排氣流量 的英文怎麼說

中文拼音 [bèiqìliúliáng]
排氣流量 英文
exhaust gas flow
  • 排 : 排構詞成分。
  • 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...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 排氣 : [機械工程] exhaust; aerofluxus; air out; exit gas; ventilate; atmosphere; vent排氣泵 exhaust pump...
  • 流量 : rate of flow; flow; runoff; discharge; throughput; （flow） rate; quantity （of flow）; flux
  1. Brings forward the basic network cell model of symmetrical blast vault and asymmetric blast vault. then studies and analyses airflow in vault of main voltage switchyard hall of xiluodu hydropower station which is far cry and large numbers of airflow conflux, brings forward concept of “ virtual embranchment ” and corresponding basic network cell model, regresses calculate expressions of flux uniformity coefficient and impedance of “ virtual embranchment ” of vault of main voltage switchyard hall of xiluodu hydropower station

    而後又採用cfd數值模擬的方法對溪洛渡水電站主變洞排風拱頂這種多股氣流匯流的長距離通道內的氣流流動進行了分析，提出了「虛擬分支」的概念和相應的網路基元模型，並回歸得到了溪洛渡水電站主變洞排風拱頂各個排風「虛擬分支」風量均勻系數以及阻抗的計算公式。
  2. The extruders drived by d. c motor with a thyristro to stepless regulate. it also equipped with the over - load prtection and stoppage alsrmingsystem. the screws core and the outside of barrels are cooled by the circulation of oil, ther fuctions include vacuum venting and forced feeding

    本機採用直流電機，可近期硅無級調速，沒有過載保護和故障報警、螺桿芯部油循環恆溫、機筒油冷卻，並裝有真空排氣管裝置和定量喂料裝置。
  3. 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。
  4. The control and mitigation measures cover mechanical ventilation, filtration, differential pressure control, directional airflow control, local exhaust ventilation, and ultraviolet germicidal irradiation ( uvgi ) disinfection

    控制和降低污染物的方法有控制機械通風的量，過濾法，控制壓力差，控制氣流方向，增加局部排器裝置及利用紫外殺菌光來消毒。
  5. Abstract : the effect of stabilizing pressure of a stable pressure box with damping line of the air flow is studied in order to measure the pulsate flow ability of air at the intake and exhaust pipes of engine

    文摘:為了測量發動機進、排氣管內氣流的脈動流動特性，對自行設計的對氣流起穩壓作用的阻尼穩壓箱進行了研究。
  6. Takes several energy saving measures for air conditioning system, nick a large capacity centrifugal chillers working with variable frequency nil capacity chillers, variable frequency and variable flow control on secondary pump water systems, cooling tower for four - pipe water system in winter, fan - coil unit for commercial peripheral zones aid all - air systems for interior zones, variable frequency control on supply and exhaust air fain, enthalpy control on fresh air cooling in winter and intermediate season

    採用了多項空調節能措施：大冷量離心冷水機組搭配變頻小冷量機組，二次泵變頻變流量空調水系統，四管制風機盤管冬季用冷卻塔換冷供冷設計，商業外區風機盤管、內區全空氣空調系統，送風機、排風機變頻控制，過渡季、冬季利用室外新風通風降溫的焓值控制設計。
  7. Thereby this paper puts forward four ways to reduce no, emissions : reduction of the highest combustion temperature, fuel emulsification, exhaust gas recirculation and selective catalytic reduction. according to the marpol convention, no, emissions are defined as per engine power of nox mass flow rate

    Marpol公約附則規定的no _ x的排放標準為柴油機單位制動功率排氣中no _ x的質量流量（單位： g kw ? h ） ，因此要想對被測試的柴油機的no _ x排放進行判定，必須得到排氣中no _ x的質量流量和柴油機的制動功率。
  8. Measurement of intake air or exhaust gas flow of diesel engines

    柴油機進排氣流量的測量
  9. Taking the method of pressing - off inlet valve in partial stroke as the theory foundation, a new stepless capacity control system is developed

    本文以部分行程頂開吸氣閥進行排氣量調節為理論基礎，研製開發了一種新型氣量無級調節系統，其核心部件為可調迴流氣閥。
  10. In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow, rotating speed and blade row spacing, plus inlet flow distortion, and considering aerodynamic characteristics and stability of the compressor, the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies. a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip, middle and hub section, then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data

    為探討軸流壓氣機在工作流量、工作轉速及動?靜葉排軸向間距變化時的葉片排流場非定常頻譜特性變化規律，並耦合進氣畸變的影響，同時與壓氣機氣動性能和氣動穩定性相關聯，作者利用南京航空航天大學能源與動力學院的低速大尺寸軸流壓氣機（ lsc ）試驗器，採取在靜子葉片表面埋入動態壓力傳感器的實驗方法，對葉尖、葉中和葉根三個截面的動態壓力進行了測量，獲得了大量的可靠的實驗數據。
  11. Air suction mode spinning unit has wide application, strong impurities discharge and good quality of yarn, easy maintainance

    1抽氣式氣流紡紗機，敞開式紡紗器設計，具有排雜效果好，成紗質量優良的特點，便於維護保養。
  12. Touch on developing large - flow and high - pressure ratio impressor and large - enthalpy drop turbine, reducing harmful emission, solving the major problems of high - temperature blade material, cooling, protective coating and single - grain blade casting, and comfirm some important manufacturing techniques

    涉及了開發大流量高壓比壓氣機、大焓降渦輪，降低有害排放量，解決高溫葉片的材料、冷卻、保護塗層及單晶葉片鑄造等主要問題，並確認了一些關鍵的製造技術。
  13. Abstract : various measurement methods of the capacity of gas discharge forpiston type compressor are analized and compared. the orifice choke device that is suitable for measurement in site is recommended emphatically. in combination with the example of measurement in site, the matters needing attention of measurement in site on the capacity of gas discharge for compressor are point out

    文摘:對活塞式壓縮機排氣量的各種測量方法進行了分析比較，著重介紹了比較適合於現場測量的孔板節流裝置，並結合現場測量實例指出了壓縮機排氣量現場測量應注意的問題。
  14. There is no air inside so as to quickly transpire the heat and bear the bigger carrent

    且無空氣隔層，能將導電排所產生的熱量迅速散發，載流量大。
  15. At the same time, when the thickness - diameter ratio was larger than 1, it has little influence on the discharge coefficient for the hole configuration, but when the thickness - diameter ratio was less than 1, the discharge coefficient of the hole with across arrangement is higher than that with sequence arrangement

    同時，在氣膜孔厚徑比大於1時，氣膜孔的排列形式對流量系數的影響不大，當厚徑比小於1時，叉排氣膜孔的流量系數要高於順排氣膜孔的流量系數。
  16. Heavy duty engines - measurement of gaseous emissions from raw exhaust gas and of particulate emissions using partial flow dilution systems under transient test conditions

    重型機車.未處理排氣的氣體排放測量和瞬變試驗條件下用部分流體稀釋系統測量粒子排放
  17. The relations between the parameters of gas charging and exhausting, heat quantity through the shell of tube ( q ), the length of the tube ( l ), the ratio of gas charging time to gas exhausting time ( ), the frequency of the jet flow ( f ), the ratio of the expansion ( ), the nature of thermal separator and the unsteady flow in the tube were established

    建立了進、排氣參數、管壁散熱量（ q ） 、管長（ l ） 、充、排氣時間比（ ） 、射流頻率（ f ） 、膨脹比（ ）等參數與熱分離機性能及管內非定常流動的關系，並分析了有關因素對熱分離機性能的影響。
  18. The only method to get nox mass flow rate is to know nox concentration in the exhaust and the exhaust mass flow rate. this paper discusses the computational method to get exhaust mass flow rate by carbon / oxygen balance method. besides the traditional computational method, this paper also demonstrates the possibility of applying bp neural network to predict no, emissions from marine diesel engines

    由於大功率船用柴油機本身所固有的體積大、排氣流量大以及測量困難等特點，使得排氣中no _ x的質量流量不能直接測量，而只能通過測量no _ x的體積濃度並確定排氣質量流量或體積流量，才能推算出排氣中no _ x的質量流量。
  19. This paper was detailed to introduce the measurement of main exhaust composition from marine diesel engine. at the same time, this paper discusses the computational method to get exhaust mass flow rate by carbon balance method and carbon / oxygen balance method

    本文詳細介紹了船用柴油機排氣中各主要成分的測量方法，同時討論了用碳平衡和碳氧平衡法計算排氣質量流量的過程並編寫了相關的計算程序。
  20. But the nox mass flow rate ca n ' t measure directly, the only method to get nox mass flow rate is to know nox concentration in the exhaust and the exhaust mass flow rate, then indirectly obtain the rate by calculation

    而柴油機排氣中nox的質量流量不能直接測量，只能通過測量nox的體積濃度並確定排氣質量流量或體積流量，才能推算出排氣中nox的質量流量。
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