換氣過程 的英文怎麼說
中文拼音 [huànqìguòchéng]
換氣過程
英文
gas exchange process- 換 : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
- 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...
- 過 : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
- 程 : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
- 換氣 : 1 (屏氣后再次呼吸) take a breath (in swimming); aeration2 (通風) change of air換氣風扇 scav...
- 過程 : process; procedure; transversion; plication; course
-
As to the work about theory analysis, at first, the paper describes the atomizing and humidifying process of the centrifugal nozzle with firing pin type, high pressure and little aperture and liquid physical properties. later, combining with the structure characters of this kind of nozzle, the paper studies on the theory of the atomizing and humidifying process by three phases, which is water film forming phase, water film falling into pieces phase, and heat and mass transfer between water and air phase in turn
理論工作方面,首先描述了撞針型高壓小孔徑離心式噴嘴的霧化加濕過程和液體的物理性質,然後結合撞針型高壓小孔徑離心式噴嘴的結構特點,將其霧化加濕過程分三個階段進行機理上的研究,這三個階段依次為液膜形成、液膜初次破碎及二次霧化、水與空氣的熱濕交換。The paper has founded the model of laser transmission in launch process and the movement model of laser - powered vehicle, and has analyzed the influence on performance of launch system, which was raised by some factors, for instance, the performance of thruster, the attenuation in transmission, the height of mode - transform, the laser power, the air drag force, the launch height, and so on
本文研究了激光推進微小衛星發射系統的概念和性能。建立了發射過程激光傳輸和激光推進運載器運動模型,分析了推進系統性能、大氣傳輸衰減、模式轉換高度、激光器功率、大氣飛行阻力、發射點高度等因素對發射系統性能的影響。And experimental study on the heat transfer performance and pressure drop characteristic of the process of bubbling evaporative cooling are carried. as there are so little attention and studies on the process bubbling evaporative cooling about heat transfer in the world at present, this paper mainly deals with the effects of the different bare tower velocity, weir height, heat flux density and plate perforation geometries on the heat transfer coefficient and the pressure drop of the process of air flowing
由於目前國內外對鼓泡蒸發冷卻過程在換熱方面的關注和研究較少,本文對不同空塔速度、不同堰高、不同熱流密度、多孔板的不同幾何尺寸對換熱系數及空氣流動過程阻力的影響進行了實驗研究及理論分析,總結了本實驗條件下換熱及阻力的實驗關聯式。As to the simulation, three - dimensional n - s equations and two - phase flow model, in which the liquid toluene spray as discrete particles was considered, were employed to describe the turbulent combustion processes in the combustion chamber. the mass and energy transfer between the two phases were calculated by the droplet evaporation model, and the arrehnius model was used to obtain the gas chemical reaction rate. the details of 3d flow field, the distributions of temperature and compounds were obtained by solving the equations
數值模擬方面,應用三維湍流n - s方程以及顆粒軌道模型描述了激光器燃燒室內部的噴霧兩相燃燒流動過程,兩相之間的質量、能量交換由液滴蒸發模型計算,氣相化學反應速率由arrhnius公式計算,通過耦合求解氣液兩相模型方程,模擬了燃燒室三維流場,得到了燃燒室內的溫度和組分濃度分佈。Numerical simulation of the air exchange process of indoor pollutant
室內污染物換氣過程的數值模擬The computer numeric simulation of the heat and mass exchanging process of air and water in limited space
有限空間空氣與水熱濕交換過程的計算機數值模擬Slow cooling section is next the fast cooling section, cooling tiles slowly by exchange heat between hot gas in the tunnel and the environment air, which is sucked into pipes stick in the tunnel and been heated there, and been sent to dryer to dry biscuits
緩冷段不直接打冷卻風,它通過抽熱風機將環境空氣吸入,進入窯內導熱良好的鋼管,並將換熱后的熱空氣送入乾燥窯內,冷空氣在換熱過程中,使製品得到間接的冷卻,讓製品安全度過573的晶型轉換階段。The analysis on condensation heat transfer of flue gas
煙氣冷凝換熱過程分析The physical characteristic of forming plasma within resonant cavity was revealed, i. e. the forming mechanism is a switching process from the ionization caused by strong electric field at the initial stage of mpt ' s start to another ionization caused by joule ' s heat at the stage of mpt ' s steady work. the main influencing factors of mpt ' s steady work were studied. anther pointed out the matching between pressure in resonant cavity and microwave power is the determinant factor to the plasma whether stabilization or extinguishing
分析了mpt諧振腔內微波能量的轉換過程,揭示了其內等離子體的形成是由mpt啟動初期的強電場電離形成放電區過渡到穩定工作期的熱電離形成穩態等離子體區這一物理本質;研究了影響mpt穩定工作的主要因素,指出微波有效功率與諧振腔內氣體壓強的匹配是維持等離子體穩定、避免等離子體消失、放電區熄滅的關鍵因素。Development of mathematical model of heat exchanger outside of air sour ce heat pump heating chilling unit
噴水渦旋空氣壓縮機壓縮過程的換熱特性分析By using ncep / ncar reanalysis data of height and wind, the inter - monthly lpac map, the climate lapc map, inter - annual anomaly map and mean variance map of monthly wind field of 850 and 500hpa and monthly height field of 850, 500, 150, 30hpa are calculated in a globe - belt area, which situates between 30 s and 75 n, from december 1957 to december 1997, according them we analysis the rule of the season transfer and anomaly of nh mean circulation. the results show that the climate map of lapc can describe the seasonal transfer process of large scale circulation better. the advance process of summer circulation establish is form south to north at the middle and lower level of the troposphere, that is reflected primly in the inter - monthly wind and pressure map of lapc ; at lower lever of stratosphere, the establish process is simulate to that of troposphere, and reflect of process of that the south asia high toward plateau ; at middle stratosphere the summer circulation establish begins at middle and high latitude initially, and then transmits to low latitude gradually, while the seasonal variability in mid - stratosphere is stronger than it in troposphere and low - stratosphere
利用ncep ncar再分析高度場和風場資料,計算了30 s 75 n球帶區域1957年12月至1997年12月逐月850 、 500hpa風場及850 、 500 、 150 、 30hpa高度場月際局地型相似系數圖、多年平均圖(即氣候lpac圖) 、年際異常圖及均方差圖,在此基礎上,分析了北半球平均環流季節轉換及其異常的規律。分析表明,氣候局地型相似系數圖較好地給出了大尺度環流季節轉換發生的過程:在對流層中、下部,風、壓場月際局地型相似系數圖清楚地反映了夏季型環流建立由南向北的推進過程;低平流層夏季型環流的建立與對流層接近,其中,南亞高壓上高原過程有明顯反映:中平流層,夏季型環流的建立明顯表現為從中、高緯度開始,逐步向低緯傳播的特徵,且變化較對流層和低平流層明顯。The works would include creation of negative pressure gradient in wards, provision of 100 per cent fresh air supply and dilution of bioload in sufficient air change rates, installation of high efficiency particulate air filters to filter out droplets and aerosols, and the provision of en - suite toiletshower facilities in ward cubicles where building structure and existing building services installations permit
工程將包括在病房內製造負氣壓坡度;以足夠的換氣率,供應百分之百的新鮮空氣以及稀釋空氣中的微生物含量;安裝高效能空氣粒子過濾器,過濾飛沫和噴霧;以及在建築結構和現有屋宇裝備許可的情況下,在病房單間內提供獨立洗手間和淋浴設施。To investigate the space / time distributions and occurrence and evolution of such events, the diffusion pattern over deserts, turbulent transfer features in sandstorm weather, the particle size distribution, mass concentration and its distribution, optic properties, chemical composition and physical factors responsible for the initiation of raising sands, we made integrative observation and sounding of sandstorms deep in the large - scale desert area, including tengri, badanjilin and maowusu, with the items consisting of micrometeorological measurement, 3d wind observation, data from kb - 120 and anderson samplers of mass concentrations of sands with their spectrum, the distribution of aerodynamic particle sizes from the aps3310a, retrieval of aerosols " optic depth from sunphotometer data, assay of the chemical composition by means of neutron activiation analysis ( naa ) and integrated study of all related factors for causing sandstorm to occur, based on the observations of all kinds
利用所取資料,系統分析了不同強度沙塵天氣條件下沙塵氣溶膠質量濃度和質量濃度譜、粒子譜分佈、光學厚度、化學組分等特徵;綜合分析了影響沙塵起動的諸物理因子在沙塵起動中的作用;用沙塵輸送模式對一次沙塵暴天氣造成的泥雨過程的形成機制進行了模擬。歷史氣象資料統計分析表明,沙塵暴有其高發期( 4 、 5月)和高發時段( 14 - 20時) , 14時到20時之間發生的沙塵暴約占沙塵暴總次數的66 。揚沙和沙塵暴天氣條件下,湍流動量通量和湍流感熱通量都是重要的湍流交換,沙塵暴發生前近地層的超絕熱不穩定對沙塵暴天氣有加強作用。The correlation analysi s between sst and sea surface height, heat content and depth of thermocline also shows the important role of ocean dynamic processes in some regions, besides the influence of heat exchange between air and sea
Sst與海表面高度、熱含量、溫躍層深度等的相關分析也表明,在某些區域,除受海洋-大氣之間熱交換的影響外,海洋動力過程對sst的影響也占重要地位。This paper analyzed the heat exchange between ceramic honeycomb regenerator and gas, and established a heat transfer process mathematical model for ceramic honeycomb regenerator
摘要分析了高風溫燃燒系統中陶瓷蜂窩蓄熱體和氣體間的熱量交換,建立了陶瓷蜂窩蓄熱體傳熱過程數學模型。Oxygen diffusion transport and electrochemical reaction in the oxygen cathode of alkaline fuel cell ( afc ) and pemfc have been expressed with the tffa model, including oxygen transferring in gas channel of gas diffusion layer and reaction layer, oxygen dissolution and diffusion in thin - film of reaction layer, oxygen reaction and diffusion in flooded - agglomerate of reaction layer and the conduction of electron and ion. numeric algorithm of the model equations is also obtained
本文將tffa模型應用於堿性燃料電池( afc )和質子交換膜燃料電池( pemfc )陰極,推導出陰極各種傳遞和反應過程的描述方程,包括氧氣在氣體擴散層和反應層氣體通道中的擴散,氧氣在反應層薄膜中的溶解和擴散,氧在反應層浸漬聚集體中的反應和擴散以及電子和離子的傳導,並給出方程的數值解法。Besides, two particular working conditions, filling a vessel with gas and sucking gas out of a vessel, are discussed in detail, and the equations for calculating the time for gas filling and suction are presented
在工程實踐中,可根據實際氣體的臨界狀態參數,查取其壓縮性系數,計入實際氣體的狀態方程中,並將過程指數換成實際氣體的容積絕熱指數,這樣就可把結論用於實踐以解決工程問題。He explains why microwaves cook fish well and meat poorly ( they heat only water molecules, and those to just below boiling : in other words, they poach, producing succulent fish but bland meat ) ; why one should dress a salad just before serving ( oil penetrates the thin waxy cuticle that coats vegetables, driving out the air that refracts light and gives vegetables their colour ) ; why potatoes are the perfect food to deep - fry ( a wealth of starch and sugar on the surface ) ; and why the easiest way to salvage curdled mayonnaise is to wait until the oil separates completely, then just pour it back in, whisking constantly
他解釋了很多廚房內的問題,為什麼用微波爐烹飪出的魚味鮮色美,而做出的肉卻難以下咽(微波爐只對水分子有加熱的作用,而加熱的程度僅低於沸點:換言之,這是一種用熱水煮的過程,所以烹飪出的魚會多汁,而肉卻味道一般) ;為什麼僅在上菜之前的那一刻才給沙拉添加拌料(因為油會浸入保護蔬菜的薄弱表層,並迫使蔬菜內含有的對光線有折射作用的空氣,這樣蔬菜就具有了最本質的顏色) ;土豆為什麼通過油炸才味道最佳(因為油炸過程中,大量的澱粉與糖份會浮出到土豆的表面) ;以及為什麼給蛋黃醬解凍的最簡便的方法是先把醬倒出來,等內含的油完全分離之後,然後把醬倒回瓶子里,再不停地攪拌。It is indicated that hrv has many advantages certified by theoretic analyze and engineering practices, such as fully ventilating, abundant fresh air supplying, energy saving, etc. comparing with independent fresh air supplying, hrv is supposed to cause potential problems, - in summer load of fan - coil units will be increased, and the wet operating mode will be aggravated, the indoor relative humidity will be increased
新風換氣機供應新風是住宅空調系統較為理想的新風供應方式,本文通過理論計算及工程實踐表明採用,新風換氣機具有換氣充分、新風量保證、節能等優點。但與新風機組獨立供應新風相比,新風換氣機供應空調系統新風時,會造成夏季風機盤管負荷增加,濕工況加重,室內相對濕度有增加趨勢。In this article, constituting some the equations which reflect the flow law and building and applying many mathematical models of physical and chemical reactions in the the plasma ignition : applying k - two equations turbulence model to calculate the turbulence parameter supplying simplied reaction systerm model and applying eddy break - up model and p - i thermal radiation model. with these reasonable simplied modles, numerically simulating the flow field in the plasma ignition. during the numerical simulation, applying the body - fitted coordinates for the complex geometry of the computional field ; using the mixing format to disperse the equations ; applying simplec algorithm method to solve the equations ; using above models and methods, it can get flow field distribution ; including temperature, pressure, turbulent kinetic energy and its dissipation rate, turbulent viscosity, velocity, density. these results are significant to design and improve the plasma ignition
本文旨在通過構造反映等離子點火器內部流動規律的基本方程組,建立描述等離子點火器內部的復雜物理化學過程機制數學模型:模擬等離子發生器內部燃燒的-雙方程湍流流動模型;模擬氣體燃料在燃燒時中化學反應的簡單化學反應系統模型;模擬等離子點火器內部湍流預混燃燒的漩渦破碎模型;模擬等離子點火器高溫燃氣及其壁面的p - i輻射換熱的模型等等,對模型進行一定的合理的簡化,然後數值模擬等離子點火器內部流場的流動。分享友人