排氣制動 的英文怎麼說
中文拼音 [bèiqìzhìdòng]
排氣制動
英文
exhaust brake-
Petrol, efi engine, high roof, auto door ( gliding type ), clock, air conditioner, amfm radio & cassette wmicrophone, rear under mirror, rear window defogger, curtain, 30 seater with passenger seat belt, bag rack, full wheel cap, high mount stop lamp, refrigerator ( c ) brand new toyota lhd coaster 29 seats, diesel
,汽油,電子燃油噴射發動機,高頂,手動波,自動門(飛機門) ,鐘,原廠空調,收錄機連咪,尾鏡,尾發熱線,窗簾,乘客座位安全帶,行李架,大轆cap ,尾高掛剎車燈,冰箱,排氣規制對應發動機,車尾霧燈,緊急用具(錘子) ,尾輪胎強化5 - speed manual transmission, efi gasoline, high roof, high roof 26 seater with passenger seat belt, automatic door ( fliding type ), clock, air conditioner, amfm radio & cassette wmicrophone, rear under mirror, rear window defogger, curtain, baggege rack, full wheel cap, high mount stop lamp, refrigerator, china standard specification
,中國規格,汽油,高頂,手動波,飛機門,鐘,原廠空調,收音錄音機連咪,尾鏡,尾發熱線,窗簾,乘客座位安全帶,行李架,大轆cap ,尾高掛剎車燈,電冰箱,排氣規制對應發動機,車尾霧燈,緊急用具(錘子) ,尾輪胎強化New sports exhaust system with electronic programmable butterfly - valve control ( available in 2different sound levels ). this cat - back performance exhaust system was developed on the dyno
新的運動型排氣系統由可編程的蝴蝶閥控制(有兩檔可以調節聲音的大小) ,使這個貓背式排氣系統的功效發揮到了極致。Long - hole and geometrical proportion type of mixing unit is finally adapted in lpg supply system, and power and torque output of lpg engine are improved by increasing compression ratio, and ignition characteristic is tried to adjusted to satisfy engine performance. meantime emission performance and noise level of lpg engine at full - throttle and other various part - throttle operations are tested and compared with former gasoline engine. ( 3 ) it is verified by engine dyno tests that lpg engine has better synthesized performance at aspects of power and torque, fuel economy, as well as emission than former gasoline engine
選擇了等比例長孔式混合器控制空燃比;通過提高壓縮比來彌補動力性的損失;以動力性為主控目標,對最大功率點、最大扭矩點、中等轉速、最低轉速點所對應的發動機轉速做了點火特性的調節;通過空燃比的合理控制,直接改善發動機的動力性、經濟和排放指標;作為對缸內燃燒過程的理論分析,進行了燃燒特性的實驗測試;對原汽油機和新開發的液化石油氣發動機,進行了外特性和部分負荷特性以及怠速的排放及噪聲對比性測試。For the manifold of sedan engine, the hest thermal fatigue properties can be obtained by keeping the percent of vermicular graphite at about 50 %, therefore it shouldn ' t he considered that the lowest e. g. percent limit of 50 % specified in chinese vermicular iron standard is too lower, and it is also not proper to take the v. g. percent as the basis for judging the level of production technology
摘要對轎車發動機排氣歧管而言,蠕化率控制在50 %左右可以獲得最佳的抗熱疲勞性能,因此不能認為我國的蠕鐵標準中規定的蠕化率高於50 %的要求偏低了,也不能把蠕化率的高低作為衡量工藝水平的依據。In many engines, the thermostat is located in a well in the intake or exhaust manifold.
在很多發動機內,恆溫控制器裝在進氣岐管或排氣岐管的空腔中。Principal conclusions were drawn as the following : the non compatibility of pressure or velocity of the gas on both sides of the contact surface is the cause of the formation of shock wave ; the heating effect of reflective shock wave to driving gas during charging or exhausting process is the internal mechanism of peak oscillating effect, and all the factors that influence the formation and the running of the shock wave will influence the peak oscillating frequency, cooling effect
主要結論如下:熱分離機內激波形成的原因是射氣瞬間接觸面兩側壓力和速度不相容;峰值振蕩效應的內在機制為反射激波對充氣階段的驅動氣或低溫排氣的加熱,凡是影響激波形成及運動的因素都將對峰值振蕩頻率、冷效應及熱效應產生影響;當充、排氣時間比為0 . 1763時,最佳射流激勵頻率出現在高階峰值振蕩頻率上。Thereby this paper puts forward four ways to reduce no, emissions : reduction of the highest combustion temperature, fuel emulsification, exhaust gas recirculation and selective catalytic reduction. according to the marpol convention, no, emissions are defined as per engine power of nox mass flow rate
Marpol公約附則規定的no _ x的排放標準為柴油機單位制動功率排氣中no _ x的質量流量(單位: g kw ? h ) ,因此要想對被測試的柴油機的no _ x排放進行判定,必須得到排氣中no _ x的質量流量和柴油機的制動功率。Road vehicles. measurement methods for gaseous pollutants emitted by mopeds equipped with a controlled ignition engine
道路車輛.由裝有控制點火發動機的機動腳踏兩用車排氣的氣體污染物的測量方法This paper analyzes the forming principle, effecting factors and controlling measures of poisonous gas of exhaust emission from petrol engine for vehicle fully and accurately. after the comparison on the emission control measures, it is clear that there is a trade - off relation between emission control and power, torque, fuel consumption of engine. " efi + catalytic converter " is a integration measure of in - engine and out - engine, which is a mainstream technology of emission control for petrol engine for vehicle
本文通過大量的文獻閱讀,翔實的分析了車用汽油機排氣中有害氣體成分的產生機理、影響生成的主要因素、治理排氣污染物的主要技術措施,指出這些措施與發動機的其他性能(如動力性、經濟性等)的一種折中關系,只有「電控噴射+排氣催化轉化」是一種機內與機外相結合的措施,是控制車用汽油機排放的主流技術。During the process of measuring valve phase, the grating displacement sensor and photoelectric axis - angle encoder are applied to measure the displacement of valve and the angle of curving shaft respectively. their signals are sampled and imported into computer. then the three signals are compared to find the relationship of valve phases in order to offer the reliable measuring parameters for the researchers and quality controllers
在氣門相位測量中,採用光柵位移傳感器和光電軸角編碼器,分別將發動機進、排氣門位移量和曲軸旋轉位移量的變化信號通過采樣,輸入計算機,對三路信號加以比較找出氣門的相位關系,從而為設計開發人員、品質控制人員提供可靠的測量參數。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。Taking into consideration the weak points of mufflers of the present rock drills and by analyzing the working characteristic and the noise mechanism, the author has put forward the method to control and reduce the noise, and trial - produced more effective and practical device of mufflers
摘要針對現有風動鑿巖機消聲器的缺點,從鑿巖機的工作特性和噪聲機理分析入手,提出降低噪聲的控制方法,並研製高效實用的排氣消聲裝置。Another early approach to controlling exhaust emissions was the engine modification, or controlled-combustion system.
另一種早期的控制排氣污染的途徑是發動機調整或控制燃燒系統。Typical applications include manifold absolute pressure ( map ), barometric, egr pressure and brake boost
主要用於進氣歧管絕壓、大氣壓力、排氣再循環閥( egr )壓力和制動泵壓力測量。Exhaust gas oxygen sensor ( ego ) which is installed in the exhaust pipe of the engine is a significant component in the electronic fuel injection. it has the ability to probe the concentration of oxygen in the exhaust pipe, and can transfer concentration signal to voltage signal which is passed to electronic control unit ( ecu ). in this way the air - fuel ratio can be controlled to the strait range of stoichiometrical point and the three - way catalytic converter consequently can work better
車用氧傳感器是電噴系統的關鍵部件,安裝在發動機的排氣管上,能夠探測排氣管中的氧氣的濃度,然後將濃度信號轉變成電壓信號並傳送給電控單元ecu ,從而把空燃比控制在理論空燃比附近,配合三元催化反應器進行后處理凈化。Engine, the fuel consumption decreases by about 19. 1 %. on the other hand, the fuel consumption of quasi - homogenous mixture lean combustion decreases by about 6. 5 % compared with homogenous lean mixture combustion. three - ways catalyst ( twc ) + optimizing afr technology is used to remove nox emissions in oxygen containing exhaust gas
本研究運用三效催化器+空燃比優化控制技術,利用三效催化器能一定程度降低nox排放的特點,控制發動機在優化空燃比下工作,將稀燃後排氣中剩餘不多的nox進一步催化。Engine operating conditions cold be changed quickly and are very bad sometimes, such as : from suddenly cranking to driving in winter, acceleration to sudden torque demand. in the light of zero emission vehicles, in order to achieve better hot efficiency, maximum power, higher safety and best emission, engine controls become more and more difficult. automotive engines are typical nonlinear, time - delay, time - varying parameter systems
汽車發動機使用環境變化大,使用條件有時非常惡劣,從寒冷的冬天突然啟動進入行駛狀態,行駛過程中的突然加速,急劇的扭矩變化等等,在這樣的條件下,為了使其熱效率、輸出功率、行駛性、安全性和排氣清潔性處于最佳狀態,給汽車發動機的控制帶來了極大的困難,特別是零排放汽車排放標準的提出,對發動機控制提出了更高的要求。Hand - held motor - operated electric tools ; exhaust spigots ; connecting dimensions
手持的電機控制的電動工具.排氣套管.連接尺寸The results show that the exhaust duct, the exhaust plume and the ship hull are the three main ir radiation sources on naval ship which are the main objects to be controlled, and that the control techniques for the ship hull, the active cooling technology is one of the ideal control strategies
結果表明:煙囪管壁、排氣煙羽和艦船表面是艦船的三大紅外輻射源,是艦船紅外輻射的主要控制對象;針對艦船表面的紅外輻射,主動冷卻技術則是較為理想的控制策略之一。分享友人