low speed engine 中文意思是什麼

low speed engine 解釋
低速發動機
  • low : adj 1 低的;淺的,矮的。 low flight 低飛。 a low temperature 低溫。 low tide [water] 低潮。 The g...
  • speed : n 1 快,迅速。2 速率,速度。3 (汽車的)變速器,排擋。4 (膠片,照相紙)感光速度。5 〈古語〉興隆...
  • engine : n. 1. 機械,機器。2. 引擎,蒸汽機,發動機。3. 機車,車頭。4. 工具;〈古語〉方法,手段。vt. 給…安裝發動機。
  1. Analysis of low - speed of engine of thread - type borer in altiplano area

    旋挖鉆機發動機高原掉轉分析
  2. These can provide consult for the performance ' s analysis of the type of diesel engine. besides, the author synthetically analysizes it ' s fuel - economy and exhaust emission characteristic, including three areas ( low, medium and high speed conditions ), and makes a conclusion that the diesel engine has superiority to be matched with the camion and mobile machinery shop

    另外,還對該型柴油機的燃油經濟性與排放特性進行綜合分析,全面分析了該柴油機常用功率范圍內的三個工況區域(低速工況、中間轉速工況、高速工況)的經濟性與排放性能,得出該柴油機與載重及工程用車配套具有優越性的結論。
  3. Finally, because high - speed power solenoid valve is one of the most important executive parts in the electronic control diesel engine and the performances of diesel engine are strongly related to the solenoid valve, the response performance of the solenoid valve is investigated. the response performance of the solenoid is influenced by many factors, such as driving voltage, electric driving unit etc. in order to have high excitation voltage and in low maintaining voltage, a high - low voltage electric driving unit is designed, and in order to make the solenoid valve close more rapidly, an active free - wheeling circuit and a bootstrapping circuit are designed in the electric driving unit, too. in the high - low electric driving unit, high voltage and low voltage are supplied by the dc - dc device and by the accumulator respectively

    高速強力電磁閥的響應性能除了與閥本身的結構和材料有關外,與驅動電壓、驅動電路的設計密切相關,本文通過分析,首先開發出一種高低壓驅動電路,高壓電源是山升壓式dc - dc原理獲取的,低壓由蓄電池本身提供,實現高壓強激和低壓維持的功能,電路中採用有源續流電柴汕機中卜軌知介系統的設訓及其七川j敝略的叭究路進行續流,加誣了電磁閥的關閉速度;採用自舉吐路,降低了場效應管對驅動電壓的要求。
  4. A mathematic model of the motor is builded and emulated through matlab. the low - speed and constant - torque, high - speed and constant - power state is analyzed and researched, also the software approach of simulation to the driver has been done, a digital signal processor tms320lf2407 is developed successfully to control the perm square - wave bldcm driving airscrew of solar powered unmanned engine. it is useful to the further study

    在matlab下建立了電機的數學模型,通過計算機模擬,驗證了數學模型的正確性,同時在理論上對低速恆轉矩高速恆功率運行進行了分析與研究,提出了一種用模糊控制的方法實現恆功率控制,並對驅動器進行了系統模擬,成功的研製了以數字信號處理控制器tms320lf2407為控制核心的驅動器,控制無刷直流電動機驅動太陽能無人飛機的螺旋槳,為後面繼續研究工作提供了參考。
  5. The concept of the optimize design is proposed and its mathematic foundation is analyzed in this paper. after comparing several optical calculation methods, the one that is suitable for the lubricating system is chosen and analyzed in detail about its concept, characteristic and some focal points. meanwhile, combining with the analysis of the relationship among the parts and structure of marine low - speed diesel lubricating system, the internal disciplinary, other pipeline system and main engine, aiming at reducing the initial investment and the running cost in a certain years, the mathematic model of the system is built and the object function and subjected conditions are set up

    本課題闡述了最優化設計的概念,分析了最優化設計問題的數學基礎,比較了約束多維問題的幾種優化方法,選取了適合於潤滑油系統的優化設計方式,並對該方式的概念、特點及其應注意的問題進行了較詳細的分析;同時,結合海船低速柴油機潤滑油系統的組成部件及其結構以及潤滑油系統內部規律與其它管路系統、船舶主機的關系的分析,從經濟性的角度,以設備初投資及其在一定年限內的耗能費最低為目標,建立了本系統優化設計的數學模型,確立了目標函數和約束條件。
  6. The results for two equations were analyzed and compared, which showed that the gyro effect of the crankshaft system could be ignored for low rotating - speed engine and it should be considered for higher rotating - speed engine

    結果表明,對于低轉速發動機,曲軸轉動的陀螺效應不明顯,而對于高轉速的發動機,陀螺效應不能忽略,應以考慮陀螺力矩的方程為基礎進行設計分析。
  7. A method based on the application of an injection process analysis software is introduced in this article, which optimize injection process through changing the design of fuel - injection pump cam. a model of 1115 single cylinder direct injection diesel engine is used as an example. with the help of pre - journey optimization, increasing cam lift and using tangent - function can make the matching of the injection system with the diesel more reasonable. without changing fuel pump installing size, it can enhance injection rate and injection pressure and improve the diesel operating stability in low speed condition

    本文以國產1115型單缸直噴柴油機為例,介紹一種應用噴油過程分析軟體改進噴油泵凸輪設計的方法,通過增大噴油泵凸輪升程、採用切線函數凸輪並優化預行程的方式,在不改變噴油泵安裝尺寸的前提下,可提高噴油壓力和噴油速率,改善柴油機低速工作穩定性,使噴油系統與柴油機匹配更合理。
  8. This noncontact distributor assembly, which deletes mechanical breaker contact, utilizes ic ignition module assembly free of burn out of contact. therefore it has a higher ignition voltage, higher ignition volume, as well as functions of overvoltage protection, low speed & low voltage protection and power cut upon shut down. these functions are of benefit to improvement to the motive performance, economical efficiency and start up ability of engine while reduce waste exhaust

    該無觸點分電器總成取消了機械斷電器觸點,採用了集成電路組成的點火模塊總成,不存在觸點的燒蝕,因此點火電壓高,點火能量大,並具有過壓保護、低速低壓啟動、停車斷電等多項功能,有利於改善發動機的動力性,經濟性和起動性能,減少了排氣污染。
  9. Rta52u type two stroke low speed marine diesel engine is developed from the basis of its mother model engine by applying current the lastest technology in ameliorating, advancing and strengthening method. and it is the one of the most advanced marine low speed diesel engines

    Rta52u型船用二沖程低速柴油機是在母型機的基礎上應用當前最新技術,通過改進、提高和強化手段而發展成的新系列產品,為目前世界上先進的船用低速柴油機之一。
  10. The control algorithms of both traditional and intelligent main - engine speed regulator are emphatically discussed in the thesis. the author established an simplified integrated mathematical model for marine main diesel engine, screw propeller and axis series with the mother type of large low speed diesel man b & w. the digital simulations for pi speed regulator are completed

    本文討論了主機速度控制的兩種實現方法;論文以實船應用的manb & w大型低速柴油機為母型,建立了柴油主機、螺旋槳、軸系一體化的簡化數學模型,並對常規柴油主機pi調速系統進行了數字模擬。
  11. Ejectorjet is the alternative power of rbcc during low - speed operation. the utilization of ejectorjet will be important for structural integration, and will decrease weight and complexity of the engine

    引射火箭模態用於rbcc發動機起飛低速階段,對于實現rbcc結構一體化、減輕結構重量和系統復雜度具有重要的意義。
  12. The major drawback is its weak performance in low - speed so it will work with other type engine

    但其也有致命缺點,低速性能極差,必須藉助其他動力聯合工作。
  13. To study the aircraft - engine stability assessing technology about total - press distortion, four different structure insert - boards and testing schemes are designed, based on the technology of russian insert - board distortion and assessing compressor stability of english and usa. the low speed compressor ( lsc ) at college of energy and power in nuaa is used to carry out the all insert - board distortion experiments studies

    為了能夠更清楚地認識俄羅斯關于總壓畸變下的航空發動機穩定性評定的技術,本文在了解俄羅斯插板畸變試驗技術和英美等國家的穩定性評定技術的基礎上,設計了4塊不同結構形式的插板畸變擾流器裝置及試驗測量方案,利用南京航空航天大學能源與動力學院的低速大尺寸軸流壓氣機( lsc )試驗器,完成了各插板的畸變試驗。
  14. But there are some problems in normal turbocharger, for example, the low speed engine torque is deficiency, the engine ca n ' t works with full capacity when in part load, the transient response remains slow, to improve all the above, the variable geometry turbocharger ( vgt ) comes out to be an effective way

    由於常規渦輪增壓存在低速轉矩不足、部分負荷經濟性差和瞬態響應遲緩的問題,而採用可變幾何截面渦輪增壓是解決這些問題比較有效的方案。本文以vgt60增壓器和yn4100qbz柴油機為研究對象,開發了可變幾何截面增壓器電控系統硬體。
  15. At low speed the cooling fan noise is much lower than the engine noise ; whilst at high speed it always tops the leading noise sources

    在低速時風扇噪聲要比發動機噪聲低很多,而在高速時,往往會成為主要的噪聲源。
  16. The task in the open loop system is to get lpg injection duty ratio in pre - set two dimension map according to practical engine operation condition, while the task in the closed - loop system is to calculate lpg injection duty ratio by the approaching increment method or the proportion and integral ( pi ) controller according to the signal of the oxygen sensor. to eliminate the oscillation phenomena of the signal of the oxygen sensor in low - speed condition, this paper develops the stable increment method

    開環階段根據實時工況參數對事先制取的噴氣占空比map圖執行取值操作;閉環階段根據氧傳感器反饋信號通過增量逼近法或pi環節計算輸出適合即時工況的噴氣占空比值;為解決低速振蕩現象,本文運用固定增量法,對系統進行低速振蕩微調。
  17. Film cooling of the surface of a gas turbine blade was studied in a large - scale low - speed opening wind tunnel according to actual requirement of the design of aero - engine. the surface of a gas turbine blade was cooled by cylindrical holes in the experiment, with the hole number of fifteen in stator and eight in rotor

    應航空發動機設計的要求,在大尺寸低速葉柵傳熱風洞中分別對發動機渦輪導向葉片和動葉表面的氣膜冷卻特性進行了研究,具體研究在不同氣膜孔出流時,在不同主流雷諾數和吹風比情況下葉片表面局部換熱系數的分佈規律。
  18. The valve seating velocity in the haecvvs was found to be lower under conditions of high and low speed of the diesel engine. and it was found that the haecvvs could work steadily

    對電控可變氣門系統中氣門的運動速度進行了研究,發現在高、低轉速時,電控可變氣門系統均具有氣門落座速度低的特點。
  19. The first rta52u type diesel engine developing and manufacture successful are marked as the marine low speed engine manufacture has jumped a new step, it can not only accelerate the advancing of diesel technical leave, but also push the development of the shipbuilding. while it is getting better economy benefit, also gaining far - reaching society benefit

    首臺rta52l機型的研製成功標志著造機水平己更上了一個新臺級,它不僅促進了柴油機技術水平的提高,也推動了造船業的發展,在獲得較好經濟效益的同時,也馭得了深遠的社會效益。
  20. Erecting specifications for marine low - speed diesel engine

    船用低速柴油機安裝技術要求
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