阻氣室 的英文怎麼說
中文拼音 [zǔqìshì]
阻氣室
英文
choke chamber-
Abstract : apply computer simulation to the distribution pattern of air - flow without considering the cold condition of the combustion and compare the flow patterns under different designed circumstances. and the effect of the design of the partition in the air way of the burner on the flow and mixture of gas and air is especially studied. the result shows that the design of partition plays a very important role in strengthening the mixture of gas and air, but increases the loss of the resistance in the air way and the total pressure of the air way in same working conditions needs increasing
文摘:應用計算機模擬的方法,在不考慮燃燒的冷態情況下,研究了熱風爐燃燒室內的氣流分佈規律.在此基礎上,比較了2種不同設計方案的氣流流動特徵,尤其是研究了燃燒器空氣通道內阻流板的設置與否對空氣和煤氣的流動和混合的影響.結果表明,阻流板的設計對加強空氣和煤氣的混合有著極為重要的作用,同時也增加了空氣管道的阻力損失,在同樣的工況條件下需要提高管道系統的總壓力Also, it helps to prevent dust and other airborne contaminants from flowing into the room.
它還有助於阻止塵埃和空氣所帶的其它污染物進入室內。A displacement ventilation system was provided, it can form the " air layer " at the bottom of room so that resistance dewiness air meet directly the cold floor surface
本文採用房間下部送風的方式,使之形成地面「空氣湖」 ,阻隔潮濕空氣與室內地板表面的直接接觸。The purpose of the float-bowl vent is to equalize the effects of a clogged air cleaner.
浮子室通氣孔的效用是補償空氣濾清器阻塞的影響。The structure and operating principle of an air - charged split - type adjustable shock absorber was described, e non - linear parameterized mathematical model of this shock absorber ' s damping characteristics was established according to fluid mechanics theory and the main structural affection factors to shock absorber ' s damping performance, such as the diameter of piston valve orifice, the diameter of adjustable orifice, the initial volume of gas chamber, the diameter of piston rod, the inner diameter of oil pipe and so on, were analyzed by simulations
摘要通過分析一種分體式充氣可調阻尼減振器的結構和工作原理,運用流體力學理論,建立了該減振器阻尼特性的非線性參數化模型,模擬分析了活塞阻尼閥孔徑、阻尼調節孔徑、氣室初始體積、活塞桿直徑、油管內徑等主要結構參數對減振器阻尼性能的影響,通過試驗測試,得到了減振器樣件的阻尼特性及其可調范圍。The deep verandahs help prevent rain from flooding the house, block sunlight and keep the indoor area cool
建築物寬闊的露臺能抵禦風雨及阻隔陽光,有助降低室內氣溫。Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied
本文針對電站風機性能監測系統研究較少的現狀,在實驗的基礎上分析了現場加裝進氣箱和由於安裝造成的導流器葉片開度不一致對風機性能曲線的影響,並在此基礎上採用無節流方法測量流量,以風機調節性能曲線為依據,建立了基於徑向基函數( rbf )神經網路的風機流量全程監測模型;以實驗室4 - 73no . 8d離心風機為研究對象,探討了rbf神經網路差壓模型在變轉速、變導流器開度和變管網阻力等工況下的應用精度和誤差分佈規律;最後用visualc + +語言開發了風機性能在線監測系統。1, product uses : wall panels, ceiling panels, fire panels, waterproof panels, boxes, etc., can be substituted for wood plywood so qiangqun, doors and windows shutter panels, furniture, etc., as well as by the need to reconcile painting, water painting, and processed into various types of panels face and can be used for the basement, air and mine, moist environment works, but also with a variety of heat preservation material composite, manufactured composite food warming plate 2, product characteristics : bolivia has a magnesium plates withstand high temperatures, fire, acoustic vibration, waterproofing curing, pest control, light corrosion, drug - free tasteless clean, the paint can be directly with noodles, available gas nails, direct, tiles, surface better color
1產品用途:墻板,吊頂板,防火板,防水板,包裝箱等,可替代木質膠合板做墻裙,門窗板門板,傢具等,也可根據需要做調和漆,清水漆,並可加工成各種類型的板面,同時可用於地下室,人防和礦井等潮濕環境的工程,還可以與多種保溫材料復合,製成復合保溫板材2產品特性:玻鎂板具有耐高溫阻燃吸聲防震防水防潮防蟲輕質防腐無毒無味無污染可直接上油漆,直接貼面,可用氣釘直接上瓷磚,表面有較好的著色性。Results show that all the geometric parameters have remarkable effects on combustion performance ; the swirl of intake air generated by skew intake holes enhances fuel - air mixing, minimizes dead zone and stabilizes the flame with reverse flow, but the excessive reverse flow can cause overheat in combustion chamber and exhaust ; the consistency of flow resistance in intake and exhaust system is conducive to the stability of heater performance
研究表明,燃燒室進氣孔的孔徑、孔數、孔的分佈及方向等均對燃燒性能影響很大;斜孔所產生的旋轉進氣,雖具有強化燃氣混合、消除死區和迴流穩焰的作用,但迴流過度會使燃燒室及排溫過高;保證進排氣系統流動阻力(壓力)的一致性,有助於保證加熱器性能穩定。The method is described as follows : the velocity of the moving part and the gas chamber pressure were measured with a dynamic test measurement system ; a dynamic model was built on force analysis of the moving part ; the total kinetic resistance replaced the horizontal friction and water resistance ; then the resistance - velocity relation curves at moving stages were obtained ; with the empirical formula of the gas chamber pressure and the resistance - velocity relation curves, the preliminary dynamic characteristics were analyzed and the structural form and key parameters of an underwater assault rifle were determined
具體方法為:由動力學測量系統測得活動件速度和氣室壓力;分析活動件的受力,建立動力學模型;以運動總阻力代替水平方向上的摩擦阻力和水阻力,獲得各運動階段的阻力速度關系曲線;利用氣室壓力經驗公式和阻力速度關系曲線,對水下突擊步槍進行初步的動力學分析,確定其構造型式及主要參數。Computational fluid dynamics ( cfd ) techniques are used to study and understand fluid behavior in tunnels. by simulating complex specific operational cases, we can educe velocity or flux distribution in tunnel under different ventilation and resistance situation and determine the favorable operational procedures of the erlang mountain tunnel ventilation in a fire case. comparison has been made between a simulation and experiment for some cases in order to prove the cfd model is powerful, so that enables the study of cases for which experimental data is not available
採用本文將隧道內的氣流看成是理想流體的一維恆定流動,通過對二郎山特長公路隧道半橫向通風系統建立隧道內的空氣動力學模型,利用計算機進行數值分析與計算,得出發生火災時,不同通風阻力條件下隧道中的風速分佈及流量分佈,並通過實驗室隧道模型實驗進行驗證與修正,依據研究結果給出了二郎山半橫向通風隧道的火災控制方案,從而解決了二郎山公路隧道通風對火災的控制問題,同時為半橫向通風公路隧道的火災通風提供科學的方法。The main work and conclusion for this paper is as following : according to the flashover test results of several kinds of iced insulators under positive voltage and negative voltage, this paper obtained : for the single porcelain insulator, the single glass insulator and the composite insulator bridged completely by icicle, the metal cathode ' s strong ability of emission electron is the primary reason that results in the lower negative flashover voltage ; the position difference of the high resistance district in method anode side results in that porcelain insulator cluster and glass insulator cluster have an evident effect of polarity ; when less ice and no icicle at the brim of the sheds, due to numerous non - polar arcs on the composite surface, the effects of polarity of composite insulator was lost using the test method of the average flashover voltage in the freezing period, dc flashover performances were investigated of several insulators with some typical structures and different material
本文的主要工作和結論如下:在人工氣候室內,根據不同覆冰絕緣子正、負極性下的閃絡試驗結果,得出負極性電弧金屬陰極的強電子發射能力造成了單片瓷、玻璃絕緣子及被冰凌橋接的合成絕緣子有較低負極性冰閃電壓;正極性電弧金屬陽極側產生高電阻區所處位置的差異使得瓷和玻璃絕緣子串具有明顯的極性效應;覆冰較少時,合成絕緣子表面出現數量較多的非極性電弧使合成絕緣子無極性效應。利用覆冰期內平均閃絡電壓的試驗方法,對不同材質和結構的絕緣子在覆冰、低氣壓和污穢共存環境中的直流閃絡特性進行了研究。試驗結果表明,直流平均閃絡電壓隨著海拔的升高、覆冰量的增加以及污穢度的增加而降低,且其特徵指數與絕緣子結構、覆冰量、覆冰狀態、污穢度等有關。Methods 470 cases of ureteral calculi were treated with ureteroscopic ballistic lithoclast under caudal block anesthesia or urethral surface anesthesia
方法在門診內鏡手術室骶管阻滯麻醉或尿道表面麻醉下行輸尿管鏡術加氣壓彈道碎石術治療輸尿管結石470例。In order to solve the problems effectively, under the auspices of 863 plan in china, the synthesis diagnosis has been carried by means of measuring and numerical imitating the combustion chamber of refining column, and some conclusions is such as : ( 1 ) through measuring the temperature and combustion in the burning chamber of the refining column, the result shows the temperature difference on the same level is more than that in height direction, and there is a few of co in bottom of burning chamber. ( 2 ) in order to ensure normal work of flue system in lead column in the course of zinc refining, theoretic calculation and measure about the flow resistance of exhaust gas are carried through. the results of study reveal that drawing out force of chimney is inadequate, which is mainly caused by illogicality of flue construction
在研究過程中,採取了現場實測和數值模擬手段對韶關冶煉廠鋅精餾鉛塔燃燒室及排煙系統進行了綜合診斷,具體結果包括如下: ( 1 )完成鋅精餾鉛塔燃燒室內溫度測試以及燃燒狀況的測試,結果發現:鉛塔燃燒室內水平方向的煙氣溫度並非均勻,而且其溫差比上下方向的溫差更大,以及鉛塔燃燒室尾部存在co未燃燼問題; ( 2 )為了保證鉛塔煙氣系統的正常工作,對煙道系統的阻力進行了理論計算及測試分析,結果發現:鋅精餾鉛塔煙氣系統中煙囪抽力不夠,這主要是煙道結構不合理所造成的。As we all know, occupants " thermal sense is mainly dependent on the six factors : inside air temperature, humidity, air velocity, mean radiant temperature, clothing and metabolism rate. the traditional hvac control system, neglecting other factors concerned with human comfort, only considering the inside air temperature and air humidity and indirectly impacting on occupants by the two parameters control, cannot satisfy the comfort requirement of occupants and is energy wasting as well
傳統的空調控制系統以室內空氣的溫濕度作為控制對象,而實際上影響人體熱舒適的因素不僅包括溫度與濕度,還有風速、平均輻射溫度、人體的衣著熱阻和人體的新陳代謝率,人體對環境的冷熱感受是這些因素綜合作用的結果,因此在很多時候系統並不能滿足人體對熱舒適的需要而且節能性較差。It is one of the best water - saving irrigation methods that can save water in the highest degree for such advantages as saving water, saving energy, increasing production, raising air temperature and ground temperature inside the shelf, lowering air humidity inside the shelf, decreasing plight and reducing the use of pesticide and chemical fertilizer, etc. but percolation irrigation is far from a ripe irrigation method for the problems existing in the development of pipes for pi and the two difficult problems which hamper the development of pi ( one is the low uniformity degree irrigation, the other is the blockage in percolation irrigation pipes )
它是迄今為止最節水的一種灌水方法,具有省水、節能、增產、提高棚室空氣溫度和地溫、降低棚室空氣濕度、減少病蟲害、少施農藥和化肥等優點。但滲灌還不是一種成熟的灌水方法,滲灌的發展,首先取決于滲灌管的研製;其次是阻礙滲灌發展的兩大難題:滲灌的灌水均勻度和滲灌管的堵塞兩大難題的解決與控制。( 3 ) according to the study of heat treatment process, heat treatment ambience, airflow and heat treatment temperature were considerd as the important influences on the quality and property of ybco films. through optimizing the process, the ybco films were prepared on sto single crystal, and their room temperature resistance was about 200 ybco films also were fabricated on the sto buffered si substrate, and their room temperature resistance was about 300d
( 3 )根據本文熱處理過程的工藝探索,認為熱處理氣氛、氣流量及處理溫度是影響薄膜質量及性能的重要因素,通過優化工藝過程,在鈦酸鍶( sto )單晶上制得的ybco薄膜表面質量良好,室溫電阻200左右;而在預制了鈦酸鍶( sto )緩沖層的si基板上制備的ybco薄膜的室溫電阻為300左右。Based on the previous explanation, we could understand why a metallic door handle is usually not considered as an extraneous conductive part. if a proper installation method is used, the metallic accessories in bathroom could become non - extraneous conductive parts
至於浴室內的金屬掛架,若安裝方法得宜(譬如裝有絕緣墊) ,便有足夠的對地抗阻,變成不是非電氣裝置金屬部分。The two major advantages of having observing facilities outside our earth s atmosphere are : first, we can get sharper images of objects without the blurring effects of our atmosphere imagine seeing through a steamy room after you finish taking a bath. second, we can detect radiation from stars and galaxies in frequency bands that have been blocked by the atmosphere, such as ultraviolet, x - ray, and g - ray
在地球大氣外裝設觀測設施有兩大好處,首先,影像可更為清晰,否則大氣的阻隔會使影像變得模糊情形就像身處充滿蒸氣的浴室之中其次,我們可以偵察到那些從恆星和星系而來,卻被大氣層阻擋著的輻射,例如紫外線x射線和伽瑪射線。Shading rate : 50 % ~ 85 %, reflects the sunlight and cools by 3 ~ 5, the two vertical separate spaces formed while the screen closes prevent fog forming and dripping
遮陽幕遮蔭率達50 % ~ 85 % ,通過使用鋁箔反射一定的陽光,可使溫室內溫度降低3 ~ 5 ,當內遮陽緊閉時,溫室內形成上下兩個獨立的空間,能有效阻止溫室內霧氣形成滴露。分享友人