排氣流 的英文怎麼說
中文拼音 [bèiqìliú]
排氣流
英文
exhaust flow-
If a greenhouse is extra tight, the airflow from the inlet side of the house to the exhaust fan will be relatively well confined.
如果溫室很密閉,室內從進風面到排風扇的氣流就比較好控制。Four nozzles, canted outboard, split the exhaust of the solid rocket motor into four equal tails.
四個向外傾斜的噴管把固體火箭發動機的排氣流分成四個相等的尾巴。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。The non-bleed controller uses air only when exhausting the line to the controlled device.
無放流式調節器只有在通至調節機構的管道排氣時才消耗空氣。Ventilation : positive downdraft exhaust ventilation should be provided to maintain vapor concentration below tlv
通風:為了使氣體聚集程度維持在閥極限值之下,應提供通暢的向下棋流排氣通風設施。Heated air is forced into the upper tier of ducts.
加熱的氣流被送入上面的一排管道。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。The air - flow field in the stripping unit can be adjusted easy by changing the rotation speed of fan which is benefit to reduce the grain losses, it was found during experiment that the cross - flow fan can diffuse some of mog ( material other of grain ) and diffuse it in a certain direction which is useful to satisfy the working condition for driver and lighten working load of the threshing unit of the combine harvester candidate and speciality : peng shengmin ; machinary design and theory supervisor : prof. zhang huiyou
該裝置可以通過控制橫流風機的轉速,使裝置內氣流在有控制的情況下排出裝置外,改善了裝置內流場狀態,提高了裝置喂入口處的負壓,這對減少摘脫裝置的落粒損失,有著重要意義。由於橫流風機的除雜,可以減輕機器的復脫和清選負荷。安裝橫流風機后可以對裝置的出風口處灰塵進行有效導引,改善駕駛員的工作條件。Equipment for continuous monitoring radioactivity in gaseous effluents - part 3 : specific requirements for radioactive noble gas monitors
氣態排出流放射性連續監視設備.第3部分:放射性惰性氣體監視儀的特殊要求Equipment for continuous monitoring of radioactivity in gaseous effluents - part 3 : specific requirements for radioactive noble gas monitors
氣態排出流放射性連續監視設備.第3部分:惰性氣體排出流監視儀的特殊要求For example , the spiral arrangement of scale - bract complexes on ovule - bearing pine cones , where the female reproductive organs of conifers are located , is important to the production of airflow patterns that spiral over the cone ' s surfaces , thereby passing airborne pollen from one scale to the next
例如,帶有胚珠的松球的鱗苞綜合體的螺旋狀安排,亦即松柏目植物雌性殖器官的所在位置,對于氣流模式的形成與產生殊為重要,而這些氣流模式在松球的表現盤旋上升,從而把在空氣中飛行的花粉從一個鱗苞傳播至下一個鱗苞。Equipment for continuous monitoring radioactivity in gaseous effluents - part 2 : specific requirements for aerosols monitors including transuranic aerosols
氣態排出流放射性連續監視設備.第2部分:包括鈾后氣溶膠的放射性氣溶膠監視設備的特殊要求Equipment for continuous monitoring of radioactivity in gaseous effluents - part 2 : specific requirements for radioactive aerosol monitors including transuranic aerosols
氣態排出流放射性連續監視設備.第2部分:包括鈾后氣溶膠的放射性氣溶膠監視設備的特殊要求The research indicated that the airbag volume, vent hole size and gas generate mass flow rate exert dominant influence on the protection effectiveness of the occupants. the paper pointed out that small airbag volume, small vent hole size and low gas generate mass flow will provide the occupants with best protection in the mini - van frontal crash
研究結論表明氣囊體積、氣囊排氣空截面積和氣體發生器類型對氣囊的防護效率有重要影響,並提出對于駕、乘人員安全氣囊系統,小體積氣囊、小排氣孔截面積和高氣流率的發生器的組合將產生最佳防護效果。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。After the ventilator is started, the dust catcher is under negative state and will absorb air with dust in the ductwork to the case on the dust catcher, then the air current will enter into the upper side of filter bag flowing from upper side to lower part ; most of the dust will come out from the filter bag under function of gravity and inertia and then fall into the lower case ( ash hopper ), then the clean air will enter into the air via ventilator
當通風機啟動后,除塵器便處于負壓狀態,並將余風管中的含塵空氣吸入到除塵器上箱體內,然後氣流進入濾袋上口自上而下流動,多數粉塵顆粒在重力和慣性力的作用下穿出濾袋下口,沉降至下箱體內(灰斗) ,被濾的凈化氣體經通風機排入大氣中。Measurement of intake air or exhaust gas flow of diesel engines
柴油機進排氣流量的測量An exhaust flow model of dpf, based on the terms of porous medium, is requisite to display the influences on flow induced by filter ' s configuration
在討論多孔介質條件的基礎上建立了微粒捕集器排氣流動模型,並分析了捕集器結構參數對流動分佈的影響。A variety of mechanical surfaces have been employed for deflecting the exhaust jets of solid-propellant rockets.
人們已經用過各種類型的機械控制面來偏轉固體推進劑火箭的排氣流。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。分享友人