high-efficiency engine 中文意思是什麼

high-efficiency engine 解釋
高效率發動機
  • high : adj 1 高的〈指物,形容人的身高用 tall〉;高處的;高地的。2 高級的,高等的,高位的,重要的。3 高尚...
  • efficiency : n. 1. 功效。2. 效率;效能;實力,能力。3. 【物理學】性能。
  • 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. Meanwhile in the condition of high temperature, water vapors can participate in combustion. water gas reaction will happen, which will reduce carbon particle in flame, and reform combustion performance, so improve combustion efficiency. the article developed a kind of technology of water injection into intake ports for 4135g diesel engine, meanwhile designed a suit of water injection system

    同時在高溫條件下,水蒸汽參與燃燒,部分水分子與未完全燃燒的熾熱的炭粒發生水煤氣反應,形成可燃性氣體,從而減少了火焰中的炭粒,提高了油的燃燒程度,改善了燃燒狀況,提高了油的燃燒效率。
  2. 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。
  3. Electromotor joins with high efficiency selected water pump, scm ( single chip micyoco ) control system commands water pump according to cooling water temperature which substitutes traditional strap - driving mechanism pump and forms tael - level intellectualized control cooling system combining with electromotion control of cooling fan. consequently it realizes that water pump and fan autoregulate with engine working status and assures t hat cooling water temperature keeps in the best range all the time and advances the reliability of engine working and realizes exact control of cooling water temperature in deed

    選用高效率水泵與電機聯接,改由單片機控制系統根據冷卻水溫控制水泵的工作,代替傳統的皮帶帶動的機械水泵,結合冷卻風扇的電動控制形成兩級智能化控制的冷卻系統,從而,實現了水泵和風扇轉速隨發動機工況變化的自動調節,真正實現了冷卻水溫的精確控制,保證了冷卻水溫始終保持在最佳范圍內,大量減少傳熱損失降低油耗,並提高了發動機工作的可靠性。
  4. The use " wicks " the mold, may causeyour numerical control engine bed to complete the high accuracy, thehigh efficiency, the high grade plate work processing

    使用「威克斯」模具,可使您的數控機床完成高精度、高效率、高質量的鈑金加工。
  5. Both advantages of rocket engine and air - breathing engine are integrated into one kind of propulsion system, called rocket - based - combined - cycle ( rbcc ), which has multiple operating woke modes, including ejecting, subsonic combustion, supersonic combustion and rocket mode, with each mode operating at varying flying stage. rbcc has prominent potential of high efficiency and low cost, and so it is recognized as an advanced propulsion system of future single - stage - to - orbit reusable spacecraft and hipper - sonic missile. it has been broadly investigated in foreign countries and has been progressed into small and full - scale flying stage

    火箭基組合動力循環( rbcc , rocketbasedcombinedcycle )將傳統的火箭發動機和吸氣式發動機的優點集中組合到一個具有多種工作模態(包括引射、亞燃、超燃及火箭模態)的發動機里,在不同的飛行階段啟用不同的工作模態,因此具有大幅提高航天推進系統經濟性與高效性的潛在優勢,並可能發展成為下一代單級可重復使用航天器以及高超聲速導彈武器的動力系統。
  6. ( 9 ) by studying matching between catalytic converter and exhaust gas system, the conclusions having been gotten as follow : " purifying step by step and driving step by step " and " mental substrate and chinaware substrate being used in same engine " being the laying principles in exhaust gas system, which can solve the contradiction between high converting efficiency of exhaust emission and small loss of power, fuel economics, the rapid light - off and laying difficulty of catalyst

    ( 9 )進行了催化轉化器與排氣系統的匹配研究,對于催化劑的布置,提出了「分級凈化,逐級推動」的原則;對于載體形式的選擇,提出了「金屬載體和陶瓷載體復合」使用的原則。這樣可以良好的解訣催化轉化器與發動機匹配時,排氣污染物高凈化率與動力性經濟性損失小之間的矛盾、快速起燃和結構布置困難的矛盾。
  7. The high - speed digital signal processor is adopted and the real - time and reliability are improved greatly. the system with low - loss and high - efficiency is suitable for solar powered unmanned engine

    該系統採用高速數字信號處理器全數字化設計,其實時性好、可靠性高,並具有功耗低,效率高等特點,比較適合應用於太陽能無人飛機。
  8. As we all know, the back - pressure valve ( also called evaporating pressure regulator ) is often used to regulate the evaporating temperature of every high - temperature refrigeratory in the system containing many different temperatures but single engine of the ship. but it is neglected that the energy of the system is lost and the efficiency of the system becomes low

    眾所周知船舶單機多庫(簡稱為高、低溫冷庫)系統中,常用背壓閥(蒸發壓力調節閥)來調節各高溫庫的蒸發溫度,但忽略了系統無形損耗的能量,效率也有所下降。
  9. Because a hybrid ' s battery and motor can provide the boost required for acceleration or hill climbing, engineers can both downsize the car ' s engine and optimize it to run only at high - efficiency operating points that burn much less gas

    由於混合車的電池和馬達可提供加速或爬坡所需的額外馬力,因此工程師可以縮小引擎,設計讓引擎只在耗油率最低的高效率運作點附近運轉。
  10. Due to the relatively high thermal efficiency and operation reliability, diesel engines will still be the main engine in the near future

    由於具有較高的熱效率和可靠性,柴油機是最主要的船舶主機,在未來的20年或更長的時間內,這種狀況不會得到太大的改變。
  11. Moreover, it has been pointed out that the hydrogen engine used in ? cylinder injection with high pressure can increase volumetric efficiency and compression ratio, - therefore, the performance indexes in this engine, such as output power, thermal efficiency, range of thickness of mixture with normal operation and nox emission, can be improved, and it is possible for the engine to realize rapid combustion of thin mixture, so abnormal combustion, such as backfire, pre ? ignition, can be controlled effectively

    指出了採用內部混合氣形成方式且高壓噴射的氫發動機,有利於提高充氣效率和壓縮比,從而改善發動機的動力性和經濟性;有利於擴展發動機正常工作的濃度范圍;並且有利於實現稀薄混合氣快速燃燒,從而可以有效地抑制早燃、回火及爆燃等異常燃燒和no _ x排放量。試驗指出了發動機的點火正時、噴射正時及噴氫量對發動機的性能、異常燃燒、 no _ x排放量有很大影響。
  12. This system is set up on the existing search engine foundations through web services " technology, has solved variety and non - structural web data with xml technology, has formed web multi - level data base, and constructed the system structure in high performance of data warehouse, utilized midas technology to form the high - performance index storehouse structure, has remedied the deficiency of search engines at coverage, accuracy etc, and improved efficiency of information retrieval

    該系統通過webservices技術,建立在現有搜索引擎基礎之上,以xml技術解決了多樣性和非結構性的web數據轉換,形成了web多層次數據庫,利用了web挖掘面向結構化或半結構化數據的智能化數據抽取和知識發現過程,並且構造了數據倉庫的高性能查詢體系結構? hpqs ,利用midas技術形成了高性能索引庫結構,彌補了當前搜索引擎在覆蓋范圍、準確率、復雜查詢語言的使用和結果表現方式等方面的不足,改善了信息檢索的效率。
  13. With the increase of the tonnage and power of ocean - going ship, more and more attentions are paid to the match among vessel, main engine and propeller by shipping and shipbuilding world. thus the research for high - efficiency propeller becomes of one important project in the field of science and technology

    隨著海洋運輸船舶的噸位和功率不斷增長,船舶推進系統中船機槳配合研究越來越受到世界造船業和航運業的重視,成為船舶科技領域的重要課題之一。
  14. With fast development of our country " s gas industry and air ' s increasingly serious contamination in city, using gas instead of coal and supplying energy in high efficiency and cleanliness has become necessary way in city. there are different problems in the current heating ( air conditioning ) systems. in the cogeneration system, heat and power affect each other, heating - pump heating ( aie conditioning ) system can not satisfy the peak load very well, the cost of gas fuel in boilor heating sestem is so high. the high generating efficiency of the diesel - engine two - sourse heating ( air conditioning ) systems is limited in range of 100kw - 1000kw, the heating scope is so limited. combined cycle of two sourse heating ( air conditioning ) system is most suitable selection to buesness community with big scope my paper aim at this syetem ' s primary question when it is applied in our country - - - - bringing project into execution and technology economy feasibility and off - design performence, combined with a certain demonstrating project in beijing buesness community, going along with calculating and analyzing, drawing out some efficient datas and conclusions, based on this, bringing out primary alements affecting combined cycle of two sourse heating ( air conditioning ) system " economics

    熱電聯產系統熱電相互牽連,熱泵供暖(空調)系統不容易很好地滿足尖峰負荷,鍋爐供暖系統供熱中天然氣燃料構成的成本過高,內燃機雙源供暖(空調)系統的高發電效率僅限於100kw - 1000kw負荷范圍,供熱面積有限。對于大面積的商業園區、居民小區,燃燒天然氣的燃氣-蒸汽聯合循環雙源供暖(空調)系統是最佳選擇之一。本論文針對該系統在我國應用時的主要問題- - -方案的技術實施與技術經濟可行性,結合北京某一商業園區示範工程,進行了系統的計算與分析,得到了有效的數據與結論,在此基礎上,提出影響聯合循環雙源供暖(空調)系統經濟性的主要因素,並進行敏感性分析,得出有益的結論;最後通過各種供暖方案的比較分析回答了某些人對該系統的疑慮和不解,並指出系統的優化方向。
  15. This new technology changes from the traditional method by which the induced and compressor wheel separately are designed and produced to a new one by which the one - piece compressor is designed. on the basis of this new technology and the optimum blade profile, the performance of both the compressor and the turbocharger is largely improved. through the heating power calculation of the compressor, the analysis of the surge and the block of the compressor, the test - bed performance test of the turbocharger, the matching test of turbocharger and diesel engine, the propulsion test of the turbocharger on plateau condition, it is proved that the newly - designed compressor not only has high efficiency, but also improves the flow distribution in the high efficiency area so that the propulsion line can run through the high efficiency area

    主要內容包括:提出一種全新的壓氣機葉輪技術和概念,這種技術將傳統的導風輪和壓氣機分開設計、單獨加工改為整體設計、整體加工的單體葉輪;從增壓器與柴油機配機計算所得出的基本參數出發,通過對壓氣機進行熱力計算,確定壓氣機的基本結構參數;再對葉型以及葉輪輪廓與葉輪罩殼的配合間隙進行優化,對新設計的壓氣機進行喘振和堵塞分析;通過增壓器平臺性能試驗,驗證了新設計的壓氣機的性能水平得到了較大的提高,達到了提高增壓器的整體性能水平的目的;通過增壓器與柴油機配機試驗、以及增壓器用於高原條件下的牽引試驗,驗證了新設計的壓氣機不但具有高效率,還改善了高效率區的流量分佈,使牽引特性線貫穿高效率區。
  16. High efficiency liquid cooling system for optimum engine operating temperature - includes compact liquid cooled oil cooler

    高效率的液冷卻系統為引擎提供了最佳的工作溫度?他甚至還包含了一個緊湊的機油冷卻器。
  17. Engine : adopt good quality famous - brand engines, with ip54 pretection grade, f grad isolation, smooth lubrication and high efficiency, which could also separately designed according to special requirements of users

    電動機:採用優質品牌電動機,防護等級ip54 ,絕緣等級f級,脂潤滑,高效率,也可根據用戶的特殊要求另行設計。
  18. It is electronic inverter that realizes constant frequency output. so the power system has advantages of facile maintenance, high quality of output, high efficiency, flexible structure et cetera, and makes both start engine and generating electrical power dual function possible. now it has become an important research direction of aero - power

    由於採用電子裝置來實現輸出頻率的恆定,因此電源系統具有易於維護、電源質量高、效率高、結構靈活等優點,並能實現起動發電雙功能,目前已成為航空電源中一個重要的研究發展方向,而且隨著電力電子技術與元器件生產工藝的不斷發展,變速恆頻電源具有廣闊的發展前景。
  19. This controlling way can make the passengers feel much comfortable and make the bus air - conditions work with a high efficiency. in this thesis, a single - chip microcomputer fuzzy controlling system with mcu : at89c51 is designed to deal with the bus whole air - condition composed with refrigerating system and heating system. via controlling the open of temperature door, turnaround speed of evaporator fan and subsidiary engine, it can control temperature of railway carriage

    本論文針對獨立式全空調型(完全合一型)客車空調系統,設計了一個以at89c51為核心的採用模糊控制演算法的嵌入式單片機控制系統,通過控制溫度門的開口角度、蒸發器風扇的轉速、輔助發動機的轉速來控制車廂內的溫度,通過壓縮機的開、停對蒸發器除霜,系統具有溫度顯示、用戶設定的分擋多級溫度控制、在線控制參數修改等功能。
  20. The main features of the system are as follows : ( 1 ) there is no direct mechanical connection between engine and wheel, so the engine can be adjusted to work at high efficiency zone. ( 2 ) the power of the engine can be transmitted to driving axle directly by the electromagnetic force, and only part of power is converted from mechanical energy into electric energy, so the power losses in energy conversion can be reduced. ( 3 ) the system can also operate as electronic continuously variable transmission

    其特點是:發動機獨立於車輪運轉,可始終在高效區工作;發動機的動力主要通過電磁力直接傳給驅動橋,僅有少部分動力經過機械能電能機械能的轉換,降低了能量轉換過程中的損失;且該系統兼備無級變速器的功能。
分享友人