氣門數 的英文怎麼說
中文拼音 [qìménshǔ]
氣門數
英文
number of valves-
In this experiment, adjusting the throttle to the specific position, and letting engine rotary speed change from the lowest to the highest, at the same time, the data of the water temperature, the fuel temperature, the air press and the rotary speed can be noted. moreover, we can measure the fuel quantity and the ignition angle
實驗中,調節節氣門在特定位置,並讓發動機的速度依次從最低變化到最高,同時記錄水溫、油溫、進氣壓力和轉速等數據,還可以測出相應的噴油量、點火提前角。Many researches have been done with the simulation model. it was found that some structure parameters such as the diameter of the driving piston, the diameter of the buffer piston, the stiffness of the valve spring, the compress ratio of the buffer piston, and the flux area of the solenoid valve etc. have great effect on the performance of the haecvvs. for certain performance demand of the variable vale system, there is a most suitable combination for the structure parameters
通過對電控可變氣門系統的主要結構參數,如動力活塞直徑、緩沖活塞直徑、氣門彈簧剛度、緩沖活塞實際壓縮比、電磁閥通流面積等參中壓共軌電控柴油機可變氣門系統的研究數對電控可變氣門系統啟、閉特性的影響規律的研究發現,動力活塞直徑、氣門彈簧剛度、電磁閥通流面積對電控可變氣門系統啟、閉性能起著決定性的作用,對於一定的氣門啟閉規律要求,這些結構參數存在一組最佳值。5. according to the requirement of amt start up experiment, using dynamic link library to program for different kinds of data acquisition card and transferring data between pc and multi scm. in this way data can be acquired successfully and engine throttle 、 clutch locking speed and eddycurrent dynamometer torque were controlled by pc programs
根據試驗要求,採用動態鏈接庫的方法對不同數據採集卡進行混合編程,順利地採集參數和控制發動機節氣門開度及離合器結合速度,利用上下位機多機通信,使上位機控制電渦流測功機,實現了模擬加載。The siphon type can not realized automatic measurement and data handling and the tipping bucket type dynamic accuracy is not high. at the same time, the bigger inaccuracy exists in these two kinds of measurement methods. along with the science and technology and the requirement of society development, the automation to the meteorological factor gathers and meteorological data saves and data handling have been put forward to the higher requirement
氣象部門長期使用的雨量計為虹吸式或翻斗式的,虹吸式不能實現自動測量與數據處理,翻斗式動態精度不高,同時,這兩種方法測量降雨量存在較大的誤差,隨著科技和社會發展的需求,對氣象要素的自動採集和氣象數據的自動存儲、數據處理也提出了更高的要求。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。It is the foundation of boiler burning control to find optimum excess air coefficient, in addition, it is key to adjust the damper opening and valve opening use fuzzy control algorithm according to the content signal of o2 and co in fume road
尋找最佳過量空氣系數是鍋爐燃燒控制的基礎,而鍋爐燃燒控制的關鍵是根據煙道含氧量、煙道一氧化碳含量信號,調整氣風門開度,使過量空氣系數保持在最佳值附近。The structure and characteristic of electronic throttle is introduced and a fuzzy neural network control algorithm based on gauss function is presented
本文介紹了電子節氣門的結構和特點,提出了基於模糊高斯函數神經網路的電子節氣門控制方法。This series of control box can control the quickly closing valves which in the different situations remotely through the compress air which stored in the air bottle, the air source may divide into several ways according to need
本系列控制箱通過空氣瓶儲存的壓縮空氣對不同場合的速關閥進行遙控,氣源可根據所需控制的閥門數量分為多路。The disposal of the valves and intake manifold structure not only affect fresh air charge but airflow in the cylinder, which immediately affect combustion efficiency and the performance of dynamic, economic and emission. the structure of the air distributing institution has influence on charging efficiency and the noise of engine. the combustion chamber affects compression scale which has great influence on dynamical performance ; f / v which affects the exhaust of hc ; squash area and clearance which have great influence on the intensity of squash
氣缸蓋的氣門排列方式與氣道結構形式影響進氣充量和氣流在氣缸內的運動,從而影響了燃燒效率,對整機的動力性、經濟性以及排放都有直接的影響;配氣機構的形式影響充氣系數和整機噪聲等;缸蓋燃燒室決定了影響整機動力性能的壓縮比,影響hc排放的f / v和對擠流起決定性作用的擠氣面積以及擠氣間隙,所以燃燒室對整機動力性、經濟性、排放等都有重要的影響;氣缸蓋是整機熱負荷與熱應力最大的部件之一,熱負荷過高將不利於發動機壽命以及可靠性的提高。The exhaust noise contains complex noise elements, including the exhaust noise with a base frequency measured in the number of exhausts in unit time, the resonance noise of the gas column in the pipe, the gas stream blowing noise at the exhaust manifold, the exhaust gas jetting and impact noise, the helmholtz resonance noise of the cylinder, the karman eddy noise and the turbulent noise inside the exhaust system
排氣噪聲包含了復雜的噪聲成分:以單位時間內排氣次數為基頻的排氣噪聲、管道內氣柱共振噪聲、排氣歧管處的氣流吹氣噪聲、廢氣噴注和沖擊噪聲、汽缸的亥姆霍茲共振噪聲、卡門渦流噪聲及排氣系統內部的湍流噪聲等。Temperature information from two automatic weather stations, namely nei lak shan and the peak, are now available at the hong kong observatory s regional weather websites
香港天文臺為市民提供熱門旅遊景點的天氣資料,最近在其分區天氣網頁內加入山頂及彌勒山的氣溫數據。Numerical simulation of air flow in an engine inlet port
發動機進氣門處氣體流動數值模擬In cities around the world supporting the network, heat, water, gas, liquid transportation vehicles, oil and chemical companies use large quantities china valveof valves, but stolen valves open and frequent steal off phenomenon, has become a government concern a potential safety problems
在世界各地的城市配套管網中,熱力、自來水、燃氣、液體運輸罐車、石油、化工等企業使用閥門數量巨大,但閥門被盜開和盜關現象經常發生,成為各國政府關注的一大安全隱患。3. it has been clarified that the design of ceramic rocker arm pertains to reverse design. with this understanding, this paper expatiated in detail on how to seek out the working loads and design parameters of the rocker arm in reverse order by employing computer aided reverse engineering ( care ) technology in place of the conventional calculation model
3闡明了陶瓷搖臂的設計屬于反設計,並詳細描述了運用計算機輔助反向工程( care )技術替代傳統的分析計算模型對氣門搖臂的工況載荷和設計參數進行反求的一般方法。Abstract : the simulated calculation and analysis of the fluctuation of the instantaneous speed of a diesel engine are presented. the important factors, influencing the measurement precision of the instantaneous speed, are discussed. the correct measurement method is presented. the instantaneous speeds of diesel engine are measured and processed in a laboratory condition. compared the simulated instantaneous speed with the measured instantaneous speed, the simulated result is correspondence with the measured result. the characteristic parameters and the criteria of the instantaneous speed for detecting the leakage of valves in diesel engine are provided, and diagnosis accuracy is confirmed on 4120sg diesel engine
文摘:對瞬時轉速波動進行了模擬分析計算;實測了發動機的瞬時轉速;對比了實測與模擬計算的瞬時轉速波形,兩者相當一致;討論了影響瞬時轉速測量精度的關鍵因素;提出利用瞬時轉速進行故障診斷的特徵參數及判據,並在診斷4120sg型柴油機氣門漏氣故障中得到證實The simulated calculation and analysis of the fluctuation of the instantaneous speed of a diesel engine are presented. the important factors, influencing the measurement precision of the instantaneous speed, are discussed. the correct measurement method is presented. the instantaneous speeds of diesel engine are measured and processed in a laboratory condition. compared the simulated instantaneous speed with the measured instantaneous speed, the simulated result is correspondence with the measured result. the characteristic parameters and the criteria of the instantaneous speed for detecting the leakage of valves in diesel engine are provided, and diagnosis accuracy is confirmed on 4120sg diesel engine
對瞬時轉速波動進行了模擬分析計算;實測了發動機的瞬時轉速;對比了實測與模擬計算的瞬時轉速波形,兩者相當一致;討論了影響瞬時轉速測量精度的關鍵因素;提出利用瞬時轉速進行故障診斷的特徵參數及判據,並在診斷4120sg型柴油機氣門漏氣故障中得到證實The inlet valve flow coefficient was calculated basis on the result of numerical simulation when the valve at the different lifts. compared with the experiment result, the validation of turbulent model and calculation method was proved, so utilizing cfd to calculate inlet valve flow coefficient is feasible
流量系數的數值模擬計算結果與實驗結果的比較,以及根據模擬結果對流場的分析,證明了所選用的湍流模型和計算方法的正確性,以及用cfd計算代替發動機試驗取得進氣門流量系數是可行的。The exponent of each item was discovered based on the optimizing the diagram factor, minimum radius of the cam curvature, maximum positive and negative accelerations of valve
對于每一項的指數,則採用對氣門運動加速度、豐滿系數、最小曲率半徑等優化的方法來尋求。A continuously variable transmission test bench is built. an autocontrolling software about continuously variable transmission system is developed, the data of engine throttle opening, speed ratio of cvt and load can be gathered in test bench and the system can be controlled
搭建了無級變速傳動系統實驗臺,開發了無級變速傳動自動控制軟體,在實驗臺上實現了發動機節氣門開度、無級變速器速比及載荷等數據的採集及計算機自動控制。At the same time we may observe the distribution and dispersion of flame in cylinder resulting from the air motion. this may be the most direct method to open out the internal relationship among the flow, ignition and combustion. 4
目前三維螺旋進氣道的數值研究絕大部分是在自然吸氣狀態下,即在相同的進氣壓力下,研究不同氣門升程時的流動狀態,從中找出內在的因果關系。分享友人