;選擇合適的結構及列方式,減少煙氣中so3的含量;提高受熱面壁溫使之大於煙氣的露點溫;採用抗腐蝕材料作受熱面等防腐蝕的措施。
  18. Computer fluid dynamics ( cfd ) is adopted to simulate the flow fields of catalytic converter while researching the working process of emission postprocessor. the velocity field and pressure field of exhaust gas are obtained. methods of structural optimization of catalytic converter for improving gas flow and conversion efficiency are proposed

    本文在汽車氣后處理裝置工作過程研究方面,運用計算體動力學軟體,對催化轉化裝置氣場開展了模擬,得出了氣體場和壓力場的分佈情況,提出了以改善氣體動和催化轉化效率的催化轉化裝置結構優化的方案。
  19. A permutated implicit enumeration for the linear 0 - 1 programming model is proposed according to the generic model in this thesis, which utilizes the relationship between the objective functions, permutes the constrained solutions so as to search the optimum solution in the aggregate of minimums and accelerate the convergence speed

    針對多機場的非實時量管理的模型,提出了基於序的隱枚舉法,它利用目標函數值大小的相對關系,對約束條件解進行序,在最小解集中尋找最優解,以加快收斂
  20. Dilution and dispersion in constant horizontal flow and bottom multi - port discharging was studied in accordance with the hydraulic model test. the influence of diffusion parameters ( jet angle, jet velocity, number of nozzle, riser space ) and environmental parameters ( water depth, water velocity ) on dilution were analyzed. the experimental results show that environmental parameters have prominent effects on wastewater dilution and dispersion, in addition to that, diffuser design parameters have significant influence on wastewater dilution and dispersion. for bailonggang outfall zone, jet angel is 10 or so, nozzle number is 16 or so

    藉助於人工模型試驗,分析了恆定橫底部多孔放時擴散器設計參數(射、射、噴口個數) 、上升管間距)及環境參數(環境水深、環境)對污水近區稀釋擴散效果的影響,實驗結果表明,除了環境條件對污水稀釋擴散效果影響明顯之外,擴散器設計參數對污水的近區稀釋擴散也有顯著的影響,針對白龍港放口水域,噴口射宜控制在10左右,噴口個數取16個
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