余氣系數 的英文怎麼說

中文拼音 [yúqìxìshǔ]
余氣系數 英文
excess air coefficient
  • 余 : Ⅰ動詞（剩下） remain; leave: 9減4 余 5。 nine minus four is five ; four from nine leaves five ; i...
  • 氣 : Ⅰ名詞1 （氣體） gas 2 （空氣） air 3 （氣息） breath 4 （自然界冷熱陰晴等現象） weather 5 （氣味...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 余氣 : residual air
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. A new method is put forward on thermodynamics combustion model to make imitating research on egr - a software is made to calculate the amount of no from the gasoline by connecting with the practical condition in our country, starting with thermodynamics and experiment at the same time make a system research to influence by the exhaust gas returning system on the gasoline, such as exhaust gas, fuel economy, and power, finally a new thought is afforded for optimizing all the egr parameter in chapter 6

    第五章採用上述診斷和預測模型對bj492q發動機進行了模擬計算和實驗研究，並探討了點火提前角、殘余廢氣系數、燃空比、壓縮比和火花塞位置對發動機性能的影響。第六章提出了基於熱力學燃燒模型對egr進行數值模擬的方法，系統地研究了車用汽油機加裝egr系統后對排放、油耗、功率的影響，並結合排放標準。提出了egr參數的全局優化的新思路。
  2. Since being assistant chief engineer, i have been in charge of checking an electric drawings and coordinating relationship between special professions. i have completed hundreds of electric designs of industrial and civil architecture independently, including 14 items of engineerings of the guanyin airport. i was invited to examine and verify preliminary design of more than ten projects, such as the station building of the guanyin airport and the 80, 000m ^ 2 xuzhou international department store and so on. i also participated in checking the standard drawing for electric in jiangsu province

    任院副總工程師以來，負責全部電氣圖紙的審定協調各專業之間的關系，多次處理工程施工中的重大問題，獨立完成工業、民用建築電氣的設計數百項主持了觀音機場十四項配套工程的設計，參予了觀音機場航站、航管樓，徐州國際商廈（ 8萬平方米）等十余項工程的初步設計審定，參予江蘇省電氣標準圖的審定，具有較豐富的實踐經驗。
  3. In the paper, some key technique such as low - order modes correction for wave - front error, normalized phase power spectrum, atmospheric turbulent phase structure function, the residual phase structure function after low - order correction and strehl ratio are all analyzed

    提出了利用自適應光學系統校正低階模式波前誤差的方法與理論依據，引入規格化的相位譜，推導了大氣湍流相位結構函數、低階模式校正後的殘余相位結構函數以及斯特列爾比。
  4. In order to investigate the influence of characteristics parameters on detonation wave in a two - phase pulse detonation engine model. the peak detonation pressures and average velocities of two - phase pulsed detonation wave produced by pde model using gasoline as fuel and air as oxidizer under various ignition frequencies and various mixture ratios are measured systematically, and the relations influencing them are analyzed

    為了探索氣-液兩相脈沖爆震發動機模型內特徵參數對產生爆震波的影響規律，系統地測試了以汽油為燃料、以空氣為氧化劑的氣-液兩相脈沖爆震發動機模型在不同點火頻率及不同余氣系數下爆震波的峰值壓力以及平均爆震波速，並對其變化進行了分析。
  5. Discussed taking advance condensation heat of water in waste fume. at the same time, the water can absorbed several pollutants in waste fume

    對比了不同空氣系數下，不同排煙溫度時的余熱回收溫度效率，探討了利用燃燒過程中生成水的冷凝熱及其對污染物的吸收作用。
  6. The water displacement experiment of carboniferous gas showed that under normal pressure natural gas in subsurface reservoir is difficult to migrate into minor pores and displaced water out the pores in reservoir

    石炭系儲層氣驅水實驗表明，巖石滲透率與驅替后殘余水飽和度呈負相關指數關系。
  7. On the basis of above experiments, the chemical kinetic model inwhich organic matter of source rock of deep - formation in the north of songliao basin primarily crack into oil or gas is established, which set up a basis for evaluating oil - generating amount, gas - generating amount of source rock of deep formation in different periods ; set up the chemical kinetic model inwhich different qualities of oil and family constituents in oil secondarily cracked into gas, which provide theoretical foundation and practical methods for dynamic evaluation of gas - generating amount and oil - consuming amount in process of oil cracking. the geochemical features of source rocks in deep - formation of basins are systematically evaluated

    在上述實驗基礎上，建立了松遼盆地北部深層源巖有機質初次裂解成油、成氣的化學動力學模型，為評價深層源巖于不同時期的生油量、生氣量奠定了基礎；建立了不同性質原油及原油中各族組分二次裂解成氣的化學動力學模型，為動態評價油裂解過程的成氣量和耗油量提供了理論依據和實用方法；對盆地深層源巖的地化特徵進行了系統評價；考慮到深層源巖的成熟度較高，實測地化指標（殘余有機碳、氫指數等）不能客觀反映源巖有機質的原始豐度和原始生烴潛力。
  8. I t owns international - advanced cross - linked cable production lines at rated voltage up to 500kv in the 1990 s, rubber cable line of 35kv, ship and mineral cable line, optical fiber cable for communication use and data cable line, extra - high voltage cable testing device, with which bare wires, electric power cable for electric equipment, power cable and distribution air reinforced insulated generatrix slot, 5, 6, and 7 data and digital cable with 6 classes, hundreds of series and tens of thousands of specifications

    集團擁有國際90年代先進水平的500kv及以下8條交聯電纜生產線， 35kv橡纜生產線、船用、礦用電纜生產線、光纜、數據纜生產線以及光纜、超高壓電纜檢測裝置，能生產裸電線、電氣裝備電線電纜、電力電纜、配電類空氣加強絕緣型母線槽， 5 、 6 、 7類數據纜、光纜共六大類、百余個系列、萬余種規格的產品。
  9. This essay has touched upon the following work : 1. has built up theoretic models including static mathematic models of air compressor, combustion chamber, gas turbine, waste heat recovery boiler and steam turbine which are deduced according to the feature and theory of the equipment of the object of study. upon establishment of each model based on the actual conditions, a method of multiple imitation and combination is applied to parts which have already got characteristic curves to have achieved quite accurate curves whilst the method of neural net is applied to the parts which have no characteristic curves for establishment of models

    本文進行了以下的主要工作：建立理論模型，根據對象的實際設備的特點和理論關系推導壓氣機、燃燒室、燃氣輪機、余熱鍋爐、汽輪機的靜態數學模型；根據本研究的實際情況，在建立各部件模型時，對已有特性曲線的部件，採用多項式擬合的方法，得到較為準確的特性，而對部分沒有曲線的特性，則採用神經網路的方法建立模型。
  10. The experimental results have shown that for a given length of pde model the performance of pde model decreases with increase of and the ignition frequency is equal to the pulse detonation frequency

    通過分析實驗結果發現，當余氣系數增大時，爆震波發動機性能下降，在爆震室長度一定時，點火頻率等於脈沖爆震頻率。
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