氣室壓力 的英文怎麼說
中文拼音 [qìshìyālì]
氣室壓力
英文
plenum air pressure-
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A heating unit in the basement of a house burns gas to heat air or water, which is then forced through the house or building to raise it ' s temperature
居於樓房地下室的一個供熱裝置通過燃燒氣體釋放熱量來給水和空氣加熱,加熱的水或空氣則靠壓力運送到樓房或大樓來提高它的溫度。Hand - held pressurized aerosol dispensers against houseflies - specification for insecticidal performance
消滅室內飛蟲用手持式壓力氣溶噴灑器.殺蟲性能規范Hand - held pressurized aerosol dispensers against houseflies - method for determination of insecticidal performance
消滅室內飛蟲用手持式壓力氣溶噴灑器.殺蟲性能的測定方法They varied both chamber pressure and mixture ratio, making use of a stepfunction change in the oxidizer injection rate.
他們通過用氧化劑噴射速率階躍函數變化的方法來改變氣室壓力和混合比。A temperature stratification from the top to the bottom of the plenum is obtained.
從壓力通迅室的頂部到底部可獲得分層氣流溫度。Mo interval : measuring the internal layout especially the protection of the gas only in fully enclosed rooms, but also the flexibility to adjust various parts of the cone pressure balance
間隔莫:艇身內部的間隔莫不僅能保護各氣室的完全密封,而且也可以靈活的調節各個錐體部分的壓力平衡。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。Virtual instruments technology was applied to build the measurement and control system and develop the software for the experiment, which improve the efficiency of the study. finally the velocity control experiment of sapc at several flight states was accomplished which has a good effect. the study has certain significances on developing electronic - electric cpcs
構建基於虛擬儀器技術的測控平臺,採用labview軟體開發測控軟體,利用實驗室的現有條件,結合某型電子/氣動式壓調器的實驗,完成了飛機在各種飛行狀態下所需的大氣壓力模擬艙內的壓力控制,取得了較好的效果。Curtain walling - watertightness - laboratory test under dynamic condition of air pressure and water spray
幕墻.水密封性.空氣壓力和水噴射動態條件下的實驗室試驗Tractors and self - propelled machines for agriculture and forestry - operator enclosure environment - part 5 : pressurization system test method
農林拖拉機和自走式機械封閉駕駛室第5部分:空氣壓力調節系統試驗方法Room pressurization test. this test is to verify that there is a proper amount of positive / negative room air pressure
潔凈室壓力測試。該項試驗用於檢驗潔凈室正/負氣壓的合適性。The pressure to succeed is intense as the teens come from impoverished rural areas with parents who never made it past junior high. the students wake at dawn to memorise math formulas and propaganda slogans while teachers roam classrooms to keep exhausted students awake
為了報答在鄉間只有小學程度的父母的栽培,他們由早到晚在課室內由老師鞭策,不停背誦數學方程式和共產口號,壓力令這班年輕人都喘不過氣。An experimental study is carried out on the effect of following factors on the combustion performance of a vehicle fuel heater : geometric parameters ( the number, diameter, distribution and direction of combustion chamber intake holes ) and intake and exhaust pressures
摘要對車用燃油加熱器燃燒室進氣孔徑(流通面積) 、孔的分佈、孔的方向等幾何參數和進排氣壓力對加熱器燃燒性能的影響進行了試驗研究。The convective term is solved by ausm + ( a sequel to ausm which means " the advection upstream splitting method " ). the 7 species 8 steps model and 7 species 7 steps model of hydrogen / air is used in the hydrogen reacting flowfield, the 9 species 5 steps model of methane, the 10 species 10 steps model of ethane and the 10 species 13 steps model of kerosene are used in the hydrocarbon reacting flowfield, the results of the distributions of velocity, mach number, pressure, static temperature, total temperature, species mass fraction and the combustion efficiency are gained, and the numerical results of the pressure of hydrogen and methane are compared with those of the experiment
計算中通量項採用ausm +通量分裂格式,氫反應流場採用氫/空氣的七組元八方程模型和七組元七方程模型,碳氫反應流場採用甲烷的九組元五方程模型、乙烯的十組元十方程模型和煤油的十組元十三方程模型,得出了超燃發動機燃燒室流場的速度、馬赫數、壓力、靜溫、總溫和組元質量分數分佈及燃燒效率等性能參數,其中氫和甲烷的計算壓力分佈與實驗結果進行了比較。The precondition of establishing mathematics model of torpedo turbine system in design condition is to fulfill the external conditions ( such as torpedo sailing speed and depth etc. ) and inner conditions ( such as turbine power and efficiency etc. ). after establishing mathematics model of torpedo turbine system in design condition, we compiled simulation program to compute all kinds of inner parameters of turbine engine include engine type, principal layout of turbine, inner structure of turbine and state parameters of gases
首先分析設計工況時渦輪機動力系統,在滿足魚雷動力系統的各項外部條件(如魚雷航深、航速等)和內部條件(如渦輪機功率、效率,燃燒室壓力、溫度,轉子機械強度等)的前提下,建立起設計工況渦輪發動機的數學模型,編程計算並確定渦輪機內部機械結構和燃氣熱力學狀態各參數。Much works has been distributed to the development of a vacuum system to simulate the outer space and a measurement system to test the arcjet performance. ignition experiments in various operational modes have been done with argon as propellant. macroscopical working parameters including thrust, mass flow rate, voltage, current, inlet pressure and vacuity are obtained by the test measurement system and actual performance parameters including specific impulse, thrust efficiency, ratio of thrust and power and ratio of power and mass flow are calculated
以氬氣作為推進劑,在不同工況下進行點火實驗,測量獲得了其工作推力、電弧電壓和電流、推進劑流率和弧室壓力等宏觀參數,得到了不同實驗條件下其工作的實際比沖、推力效率、推力/功率比以及比功率等性能參數,分析了推進劑質量流率、電弧功率、電弧加熱發動機電弧室結構尺寸等因素對其性能的影響,為數值模擬研究和實際的低功率電弧加熱發動機優化設計及研製提供了實驗基礎。Calculation of the pressure of the internal trajectory and the gas - operated chamber of the heavy caliber machine gun
大口徑機槍內彈道及導氣室壓力的計算According to current equipment in laboratory, multi - cylinder engine pressure acquisition and combustion analysis system are investigated. the system consists of data acquisition system and multi - cylinder engine cylinder pressure acquisition and combustion analysis software
根據實驗室現有設備,進行了多缸發動機氣缸壓力採集與燃燒分析系統的研究,該系統由數據採集系統、發動機缸壓數據採集和燃燒分析軟體組成。分享友人