高增壓發動機 的英文怎麼說
中文拼音 [gāozēngyāfādòngjī]
高增壓發動機
英文
highly blown engine-
Experimental studies on s1a - 02 gas turbine with water injection into compressor interstage / inlet as well as that on turbocharger self - loop test rig with inlet water injection are introduced. test results are in good accordance with simulation results, wet compression can lower compression work and increase engine power output so engine performance is enhanced, if engine power output is not changed, efficiencies of compressor and this engine become higher and turbine inlet temperature and fuel consumption become lower and if keeping t4 the same as that before wet compression is used, efficiencies become furthermore higher and engine power output increases greatly
實驗結果和計算結果同樣表明:濕壓縮減少了壓氣機所消耗的壓縮功,增加了燃氣輪機的輸出功率,提高了燃氣輪機性能,如果保持發動機輸出功率恆定,濕壓縮可以提高壓氣機和整個燃氣輪機機組的效率,與此同時,渦輪進口溫度t _ 3 ~ *和燃油消耗率下降;如果保持渦輪排氣溫度t _ 4 ~ *恆定,壓氣機和燃氣輪機機組效率進一步提高,燃氣輪機輸出功率增加。The great competition of automobile market has urged the factories to shorten the product development time ; and on the other hand, with the development of turbo, high power and light engine, the researchers have kept their eyes on the intensity more than the past
=汽車市場的激烈競爭,促使生產廠家極大地縮短了產品開發時間;另一方面,發動機朝著增壓、高功率、輕量化方向的迅速發展,又使研究人員更加註重發動機強度問題的研究。The high alloy and metal ceramic valve seats and valve guide manufactured by ourselves can satisfy the requirements of unleaded gasoline, diesel oil and natural gas engines, and also can apply to the requirements of natural air admission and various pressurization intensification engines
公司生產的高合金粉末冶金氣門座和氣門導管能滿足無鉛汽油機柴油機天然氣發動機需要,也能滿足自己吸氣及各種增壓強化發動機需要。並可根據客戶要求來樣加工。Finally, we can not use electric power but the engine of bus or subsidiary engine to drive air compressors of bus air conditions. because the change range of turnaround speed of engine is very wide, that brings difficulties in controlling the rate of flow of cold - producing medium. in the control of bus air - conditions, preventing evaporator from freezing to make the air - conditions work with high efficiency and controlling the temperature of railway carriage are the basic tasks in air - condition control
與一般的建築空調相比,汽車空調的工作環境惡劣,條件差,控制難度要增加很多,主要體現在以下幾個方面:一是車外熱負荷變化大,難以確定控制參數;二是要求空調負荷大,而且要控制空調使其降溫迅速:三,不便於用電力作為動力源,必須用汽車發動機或輔助發動機來帶動壓縮機,當採用汽車發動機作為動力源時,由於汽車的車速變化大,發動機轉速的變化可從600r min到4000r min ,壓縮機轉速與發動機轉速成正比,其轉速變化高達7倍,給空調系統製冷劑流量控制帶來困難。It ' s the first time to explore the combustion characteristics of lpg / diesel mixing fuel engine, and find that, with the change of load and rotation, the changing trend of the ignition delay period of e10 mixing fuel is almost as identical as that of the diesel, but that of e30 mixing fuel is very different. comparing with diesel, the combustion of e10 is improved slightly, but that of e30 greatly changes ; the maximum eruptive pressure decreases ; the maximum pressure increase rate decreases ; the highest releasing heat rate increases ; the highest combustion temperature falls ; the ignition delay period extends
結果表明: e10混合燃料與柴油的著火滯燃期隨負荷和轉速的變化趨勢基本一致; e30混合燃料與柴油則有所不同; eio混合燃料發動機的燃燒與純柴油相比,略有改善; e30混合燃料的燃燒特性發生明顯的變化,最高爆發壓力下降,最大壓力升高率減小,最大燃燒放熱率增大,最高燃燒溫度下降,滯燃期延長。On the engine, turbocharging can boost power 30 to 40 percent.
在發動機上採用渦輪增壓,可使其功率提高3040。By enhancing compression ratio of cng engine and adding the enclose control system mating cng engine, the dynamic performance decrease and bad emission of the refitted cng engine can be resolved
並通過提高天然氣發動機的壓縮比和增設發動機閉環控制系統等技術改進,恢復發動機功率(達到原汽油機的水平)和改善排放。Suitable for demanding to use high load, high - power, four strokes, gush out directly, the cold type diesel engine in turbine pressurizations of the api cf - 4 sg grade oil, include various kinds of domestic and importing the heavy - duty transportation vehicle of the new - type diesel engine and engineering machinery working under various kinds of harsh operating modes, lubrication of mine equipment, diesel oil generating set
用途適用於要求使用api cf - 4 sg級油的高負荷大功率四沖程直噴渦輪增壓中冷式柴油發動機,包括各種國產或進口新型柴油發動機的重型運輸車輛及在各種苛刻工況下作業的工程機械礦山設備柴油發電機組的潤滑。The result of the calculation for tip clearance is reasonable when it is compared with theory. two ways are put forward for convention of dimension of the turbine components from high temperature to low one, which is related with tip clearance, a simple example is used to illuminate that the two ways are useful, using the method of design optimization, axiisk and a blade of a certain turhine is analysed, it showes that the method of design optimization is feasible to be used for convertion of dimension of the turbine components. finally, ansys software is used to analyzed the variation of tip clearance with the method of cyclic symmetry analysis when engine works under the conditions of temperature and rotational speed, am using a new method to deal with thermal contact resistance in the calculation
本文完善了計算渦輪葉尖間隙的簡化演算法程序,增加了程序的計算功能,並將其應用於某高壓渦輪進行葉尖間隙分析,所得結果與理論結果進行了對比,得出修改後的程序用於葉尖間隙計算是合理的;同時提出了與葉尖間隙相關的渦輪典型部件的冷、熱態的尺寸兩種換算方法,使用優化設計的方法進行了實例分析,說明了所提出的計算方法是可行的;最後應用ansys有限元軟體利用循環對稱的方法分析了某型發動機高壓渦輪在溫度場及離心力作用下的葉尖間隙在發動機工作過程中變化情況,並分析了計算中的接觸熱阻的處理問題。So experimental study of dual - mode scramjet engines puts higher demands on simulating capability of ground test facilities and measurement technology, and greatly increases test cost and time
因此,雙模態沖壓發動機的研究對地面設備的試驗能力和測量技術提出了更高的要求,也大幅度地增加了試驗的周期和費用。It suitable for it demand it use api ch - 4 grade the the oils one high speed load, the turbine pressurization not high, in cold, four stroke pairs of piston gushing out type diesel engine direct not metal of two sections
用途適用於要求使用api ch - 4級油的高速高負荷渦輪增壓中冷四沖程兩段雙金屬活塞直噴式柴油發動機。For turbo - charged engines, due to the high rotating speed of the turbocharger, the air inlet noise is much higher than non - turbo - charged engines
對于採用渦輪增壓的發動機,由於渦輪增壓器的轉速一般較高,因此其進氣噪聲明顯高於非渦輪增壓的發動機。Alpine from south africa makes a real nice supercharger kit for the toyota 2. 4 and 2. 7 truck engines
從南非高山使一真正好增壓器工具給2 . 4豐田和2 . 7卡車發動機。Fuel pump and lube pump used in present aero - engine and space - engine are oriented to smaller volume, bigger flux and higher pressure
目前,航空航天發動機控制系統中的燃油供油泵、滑油增壓泵都在向著小體積、高轉速、大流量、高壓力的方向發展。On the engine, turbocharging can boost power 30 to 40 percent
在發動機上採用渦輪增壓,可使其功率提高30 ? 40 。Of high speed four - stroke turbocharging or getter - ion style engine where oils of performance up to api sf cd are recommended
適用於要求使用api sf cd規格油品的普通化油器式汽油發動機和高速四沖程渦輪增壓或自然吸氣式柴油發動機。It is shown that when the exit area of secondary nozzle and the fuel / oxidizer ratio is fixed, the increase of mass flow rate of secondary flow lead to the decrease of velocity of mixed flow, and increase of total mass flow rate. the synthetical result of these two phenomenon cause the increase of thrust of rocket ejector, but the increasing magnitude is relatively small, indicating that these is no necessary to claim large bypass ratio in rocket ejector design. in the comparison between two configurations, the typical one has better performance, indicating the importance of pressure ratio
結果表明:在固定二次噴管出口面積和氧燃比的條件下,二次流(引射空氣流)流量的增加引起混合氣體出口速度的下降和總流量的增加,二者綜合作用使發動機推力增加,但增幅不大,表明在設計發動機結構和工作參數時,不必過分追求大的引射系數;兩種結構的性能對比分析表明了增壓比對引射火箭性能的提高具有重要意義;對引射火箭的熱力循環分析同樣表明,增壓比對于提高發動機性能非常關鍵。Suitable for demanding to use generalizing oil device type four stroke turbine pressurization of gasoline engine and high speed or the breathing in type diesel engine naturally of specification oil of api sf cd
用途適用於要求使用api sf cd規格油品的普通化油器式汽油發動機和高速四沖程渦輪增壓或自然吸氣式柴油發動機。Among the engine ' s features are the twin - scroll turbocharger and the high - pressure direct petrol injection system
其中發動機的特點是雙渦旋增壓器和高壓將汽油直噴系統The results of research indicate that the pressure, the thrust and the fuel regression rate of the motor decrease while the o / f ratio increasing with the burning time lasting. the special impulse reduces when throttling
研究結果表明:壓強、推力和燃料退移速率隨發動機工作時間增加而降低,氧化劑和燃料的配比升高;節流時,發動機比沖降低。分享友人