渦流室 的英文怎麼說

中文拼音 [guōliúshì]
渦流室 英文
swirl chamber
  • : 渦名詞1. (漩渦) eddy; whirlpool; vortex 2. (酒窩) dimple
  • : 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...
  1. Effects of cetane number improver on emissions of swirl chamber diesel engine

    十六烷值改進劑對渦流室柴油機排放特性的影響
  2. Hsc high swirl combustion engine

    燃燒發動機
  3. Fuel injection nozzle used on small bore diesel engine with swirl combustion chamber

    小缸徑渦流室柴油機用噴油嘴的研究
  4. 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入自然進風口,並且使風口盡量少受區的影響,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內和過長影響風口進風的情況。
  5. Analysis of 3d eddy current field in cup - type axial magnetic field vacuum interrupter

    杯狀縱磁真空滅弧三維場模擬
  6. Based on prandtl ' s momentum transportation, this paper calculates in detail the physical quantities such as eddy viscosities, and ratio of eddy viscosity to motion viscosity, total stresses with respect to relative position in three regions of viscous sub - layer, buffer layer, and main turbulent stream for non - newtonian fluid flowing turbulently in ducts, which according to karman ' s three layer models and measurement of fluid parameters in evaluation apparatus, discusses the influence of polymer drag reduction on flowing properties of non - newton fluid, analyzes quantitatively principle of turbulent reduction phenomenon and condition of increasing reduction rate

    摘要以普蘭德動量傳遞理論為基礎,按照卡門的三層模型,通過內模擬環道用0號柴油及加入減阻劑在圓管內的動參數的測定,計算了非牛頓型體管內湍邊界層的層內層、過渡層、湍中心的粘度,粘度與運動粘度比、總應力隨相對位置的變化等定量參數,探討了高分子減阻劑對非牛頓動特性的影響,對湍減阻現象的機理與增大減阻率的條件進行了定量分析。
  7. Based on the combustion model, the intermediate combustion products, the rate of the heat release in the swirl chamber, the engine ' s transient pressure and temperature are traced in details during the calculation

    在此模型基礎上,對發動機缸內燃燒的中間產物、渦流室的放熱率、缸內瞬時壓力和溫度進行了分析。
  8. Three - dimensional numerical simulation of the spray process in swirl chamber with a hybrid breakup model

    利用混合破碎模型對渦流室內噴霧過程的三維數值模擬
  9. As a simple device without moving parts, vortex tube is composed of nozzle, vortex chamber, separating plate, control valve, hot - end and cold - end

    管是一種結構極為簡單的製冷裝置,它由噴嘴、渦流室、分離孔板、熱閥以及冷熱兩端管組成。
  10. 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經百葉風口內部時的速度,即有效速度,而工程上常使用體的來速度來計算,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、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、辦公等,百葉擋板的角度應選45 ; 3 )當來速度一定時,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,利用其較好的導作用,可得到更好的出效果。
  11. In this paper, a calculation method of combustion heat release rate for the swirl chamber coal - bed gas engine is concerned. it can be a useful tool on analyzing the combustion processes for this type engine

    另外,本文開發了一個渦流室式火花點火煤層氣發動機放熱率計算軟體,為分析這類發動機缸內燃燒過程提供一個有效的工具。
  12. Tests have been carried on a swirl - chamber diesel engine fueled with diesel oil - methanol - water composite fuels. the effects of using different diesel oil - methanol - water composite fuels are shown. angles of injection and proportion of water in methanol which have influence on the effect of using diesel oil - methanol - water composite fuels are investigated

    渦流室式柴油機上進行了燃用柴油-甲醇-水三元乳化液的試驗研究,得出了各種柴油-甲醇-水三元乳化燃料的使用效果,並探討了供油角、甲醇中的含水量對發動機性能的影響。
  13. Investigation on noise during non - steady working condition of a small swirl chamber diesel engine

    小缸徑渦流室柴油機非穩態工況噪聲研究
  14. A simulation of the generation of the nox has been done on the base of the novel model of the combustion theory of the swirl chamber, which has been established in this paper

    在理論上,建立了新的渦流室式lpg柴油雙燃料發動機燃燒的準維燃燒模型,在此模型下,對no _ x的生成機理做了計算機模擬模擬,並與試驗結果進行了比較和分析。
  15. With the pressure measurement system for the swirl chamber diesel engine, by using the methods of equivalent power and the seven point three degree average for the indicator diagram, we can correct the tdc, smooth the pressure curve and make more accurate pressure data that is a well basis for the calculation of combustion heat release rate

    摘要本文在自行開發的渦流室柴油機壓力數據測錄系統的基礎上,利用等效功法和七點三次加權移動平均法,分別對示功圖進行了上止點校正和壓力曲線光順,使壓力數據更精確,為燃燒放熱率的計算打下了良好的基礎。
  16. Swirl - chamber diesel engine

    渦流室柴油機
  17. The whirl chamber combustion system should become the main trend of small cylinder bore diesel engine for farm machinery

    渦流室燃燒系統應成為我國小缸徑農用柴油機主
  18. Research on the vertical fairness and progressien of health financing

    改善渦流室柴油機供油系統和利用廢氣再循環降低排放研究
  19. Until now, there are no such reports on it of multi - cylinder di diesel engine in our country

    根據所掌握的資料,國外只是在渦流室式柴油機上進行過試驗。
  20. The result of the simulation showed the novel combustion model had reflected the practical working process very well

    模擬模擬的結果表明:新的渦流室式雙燃料準維燃燒模型能較好的反映缸內的實際工作過程。
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