液化氣驅 的英文怎麼說
中文拼音 [yèhuàqìqū]
液化氣驅
英文
lpg flood-
It is studied that the formation mechanism of taylor bubble and its control method in gas - liquid two - phase flow, which affects the pressure balance and mechanical driving efficiency in the flow of petroleum engineering. experiments show that the formation of taylor bubble in gas - liquid two - phase flow is due to the intensive congregation and amalgamation of small bubbles driven by void fraction waves and that the highly turbulent flow is able to restrain this formation. thus, the flow regime transition may be checked by increasing the flow turbulence and controlling the disturbed frequency
對大管徑氣-液兩相流動中嚴重影響壓力平衡與機械驅動效率的段塞流生成機制和控制方法進行了研究，實驗證明段塞流的形成是由於空隙率波的大幅度增長使氣泡高度集中，並形成聚並所致。強湍流運動可以抑制taylor泡的形成。因此，通過強化湍流或控制擾動頻率可以對氣泡聚並起明顯的抑制作用。A transparent model is used to make the deflection jet board grounded on the inhere enlarged dimensions. the finished experiments are conducted to catch the flow rate directions and the situation of cavitation using a high - speed video cameras. in this paper, the finite element analysis and visualiation research of servo valve prestage jet flow field are carried out, which establish the theoretical foundation for mathematical model of servo valve prestage and the whole mathematical model of hydraulic servo valve
在對射流前置級驅動的伺服閥射流流場數值模擬的基礎上，用有機玻璃在偏導射流板原始尺寸的基礎上進行了擴大，製作了透明的偏導射流板，運用高速攝像機、液壓泵站等組成了可視化實驗系統，對射流流場的流速方向、渦流、氣穴等現象進行了多方位的觀測，並通過對接收管接收壓力的測試，對流場分析結果進行了驗證。Pneumo - hydraulic technology system drives and controls all kinds of mechanical equipments through the different combinations of pneumatic actuators with control valves etc., so as to realize automation for production process
氣動、液壓技術系統是通過氣動執行器與控制閥等的不同組合，來驅動和控制各種機械設備，從而實現生產過程的自動化。The pulse - tube refrigeration driven by the thermoacoustic prime has good application in natural gas liquefaction field
由熱聲發動機驅動的熱聲（包括脈管）製冷機，在天然氣液化方面有著巨大的商業應用前景。It performs a large amount of physical simulation experiment using the multi - function displacement equipment which is imported from american temco company and summarizes the effecting rule of the injected alternating slug size on the displacement efficiency during the alternating injection of gas and liquid. it uses orthogonal method to study the set and type of pre - slug and post - slug and their effect on the displacement efficiency of foam flooding and optimizes the main and sub - slug size so as to decrease the cost while keeping a high displacement efficiency
通過從美國temco公司引進的多功能驅替設備，所做的大量的物理模擬試驗，總結出了氣液交替注入時，注入交替段塞的大小對驅油效率的影響規律，利用正交設計法研究了前後段塞的設置與否及種類對泡沫復合驅驅油效率的影響程度，還對主次段塞的大小進行優化，在保證較高的驅油效率的前提下降低成本。Consequently, to optimize the engine performance in any condition and any circumstances, a need exists for a device that permits variable valve timing, variable lift and variable valve duration during engine operation. so a flexible, hydraulically actuating, electronically controlled variable valve system ( haecvvs ) for model 2135 diesel engine and the experiment bench for its performance have been deve loped
為了能夠在任意工況下對發動機的性能進行優化，作者在系統分析了國內外各種可變氣門系統的發展狀況及特點的基礎上，開發了一套中壓共軌、液壓驅動、電子控制可變氣門系統及其性能測試臺架，並對電控可變氣門系統的性能進行了研究。分享友人