氣噴射泵 的英文怎麼說
中文拼音 [qìpēnshèbèng]
氣噴射泵
英文
ejector air pump-
Recent experiments have succeeded in obtaining oscillations from the new system, with frequencies of 66hz and 23hz for the cases with helium and nitrogen as the working fluids, respectively. the traveling wave system is expected to be one of the good candidates as a driver for pulse tube refrigerator, leading to a thermoacoustically driven pulse tube refrigerator without any moving component
還利用deltae對環路部分進行了數值模擬分析,著重討論了系統的起振臨界溫度與臨界加熱功率、效率與加熱溫度的關系、噴射泵的作用以及不同工質(氮氣和氦氣)的比較等,得出一些有益的結論。The inner fluid in the steam pump was discussed through theoretical study, the mathematic model on sucking was educed, and the extension of the model was in conformity to the experimental value of steam eject pump in actual practice
摘要主要對蒸汽噴射泵內流體進行理論研究,推導出了蒸汽噴射泵的抽氣數學模型,並給出了該模型與實際蒸汽噴射泵實驗值的符合范圍。Streaming from the hot end to the cold end of the regenerator was found which would waste much useful heating energy. modified structure of the jet pump could control this sort of streaming efficiently
實驗中還觀察到了直流現象,氣體從回熱器熱端向冷端運動,造成大量的能量浪費,通過改進噴射泵結構可以有效抑制直流。The conclusion is drawn that in the quasi two - stage compression heat pump system coupled with ejector, discharge temperature of the compressor is decreased effectively, electric power is reduced, and heating performance is increased compared with those of the flash - tank throttle system in the same conditions. it shows that the quasi two - stage compression heat pump system coupled with ejector improves performances of air - source heat pump in theory
由結果可以看出:在相同工況下,準二級壓縮?噴射復合熱泵系統可以有效降低壓縮機排氣溫度,所消耗的電功率較閃發器節流系統有所降低,制熱性能有所增加,從理論上說明該系統在解決空氣源熱泵低溫適應性問題上有進一步突破。Vacuum technology ; acceptance specifications for diffusions pumps and vapour jet vacuum pumps for vapour pressures of the pump fluid 1 mbar
真空技術.流體蒸氣壓低於1mbar的擴散泵和蒸氣噴射真The circulating air, driven by piezoelectric pump, turns into fluid when it is refigured by a nozzle and jets from the nozzle
壓電泵驅動氣體循環,循環氣體由噴嘴整形后噴出,成為射流。射流以層流的形式運動。The explosive mixture of the petrol engine is provided by a carburettor, but in the case of the diesel engine the supply is effected by an injection or jerk pump which forces a shot of fuel into each cylinder in turn according to the correct firing sequence
翻譯:汽油發動機由一個化油器輸送可燃混合氣體,而柴油發動機,由一個噴射泵或柱塞式燃油泵實現燃油供應,此泵根據正確的點火順序把少量燃油依次壓入每個汽缸。Research on velocity of gases in the diffuser of steam eject pump
蒸汽噴射泵擴壓器漸縮段內氣體速度的研究The abnormal conditions of polyester vaccum system such as the frequent exchanging of liquid - ring pump in prepolycondensation, the occlusion of scraped condenser and vaccum atmospheric leg, the eg spray flow decreasing of vaccum injection pump, the working performance on the low side of the injection pump itself were analysed
摘要對聚酯真空系統的異常情況如預聚液環泵頻繁切換,刮板冷凝器、真空大氣腿堵塞、真空噴射泵eg噴淋流量降低,噴射泵本體工作性能偏低等進行了分析。In the paper, interrelated background and working principle of the quasi two - stage compression heat pump system coupled with ejector are introduced in detail firstly. working process of ejector and scroll compressor with supplementary inlet are analysed mainly and the mathematic model of the system is set up
本文首先對與準二級壓縮?噴射復合熱泵系統的相關背景進行了綜合闡述,並對該系統進行詳細介紹,重點對系統中的噴射器和帶輔助補氣口的渦旋壓縮機的工作過程進行分析並建立數學模型。This system captures the rack position signal and rotate speed signal of the fuel injection pump, and calculates the circulating fuel injection quantity by programming the computer. then the computer is programmed to control the daq board to generate a certain width pulse. finally, controlled by the pulse, the alcohol injection system injects a certain quantity alcohol into inlet manifold according to a setting diesel / alcohol proportion
該系統採用了在labview平臺上開發的pc總線?插卡式虛擬儀器系統,系統通過採集噴油泵的供油拉桿位置信號和轉速信號,利用計算機計算得出柴油的循環噴油量,再根據程序設定的柴油/酒精比例控制數據採集卡發出一定寬度的脈沖,控制低壓酒精噴射系統按比例將酒精噴入進氣歧管。Used the theory of air - dynamic and the jet - ejector principle the characteristic of jet - steam, proving the noise signal have the character of chaos by using the fractal theory. noise sound pressure on the normal condition was checked by theory formula and contrasted with the experimental data. the difference was analyzed in detail
結合空氣動力學噴射氣流噪聲理論公式,驗算了三效降膜蒸發器正常生產時熱壓泵中拉伐爾管噴口處的噪聲聲壓級,與實測值進行對比,並詳細分析了兩者產生較大差異的原因。分享友人