氣液比 的英文怎麼說

中文拼音 []
氣液比 英文
gas liquid ratio
  • : 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...
  • : 名詞(液體) liquid; fluid; juice
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  1. By comparing the dry plate pressures drop and distributions of velocities simulated on single valve with those of double valves, it was found that there was intense turbulence in the flow fields around fixed - valve, there were eddy areas between valve side orifices and tray wall, there were eddies above the valves too, these led to the complex behaviors of gas perforating valve, these had a great effect on the gas - liquid mass transfer process. at the same time, in order to prevent the disadvantageous effect of gas between one valve with another on the gas - liquid mass transfer, it was very effective to change the fields of gas perforating valve by folding the edges of valve

    通過對數值模擬得出的單閥和雙閥塔板的干板壓降及流場速度分佈分析對后發現,固定閥周圍流場存在較強的湍動,閥側孔與塔板壁面區域以及閥體的上方空間存在明顯的渦流區,使體穿閥后的行為變得復雜,並對傳質過程產生重大影響;模擬結果表明,為防止和削弱固定閥間的對沖造成的「死區」對傳質帶來的不利影響,通過折邊來改變體的路是非常有效的,模擬值與實驗值基本得到吻合。
  2. Influences of air liquid mass flow rate on spray combustion produced by effervescent atomizer

    質量流量泡霧化噴嘴燃燒特性的影響
  3. For same mineral, desorption of 125i " on it was weaker than 125io3 ", and sorption of 125i i25io3 " on galenite is irreversible. apparent diffusion coefficient da of 125i " in the mixed material were determined by the pass - through diffusion way, da values under atmosphere was given : da = 7. 29x10 - 12m2 ? s - 1

    條件下,隨體系固的減小,固相的量相對在下降, 125i -在礦物材料上的kd值減小;隨材料粒度的減小,材料的表面積增加, 125i -在礦物材料上的kd值有所增加。
  4. Abstract : the analysis of the mechanical and pneumatic control systems of scutcher machines is studied in this paper, a hydraulic control system with electro - hydraulic proportional valve to regulate the force imposed on the cotton lap is proposed. it can improve the quality of the lap, simplify system design and reduce cost. therefore, it is a very promising scutcher machine control system

    文摘:在分析了機械式和動成卷機成卷壓力控制系統的基礎上,提出了一種採用電例控制技術的成卷機控制系統.它不僅可以提高成卷質量,而且可以簡化系統設計,降低成本,是一種有希望的成卷機成卷壓力控制系統
  5. The two - phase model ( tpm ) is proved to be available in calculation of jet singlet oxygen generator ( jsog )

    摘要將兩相耦合模型應用於射流式單重態氧發生器,通過數值模擬和實驗的較驗證了該模型的可行性。
  6. There is a growing realization that the only effective way to achieve further reductions in vehicle emissions ? short of a massive shift away from the private automobile ? is to replace conventional diesel fuel and gasoline with cleaner - burning fuels such as compressed natural gas, liquefied petroleum gas, ethanol, or methanol

    人們逐漸認識到,唯一有效的方法來進一步減少車輛尾的排放量? ?除了大規模減少私人汽車? ?替換傳統的柴油和汽油,用燃燒得更加清潔的燃料,如說壓縮天然化石油、乙醇、或者甲醇。
  7. The results show that, comparing with the gas pressure drops calculated by the modified ergun equation, in the cases of the gas reynolds number is small, due to the presence of the dead space, the observed p in the experiments are bigger than that obtained by calculation, and when the gas reynolds number is large, because of the small interfacial viscous drag - force between gas and liquid, the p observed are smaller than that obtained by calculation

    結果表明在相雷諾數較小時,由於停滯孔隙率的存在,實測壓降值修正厄根方程計算的值大;相雷諾數較大時,界面上產生的粘性曳力較小,實測壓降值修正厄根方程計算的值小。
  8. The special area of foam was detected for the compound tray of 20 % free area by ccd camera and computer identification technology of gas and liquid two phase flow in column. with the rectangular plexiglass tower in 200mm x 300mm, and it ' s correlation was obtained. this experiment offered data of special area for establishing mass transfer model of foam

    在200mmx300nun的有機玻璃方塔內,以空水為介質,採用ccd拍攝技術和塔內兩相流計算辨識技術,測定了開孔率為20的復合塔板上泡沫層的接觸表面積,並建立了關聯式。
  9. Firstly, based on the present research all over the world, a 3d quasi - single phase model is built together with k - equations. the special feature of this model is taking account of the influence of interaction between liquid and gas, that is to say, the influence of interphase drag force, lifting force perpendicular to the relative velocity, virtual mass force and gas or liquid volume fraction in the fluid field have been considered. a 3d two - fluid model is also built in order to describe more accurately the fluid flow on distillation trays by comparing the computational results of quasi - single phase mathematical model with of two - fluid mathematical model

    本文在國內外已有的研究基礎上,首先建立了以k - (封閉模型為基礎的三維擬單相流模型,該模型的特點在於充分考慮了兩相間相互作用的影響,即計入了相間曳力、橫向升力、虛擬質量力和相含率對流場的影響;並建立了塔板三維雙流體模型,主要目的是通過對擬單相流數學模型、雙流體數學模型的計算結果,建立能夠準確描述塔板上流體流動的數學模型。
  10. Based on physical simulation and numerical simulation, the conversion of hot water slug flooding with nitrogen foam is presented and some injection indices are optimized, including foam concentration, gas - liquid ratio, injection rate, temperature of water, slug length. from reservoir research and oilfield development, studying disadvantageous factors, the paper will have guilding value for heavy oil reservoir development of leng 43 block

    對熱水+氮泡沫段塞驅的關鍵技術指標,包括泡沫劑濃度、氣液比、注入速度、注水溫度和段塞長度等重要參數進行了優選,提出了注水速度80 100t d 、氣液比1 : 1 、注水溫度95 100 、溶劑濃度0 . 5的推薦方案。
  11. Abstract : the model parameters for uniquac and nrtl equations are obtained by using the infinite dilute activity coefficients of a component at several temperature and the nonlinear regressive technique. the vaporliquid equilibrium ( vle ) data calculated by using the parameters for uniquac or nrtl equation is agreement with that from vle experiment

    文摘:通過一個組分在不同溫度下的無限稀釋活度系數,利用非線性回歸確定了四氫呋喃1 , 4丁二醇、水1 , 4丁二醇二元體系的uniquac 、 nrtl溶模型參數.用所獲得的兩溶模型參數對三元平衡數據進行理論推算,並與實測的三元平衡數據進行較,發現兩結果較吻合
  12. The studies show they are practical and promising functional molecules for opto - electronics. the following works put fc16ab to study physical chemistry properties of its monolayer and lb films with other molecules. the conclusions are as listed below : the surface pressure - molecular area ( - a ) isotherms of fc16ab and hexadecyltrimethylammonium bromide ( ctab ) on aqueous subphases were studied

    結論如下:在純水亞相上,我們通過較十六烷基甲銨鹽( ctab )和fc _ ( 16 ) ab的單分子膜壓力-單分子面積( - a )等溫線,得到二茂鐵片段的在界面的取向隨著膜壓的增加而發生改變。
  13. Test method for vapor - liquid ratio of spark - ignition engine fuels

    火花點火發動機燃料氣液比的試驗方法
  14. The factors that affect the concentration of ozone water, mass transfer efficiency and effective dissolving efficiency such as ozone gas concentration, gas to liquid ratio, system pressure and dissolving methods are discussed

    討論了應用臭氧量、氣液比、系統壓力和溶解方式對臭氧水濃度和臭氧有效溶解效率的影響。
  15. A numerical simulation on liquid - gas two phase leakage dispersion by using two particle turbulent models

    兩種顆粒湍流擴散模型數值模擬兩相流泄漏擴散的
  16. The development of mass transfer in the system of vapor - liquid - liquid three - phase distillation from trays was introduced, the effects of the hydrodynamic conditions e. g. vapor velocity and ratio of liquid to vapor loading and physical properties of liquid phase, including surface tension, interfacial tension, viscosity or dispersion viscosity, density, relative volatility etc. and the volume ratio of oil to water on mass transfer were discussed systematically, the influence of the second liquid on mass transfer efficiency was also investigated, a gnat deal of viewpoints and suggestions having been put forward in this paper are significant important for optimizing design of distillation tower

    摘要介紹了三相精餾塔板傳質性能研究的進展情況,討論了速、等操作條件,表面張力、界面張力、體的粘度或分散粘度、密度和相對揮發度等物系性質以及油水體積等多種參數對傳質效率的影響,探討了第二相的存在對傳質的影響,文中的許多觀點獲和建議對于優化精餾塔的設計具有重要的指導意義。
  17. This kind of enterprise, in terms of its specialization, has strong tendency towards the " planning economy ", the competition inside the enterprise is very weak, the capability to withstand the danger is poor, and the level of technology is comparatively low. with the development of the project " western gas exported to the east ", the implementation of the city cleaning energy engineering during the " tenth - five - year plan " of china and the possible change after the entry of wto. the present equipment and technology cannot satisfy the needs of the society, in which the resource of natural gas is increasing fast, and cannot encounter the competition brought by the change of the country ' s policy

    城市燃企業主要承擔城市燃、煤化石油的輸配和供應管理職能,屬于城市公用事業,這類企業由於其行業的特殊性,計劃經濟的色彩較濃厚,企業核心競爭力不強,抵禦風險的能力較弱,技術水平較低,隨著國家"西東輸"工程的啟動和"十五"期間城市清潔能源工程的實施以及加入wto后政策面可能發生的變化,燃企業現有的裝備技術狀況已無法滿足社會日益增長的對天然資源供應的需求,無法對應國家政策變化而帶來的市場競爭,因此,燃企業通過技術創新和大規模的項目改造,增強企業競爭力和實力已成其為必然趨勢。
  18. ( 3 ) the most principal factors that influence the supersonic atomization process include the flow ratio of the gas - liquid metal ( gmr ) value, the flow of atomizing of gas and the range of the inverse vortex taper. the more of the value of three factors, the more advantage they are for the atomization and the more fine the powders are. ( 4 ) the produced powders are the best in efficient atomization efficiency, particle diameter, particle shape and dispersion when the solder alloy is zhl63a, atomizing medium is n2, the protrusion h = 6. 0mm, atomizing gas pressure p = 100mpa, over - heat temperature t = 167 ( t = 350 )

    研究結果表明: ( 1 )超音速霧化器的體流場在導管下端形成一個倒渦流錐,在二維空間上呈軸對稱的雙峰分佈,負壓形成於這個倒渦流錐內; ( 2 )修正後的霧化體速度公式可以滿足超音速霧化的要求; ( 3 )影響超音速霧化工藝最根本的因素有質量流率( gmr )的大小、霧化體流量和倒渦流錐范圍,三個因素的值越大,對形成細粉越有利; ( 4 )在焊錫合金為zhl63a ,霧化介質微n _ 2 ,導管突出高度取h = 6 . 0mm ,霧化體壓力取p = 1 . 0mpa ,合金過熱度取t = 167 ( t = 350 )時,所制得的粉末在有效霧化率、顆粒球形度、粒度及其離散度三個方面綜合性能最好。
  19. At the same time the number of holes for liquid flowing, gas flowing and blocked to the number of total holes was defined as liquid flowing ratio, gas flowing ratio and blocked ratio. the experiment was made with in - diameter 500mm column using water - air system, the ratio was first delected in detail by multi - path conductivity gauge for the compound tray with free area 20 % and 25 % respectively

    採用多路電導測試儀,在直徑500mm的冷模塔內,以空-水為介質,首次較系統地測量了開孔率為20和25的復合塔板的通、通和阻塞篩孔的數量例,獲得了通率、通率和阻塞率隨變化的基本規律。
  20. For improving the flow manner on the plate, the downcomer apron was modified from straight shape to trapezoidal shape. the hydrodynamics performance of the modified ctst tray, for example, the pressure - drop of dry tray and wet tray, liquid weeping and vapor entrainment etc were measured

    對優化后的塔板流體力學性能進行了測試,分別測量了不同流量下的干板及濕板壓降、霧沫夾帶量和漏量等數據,並與改造前的塔板流體力學性能進行了對
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