combustion calculation 中文意思是什麼

combustion calculation 解釋
燃燒計算
  • combustion : n. 1. 燃燒,發火,點火。2. (有機體內營養料的)氧化。3. 騷動。
  • calculation : n. 1. 計算,計演算法。2. 推定,預測。3. 深思熟慮,精打細算;慎重的計劃;算計。
  1. ( 2 ) calculation of the combustion parameters the combustion parameters of hmx, rdx, hns - i and b / kno _ ( 3 ) were calculated with vlwr code. the thermodynamic function of boron oxide was fitted by method of the least square to janaf thermo - chemical table, and their coefficients were determined

    ( 2 )炸藥及點火藥燃燒性能參數計算應用熱力學程序vlwr計算hmx 、 rdx 、 hns -及點火藥b kno _ 3的燃燒性能參數及燃燒平衡產物組成,得到了與密閉爆發器實驗相近的燃燒性能參數。
  2. But, the research on combustion calculation model for hydrogen ? fueled engines has not still been engaged

    但是,對氫燃料發動機燃燒模型的研究尚處于空白。
  3. As rapid development of calculating algorithm and computer hardware, the researches on combustion calculation model are being put more attention, and it has been becoming useful method for analyzing the combustion process of engines

    隨著計算技術的不斷發展和計算機硬體水平的不斷提高,內燃機的燃燒模擬計算得到了迅速的發展。燃燒模型研究已成為研究發動機燃燒過程的方便而有力的工具。
  4. In the third chapter of this dissertation, based on the physical and chemical properties of hydrogen and the combustion characteristics of hydrogen, the quasi - dimension combustion calculation model of hydrogen ? fueled engine is set up through analyzing the characteristics of turbulence flame and chemical reaction kinetic of hydrogen ? air mixture. the model includes the dual ? area thermodynamics sub - model, quasi - dimensional turbulent entrainment combustion sub ? model, turbulence flame promulgating sub ? model, hydrogen - air mixture chemical kinetic sub - model and loss of heat transfer sub - model and so on

    本文從氫燃料的物化特性和燃燒特徵著手,通過分析氫空氣混合氣燃燒的湍流火焰結構和燃燒化學反應動力學,基於雙區燃燒模型,建立了包括雙區熱力學、準維湍流卷吸燃燒、湍流火焰傳播速度、氫空氣混合氣燃燒化學反應動力學以及傳熱損失等模塊的燃燒模型,並給出了相應的計算方法。
  5. After thermodynamic calculation on several operation conditions of the furnace, cold - state flow and resistance mensuration, the combustion of the tubular - furnace hearth was changed into swirl and addition of radiate cylinder and oxygen content detection minish 1. 25 surplus air to less than 1. 15, improving the combustion condition and convection and radiate heat transfer efficacy, resuling in reducing the waste - gas temperature 45, decreasing exhaust gas loss, and saving fuel by 6 %

    摘要通過對加熱爐幾種工況進行熱力計算、冷態試驗的流場分佈及阻力測定和熱態試驗的爐膛溫度場分佈及管壁溫度等參數的測定,確定將管式加熱爐爐膛內直流燃燒改為旋流場燃燒和增加輻射筒,增設煙氣含氧量分析,可以將燃燒的過剩空氣系數從1 . 35減小到1 . 15以下,極好地改善爐膛內的燃燒狀況和對流輻射傳熱效果,從而降低排煙溫度45 ,減少加熱爐排煙損失,節約了煤氣量6 %以上。
  6. Aviation fuels - calculation of net heat of combustion

    航空燃料凈熱值計演算法
  7. By using the formula of mass burning rate, the effects of turbulence on combustion process are directly reflected all calculation results are compared with the experimental data and the conclusions in some references concerned as well and the results show the numerical solution reasonable

    在質量燃燒率的計算中,直接反映了紊流對燃燒過程的影響。編制了計算程序,進行了變參數性能預測計算。
  8. Subsequently the reduced mechanism is used for three - dimensional numerical calculation in the flow solver technology of star - cd. 2. different from the one - step irreversible reaction, a multi - step reaction combined time scale model is developed to the solve combustion - turbulence interaction firstly

    2考慮化學反應和湍流的相互作用,建立了有別于普遍採用的基於單步不可逆反應的混合湍流反應(時間)速率模型的新模型,即多步反應混合湍流反應(時間)速率模型。
  9. In arbitrary curvilinear coordinates, the wall function is used for treating near wall regions. the influences of two different inlet gas parameter distributions and turbulent combustion models, as well as three different afterburners on turbulent combustion flow fields and wall temperature profiles are calculated. comparisons of experiment results and calculations results show that second - moment combustion model is reasonable for modeling turbulent reacting flows, inlet gas parameter distributions is more important. calculation method is reliable and can be used for the optimum design of afterburner

    數值研究三種不同幾何形狀、兩種進口氣流參數分佈、兩種紊流燃燒模型等對加力室內各氣流參數、隔熱屏和加力室筒體壁面溫度分佈的影響,計算結果與試驗數據比較表明:不同幾何形狀加力室對加力室內紊流燃燒流場的影響要比進口氣流參數分佈大些,正確給定進口氣流參數分佈較為重要,二階矩紊流燃燒模型更適用摸擬三維紊流燃燒流動,計算方法合理,編制的計算程序可靠,可供加力燃燒室優化設計用。
  10. In order to solve the problems effectively, under the auspices of 863 plan in china, the synthesis diagnosis has been carried by means of measuring and numerical imitating the combustion chamber of refining column, and some conclusions is such as : ( 1 ) through measuring the temperature and combustion in the burning chamber of the refining column, the result shows the temperature difference on the same level is more than that in height direction, and there is a few of co in bottom of burning chamber. ( 2 ) in order to ensure normal work of flue system in lead column in the course of zinc refining, theoretic calculation and measure about the flow resistance of exhaust gas are carried through. the results of study reveal that drawing out force of chimney is inadequate, which is mainly caused by illogicality of flue construction

    在研究過程中,採取了現場實測和數值模擬手段對韶關冶煉廠鋅精餾鉛塔燃燒室及排煙系統進行了綜合診斷,具體結果包括如下: ( 1 )完成鋅精餾鉛塔燃燒室內溫度測試以及燃燒狀況的測試,結果發現:鉛塔燃燒室內水平方向的煙氣溫度並非均勻,而且其溫差比上下方向的溫差更大,以及鉛塔燃燒室尾部存在co未燃燼問題; ( 2 )為了保證鉛塔煙氣系統的正常工作,對煙道系統的阻力進行了理論計算及測試分析,結果發現:鋅精餾鉛塔煙氣系統中煙囪抽力不夠,這主要是煙道結構不合理所造成的。
  11. Research on a calculation method of wear value of a cam - follower in an internal - combustion engine

    內燃機凸輪挺柱磨損數值計算方法的研究
  12. The experimental study on the thermal aging combustion property of the composite modified double base propellant and its life - time calculation

    改性雙基推進劑熱老化燃燒性能試驗研究與壽命預估
  13. Part of content about fluidized bed thermodynamic calculation in the 《 layer and fluidized combustion thermodynamic calculation standard for industrial boiler 》 ( jb / dq1060 - 83 ) are discussed the computing equation of fly ash carbon content and the thermal equilibrium equation in the dense phase considering evaporation of water of unburned coal are given. the revise necessary is provided through calculating examples

    對jb / dq1060 - 83 《層狀燃燒及沸騰燃燒工業鍋爐熱力計算標準》中沸騰爐熱力計算的部分內容進行了探討,導出了沸騰層飛灰含碳量計算式和考慮未燃煤水分蒸發的沸騰層熱平衡方程,通過算例說明了修正的必要性。
  14. A part of content about fluidized bed thermodynamic calculation in the 《 layer and fluidized combustion thermodynamic calculation standard for industrial boiler 》 ( jb / dq1060 - 83 ) are discussed the computing equation of fly ash carbon content and the thermal equilibrium equation in the dense phase considering evaporation of water of unburned coal are given. the revise necessary is provided through calculating examples

    對jb / dq1060 - 83 《層狀燃燒及沸騰燃燒工業鍋爐熱力計算標準》中沸騰爐熱力計算的部分內容進行了探討,導出了沸騰層飛灰含碳量計算式和考慮未燃煤水分蒸發的沸騰層熱平衡方程,通過算例說明了修正的必要性。
  15. Based on the combustion model, the intermediate combustion products, the rate of the heat release in the swirl chamber, the engine ' s transient pressure and temperature are traced in details during the calculation

    在此模型基礎上,對發動機缸內燃燒的中間產物、渦流室的放熱率、缸內瞬時壓力和溫度進行了分析。
  16. The engine ' s transient pressure, temperature and its various components emissions are traced in details during the calculation. the results verified that the various steps quasi - dimensional two - zone combustion model developed in this thesis can describe the real working procedure of the internal combustion engine very well

    模擬模擬過程詳細跟蹤了缸內瞬時壓力、溫度和排放量組分變化,結果顯示,本研究所提出的雙區準維燃燒模型能較好的反映缸內的實際工作過程。
  17. Saturation vapour pressure of internal combustion engine under actual operation conditions is expressed as the multinomial by using least square method, which facilitates the calculation of rectifying coefficient of engine output and fuel consumption as well as the fabrication of computer programme for such calculations

    摘要介紹了用最小二乘法擬合方法,將內燃機現場環境狀況下飽和蒸汽壓表示為多項式形式,為計算功率和燃油消耗率校正系數,並為此而編制計算機程序提供方便。
  18. Compared with other general cfd software, the numerical modeling software of combustion process improved by the author of this paper has following features : ( 1 ) it can adjust the corresponding parameters and manipulating methods according to furnace architecture, operational parameters and fuels etc. ; ( 2 ) it can arrange the nodes of grid flexibly and also make special calculation to certain nodes, which cannot be accomplished by the general commercial software ; ( 3 ) in the boundary ( water - cooled wall ) condition processing, the third boundary condition is selected for the temperature calculating, linking the combustion process inside the furnace with the flow and heat exchange of water inside the water - cooled wall, so the heat absorbing and the influence of the water - cooled wall to combustion process and heat transfer of furnace are explicitly explained

    與其它通用的cfd軟體相比,經論文作者所改進的燃燒過程數值模擬軟體的特點在於: ( 1 )能夠結合爐子結構、運行參數及燃料等,調整模型中相應的參數及處理方法; ( 2 )可以靈活的安排網格節點,對某些節點進行特殊處理; ( 3 )在邊界(水冷壁)條件的處理上,溫度選用了第三類邊界條件,把爐內燃燒過程和水冷壁內工質的流動和換熱聯系了起來,使得水冷壁內的吸熱情況對爐內的燃燒和結渣的影響充分體現出來。
  19. In this paper, a calculation method of combustion heat release rate for the swirl chamber coal - bed gas engine is concerned. it can be a useful tool on analyzing the combustion processes for this type engine

    另外,本文開發了一個渦流室式火花點火煤層氣發動機放熱率計算軟體,為分析這類發動機缸內燃燒過程提供一個有效的工具。
  20. The purpose of this study is to develop a three - dimensional numerical calculation model for spark - ignited premixed - charge lpg single fuel engine, which includes chemical kinetics submodel, ignition submodel, turbulent combustion submodel and emissions submodel. the conclusions obtained from this study provide a principle guide for optimum design of combustion system and to obtain satisfying characteristics in emission, performance and economy of lpg engine upon suitable structure and operating parameters, such as compression ratio, valve timing and spark timing

    本論文的主要研究目標是單燃料lpg發動機的結構參數和運行參數對發動機性能的影響,以建立針對點燃式lpg發動機的三維燃燒模型,包括化學動力學模型、點火模型、湍流燃燒模型、排放模型為主要技術手段,並將燃燒模型計算結果和採用稀氧傳感器反饋控制的lpg實驗發動機上實測數據相比較驗證。
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