進口氣流 的英文怎麼說

中文拼音 [jìnkǒuqìliú]
進口氣流 英文
entrance flow
  • 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） ...
  • 氣 : Ⅰ名詞1 （氣體） gas 2 （空氣） air 3 （氣息） breath 4 （自然界冷熱陰晴等現象） weather 5 （氣味...
  • 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...
  • 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...
  • 氣流 : 1 [氣象學] air current; airflow; wind current; airstream2 [語言學] breath氣流紡紗 open end spinni...
  1. Firstly, simulate flow field of rear smoke channel, plot velocity magnitude and ash concentration distribution in section of entry of heat pipe air preheater, compare with data which were measured in guiyang power station, verify simulation to be reasonable and right. secondly, simulate all kinds of factors which affect flow field ' s uniformity such as length, thickness, location of diffluent board, ash concentration, ash diameter, and so on, find the chiefly factors. thirdly, install guide board in curve channel in rear smoke channel, then simulate its " flow field, plot velocity magnitude and ash concentration distribution

    在此基礎上模擬在冬夏兩季不同情況下，不同流速對熱管空氣預熱器壁面溫度的影響；然後對影響整個流場分佈的各種因素：包括分流板長度、厚度、偏離中心流道位置的偏離度、飛灰濃度、飛灰粒徑等因素進行數值模擬；最後提出在分流煙道轉彎處加裝導流板，並模擬加裝導流板后的流場分佈，得到下級空氣預熱器出口、熱管空氣預熱器進口處的斷面速度場分佈、濃度場分佈，以論證加裝導流板能達到流場均勻化的作用。
  2. A high - pitched woodwind instrument consisting of a slender tube closed at one end with keys and finger holes on the side and an opening near the closed end across which the breath is blown

    由一根一端封閉的纖細管子組成的高音木管樂器，側邊有按鍵和指孔，靠近封閉端有一個使氣流進入的開口。
  3. The air - flow field in the stripping unit can be adjusted easy by changing the rotation speed of fan which is benefit to reduce the grain losses, it was found during experiment that the cross - flow fan can diffuse some of mog ( material other of grain ) and diffuse it in a certain direction which is useful to satisfy the working condition for driver and lighten working load of the threshing unit of the combine harvester candidate and speciality : peng shengmin ; machinary design and theory supervisor : prof. zhang huiyou

    該裝置可以通過控制橫流風機的轉速，使裝置內氣流在有控制的情況下排出裝置外，改善了裝置內流場狀態，提高了裝置喂入口處的負壓，這對減少摘脫裝置的落粒損失，有著重要意義。由於橫流風機的除雜，可以減輕機器的復脫和清選負荷。安裝橫流風機后可以對裝置的出風口處灰塵進行有效導引，改善駕駛員的工作條件。
  4. After the ventilator is started, the dust catcher is under negative state and will absorb air with dust in the ductwork to the case on the dust catcher, then the air current will enter into the upper side of filter bag flowing from upper side to lower part ; most of the dust will come out from the filter bag under function of gravity and inertia and then fall into the lower case ( ash hopper ), then the clean air will enter into the air via ventilator

    當通風機啟動后，除塵器便處于負壓狀態，並將余風管中的含塵空氣吸入到除塵器上箱體內，然後氣流進入濾袋上口自上而下流動，多數粉塵顆粒在重力和慣性力的作用下穿出濾袋下口，沉降至下箱體內（灰斗） ，被濾的凈化氣體經通風機排入大氣中。
  5. Reynolds numbers ( based on average velocity at passage inlet and hydraulic diameter of the passage ) are changing from 20000 to 80000 and the extraction ratios ( suction ratios, sr ) are changing from 0. 30 to 0. 60 for each test model. so the influences of reynolds numbers, suction ratios and etc. on the discharge coefficients and pressure loss characterist ics are also presented. flow fields of typical passages are visualized with the flow visualization techniques and measured with hot - wire anemometer

    對每一種通道結構，實驗在不同通道進口雷諾數（ re = 20000 、 40000 、 60000 、 80000 ）和不同通道總出流比（ sr = 0 . 30 、 0 . 45 、 0 . 60 ）下進行，以研究這兩個流動參數及其它相應變化的參數（氣膜孔的雷諾數re _ h 、氣膜孔與通道的動量比i等）對出流特性和流阻特性的影響規律。
  6. Through the research work of this article, it is shown that cfd technology can efficeintly instruct the design of indoor air distribution and evaluate indoor air quality and ventilating effect ; the distribution of heat sources have great impact on indoor air distribution ; under variable air volume condition, the indoor temperature and velocity fields are quite even and the thermo - environment is relatively good when using diffusers with coanda effect such as square diffuser and slot diffuser to supply air

    經過本文研究發現，利用cfd技術可以有效地對空調室內氣流組織設計進行指導，全面對室內空氣品質和通風效果進行評價。熱源分佈對于空調室內的氣流組織具有極其重大的影響。在變風量條件下，利用具有良好貼附效應的送風口如方型散流器和條縫風口送風，空調室內的溫度場和速度場較均勻，室內的熱環境良好。
  7. Abstract : with numerical simulation method the effect of the airflow pattern created by the exponential inlet on contaminant concentration and thermal comfort in an operating room was investigated

    文摘:就變化風速的送風口所產生的氣流流型對外科手術室內的細菌濃度和人體舒適的影響進行了數值模擬分析。
  8. Low - level windshear and turbulence alerts for the approach and departure areas within 3 nautical miles of the runway thresholds are issued by the amo for relay by air traffic controllers to approaching and departing aircraft

    機場氣象所發出在跑道進口3海里內的機場升降區的低空風切變及湍流警報，由航空交通管制員轉送至正在升降的航機。
  9. In this paper, high heat penetration into a moving particulate bed is described mathematically with a comprehensive heat and mass transfer model. the distribution of gas velocity and pressure, the temperature field of gas and solid in the moving particulate bed are examined for different conditions. the results show that thermal penetration into the moving packed - bed particles by fluid flow in porous media is high only in the position near the gas entrance. the thermal penetration thickness tends to increase with the fluid flow velocity and decrease with the particle moving velocity. in the region of thermal penetration, the porosity of solid bed has significant effect on gas field and pressure loss. it is feasible to reduce the gas pressure loss by a larger width / height packed bed in design and operation. the correspondence between thermal infection depth and particle bed height would be helpful to keep high oapacity of reactor and reduce the cost of operation

    針對移動顆粒床中物料層內的高溫氣體滲流傳熱現象，考慮滲流與傳熱的相互作用，採用局部非熱平衡假設建立了多孔介質滲流傳熱物理數學模型並進行了數值計算.研究了不同情況下床內填充多孔介質中的流速、氣固溫度和床層壓力損失.計算結果表明，高溫熱氣對移動床顆粒料層的熱滲透主要發生在滲流入口端區域，增大入口滲流速度以及減小床層物料下移速度將導致物料溫度沿床高慢速下降，熱滲透深度擴大，熱滲透作用區域內的物料溫度水平提高.在熱滲透作用區域，孔隙率對流場和壓力損失有很大的影響.研究結果對于移動顆粒床反應器的設計與運行具有一定的參考作用
  10. In this article, simulations of air distribution in the vav air - conditioned office are carried out in the cases of different air - supplying diffusers including slot diffuser, sqaure grille, bar grille and square diffuser to supply air, the standard three - dimensional k - ? two - equation turbulence model with correctional item of buoyancy effect and simple algorithm are adopted, and wall function method is used to handle boundary conditions

    本文採用經過浮升力項修正的-兩方程模型和simple演算法，應用壁面函數法處理邊界條件，對利用包括條縫風口、方型百葉風口、長條型百葉風口和方型散流器不同型式送風口送風的變風量空調房間內的氣流組織進行了模擬。
  11. Based on the analysis of regime of spray and heat transfer, the spray nozzles were redesigned to distribute liquid in the center area of th e tower and the gas inlet was enlarged to raise gas velocity

    根據對順流式空塔的噴淋及傳熱模式的分析，重新設計了噴嘴，使噴淋液在設備中心附近集中；縮小了進氣管直徑，以提高進口氣體的流速。
  12. In arbitrary curvilinear coordinates, the wall function is used for treating near wall regions. the influences of two different inlet gas parameter distributions and turbulent combustion models, as well as three different afterburners on turbulent combustion flow fields and wall temperature profiles are calculated. comparisons of experiment results and calculations results show that second - moment combustion model is reasonable for modeling turbulent reacting flows, inlet gas parameter distributions is more important. calculation method is reliable and can be used for the optimum design of afterburner

    數值研究三種不同幾何形狀、兩種進口氣流參數分佈、兩種紊流燃燒模型等對加力室內各氣流參數、隔熱屏和加力室筒體壁面溫度分佈的影響，計算結果與試驗數據比較表明:不同幾何形狀加力室對加力室內紊流燃燒流場的影響要比進口氣流參數分佈大些，正確給定進口氣流參數分佈較為重要，二階矩紊流燃燒模型更適用摸擬三維紊流燃燒流動，計算方法合理，編制的計算程序可靠，可供加力燃燒室優化設計用。
  13. With fluid dynamic derived from marine mammals and subtle character lines stretching down the body ; the powerful imposing view of our canopy in flight is simply stunning

    為了營造出古代羅馬戰神盔甲的雄壯氣勢，極度誇張霸氣進氣口的設計，搭配腮狀進氣側孔，飛行時氣流直達動力核心，增強熱能疏散。
  14. For shelters, the results show : 1 ) to reduce the raining drops entering into the inlet and to decrease the influence of the vortex, the declining angle of 45 is recommended for the shelters ; 2 ) it is better to choose those shelters which are longer 100 mm ~ 200 mm than the height of the inlets, as they may protect the room from rain

    對于單側百葉風口的擋雨板，計算表明: 1 ）為了防止雨水隨空氣流入自然進風口，並且使風口盡量少受渦流區的影響，建議選用傾斜角度為45 「的擋雨板; 2 ）建議選用長度比風口高度長100mm - - 200 「的擋雨板，可以較好的避免擋雨板過短將雨水帶入室內和過長影響風口進風的情況。
  15. The article analyses the influence to the generator electrode temperature from different inlet angle and inlet total pressure and the compressive angle of fluid in the situational process

    本文在對等離子發生器內部純空氣流場的模擬過程中，分析了不同進口氣流角、不同進口總壓以及不同氣流壓縮角對發生器電極壁面溫度的影響。
  16. With water ingestion, the performance of fan / compressor is different from true air flow. the design and off - design point performance are discussed in details in this paper, which indicates that the effects of air - water mixture flow or other arbitrary multi - phases flows should be taken into account for fan / compressor design

    文中所使用的方法還可以用來計算進口氣流為水蒸汽、甲烷、水或者其它任意已知密度的液相或者上述的多相混合物時的多級軸流風扇壓氣機的特性。
  17. Constant intake conditions

    進口氣流常參數
  18. On basis of the modeling results, the effects of mach number, attack angle and ramp angle on the inlet performance are analyzed

    根據此數學模型，分析了攻角和進口氣流馬赫數對進氣道性能的影響，同時給出了斜板對進氣道性能的影響。
  19. To meet the needs for wider surge margin of the turbofan engine, a new model was developed to predict the characteristics of the fan / high pressure compressor and turbine in this thesis. several ways, including, variable inlet guide vanes of the fan, variable guide vanes of the high pressure compressor, the variable inlet area ratio of the mixer and the nozzle areas, were presented to enlarge the surge margin of the turbofan engine. meanwhile, a method of combined variable geometries for optimizing controls of inlet guide vanes of the fan, guide vanes and the first two stators of high pressure compressor, area ratio of mixer and noz zle areas was established

    為了滿足下一代作戰飛機對推進系統的性能和穩定性要求，本文建立了壓縮系統特性和渦輪特性的新模型，並分別採用改變渦扇發動機風扇進口導流葉片、壓氣機導流葉片和前兩級靜葉片、混合室進口處內、外涵面積比和尾噴管面積，研究了其對發動機性能和穩定性的影響，進而得出了渦扇發動機變幾何擴穩的方法，為發動機變幾何擴穩研究打下理論基礎。
  20. Air inlet guide vane assembly

    空氣進口導流葉片裝置
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