燃油過量系數 的英文怎麼說

中文拼音 [rányóuguòliángxìshǔ]
燃油過量系數 英文
afer air-fuel equivalence ratio
  • 燃 : 動詞1. （燃燒） burn 2. （引火點著） ignite; light
  • 油 : Ⅰ名詞1 （脂肪; 油脂） oil; fat; grease 2 （姓氏） a surname Ⅱ動詞1 （用桐油、油漆等塗抹） apply t...
  • 過 : 過Ⅰ動詞[口語] （超越） go beyond the limit; undue; excessiveⅡ名詞（姓氏） a surname
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 燃油 : fuel oil燃油艙 [船舶工程] oil bunker; oil fuel tank; 燃油閥 fuel valve; 燃油鍋爐 oil burning boil...
  • 過量 : excessive; overdose; surfeit; excess; overmeasure; overage; bellyful
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. Engine parameter acquisition display system is an important member of helicopter seat room display system, and is made of engine parameter acquisition unit ( epu ) and engine parameter display ( epd ). epu is joined with engine electronic controller, fuel manage system, engine and accumulator by the wire. it acquire the parameter of engine, for example, analog signals, frequency signals and discrete signals, etc. then data processing, compare data and operation is executed

    發動機參數採集器通過硬連線與發動機電子控制器、燃油管理系統、發動機及蓄電池相連，採集模擬量、頻率量及離散量信號等參數，並對採集的數據進行運算、比較與處理，最後通過標準rs ? 422a串口和發動機參數顯示器及其它設備進行通訊。
  2. This article aims at the boiler ' s problems in operation : 1 ) under nominal load, the smoke temperature at the outlet of hearth reaches 1200, far more exceeds 1050 the original designed temperature. this will always result in slag inside boiler and the temperature of overheater ' s pipe superheat, so that boiler cannot take nominal load and all these influence boiler ' s nomal operation heavily, 2 ) this article also studied the reason why the assistant oil becoming necessary when coal changes. during the nomal operation, many factors ( makeup of combustor and its disposal, smirch and encrust of water wall, excessive air coefficient, temperature of primary air, coal type and density of coal dust ) can deviate the designed working conditions, then affect the boiler ' s nomal operation

    本文針對該鍋爐在實際運行中存在的問題：在額定負荷下，爐膛出口超溫、低溫段過熱器前煙溫高達936 ，遠遠超過815的設計值；噴燃器四周水冷壁結焦嚴重，過熱器管壁溫度超標，無法帶上額定負荷；甚至有時因燃煤質量的變化，必須投油助燃的嚴重情況進行了分析研究。在實際生產過程中，燃燒器的結構、布置，水冷壁的粘污、結垢，過剩空氣系數、一次風溫、煤種及其濃度變化等許多因素都會偏離鍋爐的設計工況，從而影響爐內的傳熱和燃燒，造成爐膛出口超溫、水冷壁結渣等問題。
  3. First of all, i summarize the forecast model category and estimate each model in detail, then, i adopt different model to forecast demand, supply, bdi of bulk shipping market. as to demand forecast, i mainly focus on the imitating precision of primitive data, adopt grey forecast model, self - suited filter model separately, and then compose these models as a better one. as to supply forecast, i use econometrics model to describe the complicated relationship of demand, supply, bdi, gnp etc. as to bdi, i try to draw into market integrated factor, describe the relationship of bdi, supply, capacity, speed, rate of oil, navigating capital etc. then finally, i make afterwards evaluation of these models and then analyze future bulk shipping market in detail

    對于需求預測，著重考慮對原始數據的擬合精度，經過模型比較優選論證，分別採用了灰色一階模型，改進的灰色二階、自適應過濾預測的加權組合模型，得到了相當高的擬合精度；對于供給預測，運用計量經濟模型對供給、需求、運價、 gnp 、進出口貿易額等多變量之間復雜的相互關系進行動態模擬，定量的反映出各變量之間的因果關系；對于運價預測，嘗試引入市場綜合因數概念，化繁為簡，通過描述運價與運力供給、載重噸、油耗、航速、燃油價格、航行成本等等諸多因素的關系來進行預測。
  4. It is very difficult to analyze flame radiation in the cylinder of a diesel engine by theoretical method since flame radiation is a function of many parameters, such as the combustion process, the geometrical description of the chamber, the soot formation and oxidation processes, the soot radiant temperature and soot absorption coefficient. the radiant property of the flame in a cylinder is dependent on the combustion process. but the thermodynamic state of real engine cycles can be analyzed from the pressure - volume diagrams in the cylinder. thus a new thermodynamic computational model is set up for the flame radiation in the cylinder of a diesel engine based on the indirect relationship between the flame radiation and the pressure - volume diagram of the combustion process in this paper. the flame radiant heat flux in the cylinder of a di diesel engine is calculated with the variation of crank angle by this model. compared with measured values, the result of the computational values shows the model is available to represent the effects of flame radiation

    柴油機缸內的火焰輻射受諸多因素的影響，用理論分析法來確定它是相當困難的，由於柴油機缸內火焰輻射特性依賴于缸內的燃燒過程，而燃燒過程中的實際熱力狀態又可用示功圖來分析，因此藉助於火焰輻射與缸內熱力參數之間的這種間接關系，建立了一種計算柴油機缸內火焰輻射傳熱的新模型，利用該模型對一臺直噴柴油機缸內火焰輻射熱流量隨曲軸轉角的變化情況進行了計算，將計算結果與實測結果進行了比較，表明該模型能較好預測缸內火焰輻射傳熱量。
  5. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題，主要研究內容有： （ 1 ）實驗、測定了20種常見生物質的能量（發熱量）和c 、 h 、 n元素含量，根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式，並通過r _ （ 0 . 05 ）檢驗；為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便； （ 2 ）選擇了8種生物質試樣作了等加熱速率（ 10 min 、 20 min 、 40 min 、 60 min ）和恆溫加熱的tg和dtg實驗，根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程，並採用goast - redfem積分法和p函數對其動力學參數進行了求解，解析出各種生物質的頻率因子和活化能參數，進而建立了各種生物質的熱解動力學模型，為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述，提供了理論和依據； （ 3 ）為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間，在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定，得出生物質的長徑比（ l d ）一般在5 . 0 6 . 0之間，平均為5 . 3的結果； （ 4 ）採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究，解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間（ t ） ，得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果，為閃速熱解反應器固相滯留時間設計和預測提供了理論依據； （ 5 ）根據上述實驗結果，綜合運用工程力學、工程材料、機械設計學原理，推導、建立了轉錐式閃速熱解反應器物料滯留時間（ ）與轉速（或頻率）合理匹配理論； （ 6 ）提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。
  6. Abstract : the in servie tubular heaters built early in refineries and chemical plans have low thermal load and low heat efficiency, therefore measures for technical reform are offered, including ( 1 ) enlarging the surface area of convection tubes to increase the thermal load of rhe convection section ; ( 2 ) increasign the heat interchanging area of radiant tubes ; ( 3 ) changing the height of the chimney ; ( 4 ) using new burner with forced air supply to increase calorific capacityu ; ( 5 ) adding air preheater between the convection section and chimney to enhence the temperature of the air entering the furnace ; ( 6 ) adopting high temperature radiant coating to improve the effect of radiant heat interchanging

    文摘:針對早期建造的煉油廠和化工廠在役管式加熱爐熱負荷和熱效率低的狀況，提出了若干技術改造措施包括，增大對流管表面積以增大對流段的熱負荷；增加輻射管的換熱面積；修正煙囪高度；換用新型燃燒器，變自然通風為強制供風，以增大燃燒器的發熱量，減小過剩空氣系數，節省燃料2 % 3 % ；在對流段和煙囪之間增設空氣預熱器以提高空氣入爐溫度；採用高溫輻射塗料增強輻射換熱效果，從而增加熱源對爐壁的輻射傳熱量和爐管的傳熱量等。
  7. The in servie tubular heaters built early in refineries and chemical plans have low thermal load and low heat efficiency, therefore measures for technical reform are offered, including ( 1 ) enlarging the surface area of convection tubes to increase the thermal load of rhe convection section ; ( 2 ) increasign the heat interchanging area of radiant tubes ; ( 3 ) changing the height of the chimney ; ( 4 ) using new burner with forced air supply to increase calorific capacityu ; ( 5 ) adding air preheater between the convection section and chimney to enhence the temperature of the air entering the furnace ; ( 6 ) adopting high temperature radiant coating to improve the effect of radiant heat interchanging

    針對早期建造的煉油廠和化工廠在役管式加熱爐熱負荷和熱效率低的狀況，提出了若干技術改造措施包括，增大對流管表面積以增大對流段的熱負荷；增加輻射管的換熱面積；修正煙囪高度；換用新型燃燒器，變自然通風為強制供風，以增大燃燒器的發熱量，減小過剩空氣系數，節省燃料2 % 3 % ；在對流段和煙囪之間增設空氣預熱器以提高空氣入爐溫度；採用高溫輻射塗料增強輻射換熱效果，從而增加熱源對爐壁的輻射傳熱量和爐管的傳熱量等。
  8. First, the working principles of the combustion control system of marine main boiler in present use and its disadvantages are discussed in the paper ; in the light of the structure and motion traits of marine main boiler, the combustion control systems of single and double cross amplitude limits are designed. at the same time, the schematic diagram of system and recovery curves of some relative parameters are given, the system working principles and its advantages and disadvantages are discussed. based on the combustion control system of dual - crisscross amplitude limit, by selecting the independent variable, the fixed offset is improved into variable offset, the combustion control system of variable offset dual - crisscross amplitude limit is designed

    首先討論了目前船用主鍋爐燃燒控制系統的工作原理及存在的不足；針對船用主鍋爐的結構及運行特點，設計了單交叉限幅燃燒控制系統和雙交叉限幅燃燒控制系統，同時給出了系統原理圖及有關參數的過渡過程曲線，討論了系統工作原理及優缺點；在雙交叉限幅燃燒控制系統的基礎上，將固定偏置經過自變量的選取，改進成變偏置，設計了變偏置雙交叉限幅燃燒控制系統，給出了系統原理圖及有關參數的過渡過程曲線，同時也給出了空氣壓力和燃油流量正負偏置函數與變偏置折線函數的關系式。
  9. The automatic control system for oiling of locomotive applies pc104 industrial control computer and ic technology to realize collection, storage and transfer of all data. the oilcan measuring and fuel report systems finish the plan, measuring, inspection of fuel and dynamic management of oilcan storage, fuel - filling and offer. thus it realizes the date - sharing information from locomotive depot to substation, which really makes the locomotive fuel information management intellectualized

    其中，機車自動加油控制子系統以pc104工控機為核心，運用ic卡技術，負責加油數據的採集，存儲和傳遞；油庫計量子系統和鐵油1 - 12報表子系統則通過網路技術完成燃料的計劃、計量、檢驗、油罐存儲到發裝到機車上的整個管、供、用的全過程動態管理，實現了機務段到分局信息資源的共享，實現了真正意義的燃料管理信息化。
  10. Through the analysis of fuel spray, the reason that how the flow changes affect the engine performance is illustrated

    通過對燃油噴霧的分析，揭示了流量系數影響柴油機性能的原因。
  11. Afer air - fuel equivalence ratio

    燃油過量系數
  12. Influence of blending gas fuels to air - charged efficiency and over - air coefficient in diesel engine

    柴油機摻燒氣體燃料對充氣效率和過量空氣系數的影響
  13. In this paper a perfect and flexible experimental system of low nox combustion is established firstly. the influences of the temperature of combustion, the air excess coefficient, a certain amount of vapor added in advance, the temperature of preheated air, adding microwave into gas before combustion, gas recycling combustion and the mode of combustion ( diffused and premixed ) on nox emission are analyzed respectively. the combustion of liquid petroleum gas is simulated with phoenics 3. 5

    首先建立了完善靈活的低no _ x燃燒實驗系統，在實驗系統上完成了燃燒溫度、過量空氣系數、預先加入一定量的水蒸汽、空氣預熱溫度、對燃氣預先進行微波處理、煙氣再循環燃燒以及燃燒方式（擴散式與預混式）對no _ x生成的影響分析；採用phoenics3 . 5軟體進行了液化石油氣燃燒的數值模擬。
  14. According to the theory of engineering thermodynamics and phase change, heat - transfer process of the special working fluid heat - pipe stove is analyzed. some hypotheses are postulated and with the help of equation of mass - conservation, energy - conservation, the dynamic concentrative parameter model is built, the change of each parameter is prescribed at any stage from starting to stopping. with the thermodynamic calculation of burnable process, the parameter of device, such as heat - transfer coefficient / thermal efficiency etc, are achieved under steady state ; based on theoretic calculation, observing the actual running circumstance of the heating stove in person, with some performance comparison between the new and the old, the high efficiency and reliability of heat - pipe stove is proved, the project which expend it in the oil - filed is feasible

    對充入該工質的熱管加熱爐，本文根據工程熱力學和相變傳熱學及相關知識，對其進行了傳熱分析，經過適當假設，運用質量守恆和能量守恆定律，建立了裝置動態集中參數模型，描述了加熱爐從開機到穩定運行這一動態過程各參數的變化情況，同時對燃燒過程也進行了熱力計算，最終得到了穩態工況下裝置的換熱系數、熱效率等熱力參數；在理論計算的基礎上，親赴現場觀察該爐的實際運行情況，通過與原有的加熱爐的各項性能進行對比，最終證明新爐的高效性和可靠性，為其在油田中推廣的可行性提供了依據。
  15. Based on the the mass experimental data, taking advantage of electronic control technology, a set of diesel / cng dual fuel supply system is developed and the control of cng supply for turbocharged diesel engines is primarily realized. this thesis introduces the development of this electronic control system in detail, including the structure of hardware, the module of software and the control style

    在實驗室大量實驗數據的基礎上，採用電子控制技術，自行開發設計了一套柴油cng雙燃料供給系統，初步實現了在增壓發動機上對cng摻燒的控制。論文詳細介紹了該雙燃料電控系統的研製過程，包括硬體結構、軟體模塊以及控制方式。
  16. Passenger car performance and fuel economy not only depend on the engine performance, but also on the transmission parameters and the powertrain matching. therefore, in order to obtain better fuel economy, the passenger car transmission parameters should be optimized to make the engine work almost in the low fuel consumption region when it operates in the real driving modes

    客車發動機與傳動系的合理匹配，就是根據客車的使用條件和要求，通過改進發動機、選擇適當的傳動系參數，使發動機的經常工作區盡量與理想工作區相吻合，以達到整車動力性和燃油經濟性的改善。
分享友人
分享到 Line

分享到臉書