燃油射流 的英文怎麼說
中文拼音 [rányóushèliú]
燃油射流
英文
fuel jet- 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...
- 射 : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 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...
-
3. on boiler retrofit, the calculation of fuel burning, the heat calculation of boiler inside structure and convection section, and the design of structure parameter of feed water heat exchanger are made. the flue gas channels " resistance calculation and the boiler strength verifying are also carried out. replacement of water cooling wall improves heat exchanging and decreases loss of heat radiant
對鍋爐本體進行了燃料燃燒計算、爐膛結構熱力計算、對流受熱面結構熱力計算、鍋爐給水加熱器結構參數設計、煙道阻力計算及鍋爐元件強度校核等;改進了水冷壁布置使換熱效果更好,減少輻射換熱損失;改進對流段結構,更充分的利用爐膛出口煙氣余熱,提高熱效率;並且進行了煙氣阻力計算、熱效率計算和能量平衡測試,對改進后的稠油燃料和改進前進行了對比,燃燒狀況和熱效率有明顯改善。Foshan gold zhujiang mechanical electrical equipment co., ltd foshan gold zhujiang hydraulic pressing machinery is an enterprise specialized in manufacturing hydraulic machinery and relevant molds. holding the spirit of keeping improving and keeping pace with the time, we have manufactured sdz series super high pressure cutting machine water cutter y - type various 4 - column single, double action hydraulic presser and full automatic hydraulic presser can be chose in various industries various molds for hydraulic machine filter for 15000kw large internal combustion generator etc
多年以來,我司員工本著精益求精,與日俱進的精神,製造了sdz系列超高壓水射流切割機水刀y型各類四柱單雙動及全自動油壓機共有多個系列適合不同行業選用各類油壓機使用的模具15000kw大型內燃發電機用的濾清器等產品。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。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。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。Using swirl atomizer designed by this paper, kerosene was injected into the ejector combustor, and achieved steady combustion. this made a solid foundation for the future study on combustion organization
設計了旋流式霧化噴嘴,實現了煤油在引射火箭模態中的穩定燃燒,為進一步的燃燒組織研究奠定了基礎。The bump height and secondary wall - impingement distance were discovered to play an important role in producing a secondary space jet, reducing the quantity of fuel stuck on the wall and forming lean mixture, and their suitable values being 1. 0 - 1. 5mm and 0 - 2. 0mm respectively
發現bump高度及二次撞壁距離對撞壁油束形成二次空間射流、減少壁面燃油堆積以及形成稀混合氣有重要作用,且發現bump的高度和二次撞壁距離分別為1 . 0 1 . 5mm和0 2 . 0mm比較合適。A mathematic model of basic ignition advance angel is built according to double - district burn model and the turbulent flame behavior propagation model. through the emulational calculation, we can get the initial ignition advance angel map graph of the motorcycle ’ s efi system, and the results also showed well consistent with the stand experimental results which adopted the domestic 125ml motorcycle gasoline engine
在結合汽油機雙區燃燒模型和湍流火焰傳播模型的基礎上,建立了基本點火提前角數學模型,運用在國產125ml摩托車發動機上,模擬得出此發動機電控噴射系統的初始點火map圖。Fluids for hydraulic power systems. determination of ignitability offire - resistant fluids atomized under high pressure with screen
液壓油.高壓濾網射流測定耐燃液壓油可燃性的A new high speed and great flow solenoid valve, one of the key parts of electronically controlled fuel injection, is assembled, adjusted, which makes it in good condition, and prepares for injection test in this thesis
電磁閥作為電控燃油系統中極為關鍵的部件,它對燃油噴射特性影響特別大。故本文對課題組自行開發、研製的高速大流量電磁閥進行了裝配、調試,使其液力狀況最佳,為噴油實驗作前期的準備工作。The mechanism and role of the bump combustion chamber in mixture formation of lean diffusion combustion and the main parameters that influence diesel secondary impingement jet were the major objective of the investigation in this paper in order to lay the foundation of improving the design of the bump combustion chamber
Bump燃燒室是直噴式柴油機實現hcci燃燒新概念的復合燃燒技術的關鍵。本文主要研究bump的機理,揭示bump在稀擴散燃燒混合氣形成中的作用,探索柴油撞壁射流的主要影響因素,為改進bump燃燒室設計提供依據。This model does improve the models of fuel spray and atomization, soot formation and oxidation, heat transfer of substance in cylinder is also considered
此模型改進了燃油噴射模型以及碳煙的生成與氧化模型,考慮了燃燒區的區間傳熱和缸內工質的對流輻射傳熱,由此對一臺高壓共軌柴油機進行了模擬計算。Planar laser induced fluorescence ( plif ) was used to study the spray / wall impinging in constant volume vessel. the experimental result show that when fuel spray impinging on the plane wall, wall jet was formed while fuel impinging on a plane wall with a bump, when the wall jet meet the bump, a secondary jet can be formed. some parameters affecting the secondary spray were studied, including bump height, the secondary impinging distance, impinging distance and injector parameters
對傳統燃燒室和bump燃燒室內燃油空氣混合過程進行了對比研究,發現燃油撞壁以後在傳統燃燒室壁面形成壁面射流,這一層燃油濃度很高,很難與空氣混合,而在bump燃燒室內,壁面射流遇到bump后,會在空間形成二次射流,二次射流進一步能快速與空氣充分混合。This dissertation delivers ecu hardware design scheme and discusses its feasibility ; designs ecu hardware circuit based on mcu, including ecu input and output signal processing channel, and the emigration of c / os embedded real time operating system on mcu lpc2292 ; designs fuel injection control project software procedure, and simulate it. it implements the open loop control of air fuel ratio under part of the motor working condition
在充分進行可行性論證的基礎上,完善了ecu的硬體設計總體方案;設計了基於單片機的ecu硬體單元電路,包括ecu的輸入、輸出信號處理通道以及c / os嵌入式實時操作系統在lpc2292單片機上的移植;設計了燃油噴射控制項目的軟體流程;最後通過模擬模擬,實現了發動機部分工況下的空燃比的開環控制目標。4. analysing the data of test result acquiring by the ecu monitoring software, the fuel injection base map and related correction curves are roughly delivered, the fuel injection control strategy for this type of engine is developed, and the flow chart of ecu control program for fuel injection control is also designed
4 、分析監測軟體所採集的數據,分析電控燃油噴射系統工作參數之間的關系,得出比較粗略的基本噴油map圖和各種相關修正曲線,最後制定了適用於該小型二沖程汽油機的噴油控制策略,並給出了ecu噴油控製程序的流程圖。The engine is tested on the dynometer using the software that can monitor the ecu ( electronic control unit ) internal dataflow. and the electronic control fuel injection system parameters ( e. g. position of throttle valve, engine speed, air temperature, engine temperature, duration of injection ) are acquired at many different working conditions of engine
本文以hirth3203二沖程汽油發動機為研究對象,利用開發的ecu內部動態數據流監測軟體進行發動機臺架試驗,獲取了在不同的油門開度和轉速下電控燃油噴射系統的一系列工作參數,如節氣門開度、發動機轉速、進氣溫度、氣缸溫度、蓄電池電壓以及噴油脈寬。分享友人