combustion chamber pressure 中文意思是什麼

combustion chamber pressure 解釋
燃燒室壓力
  • combustion : n. 1. 燃燒,發火,點火。2. (有機體內營養料的)氧化。3. 騷動。
  • chamber : n 1 〈古、詩〉室,房間;寢室,臥室;〈pl 〉套房;〈pl 〉律師[法官]辦公室。2 會議室,會場;議會,...
  • pressure : n 1 壓;按;擠;榨。2 【物理學】壓力,壓強;大氣壓力;電壓。3 精神壓力,政治[經濟、輿論等]壓力。4...
  1. The question about burning method existing in spraying high pressure steaming in chamber is analyzed. the principle and character of auto supplying water, additive, steaming and combustion - support technology are introduced, also the economic benefit is analyzed

    分析了傳統爐膛內噴射高壓蒸汽燃燒方法存在的問題,介紹了鍋爐全自補水加劑注汽助燃技術的機理、特點。
  2. The pilot fuel model has been given to calculate the distribution of the liquid fuel and time of fuel pre - combustion, at the same time, analyzing the important action to the combustion of the natural gas in the combustion chamber of engine, determining the best quantity of pilot fuel. the explosive combustion model has been established to compute the pressure of the cylinder during the combustion, determining the main influence factors. the emission model has been established to forecast the co, nox emission

    理論方面,提出了基於化學反應的燃燒模型?多組分氣相反應系統的化學反應動力學模型,以此進行雙燃料發動機的熱力學?化學反應動力計算;引燃油燃燒模型,計算引燃油液滴的分佈規律和滯燃期,驗證引燃油在雙燃料發動機燃燒過程中的作用,揭示不同噴油規律對雙燃料發動機的影響,確定在不同負荷下的合理引燃油量;爆震模型,揭示爆震與工質能量釋放間的關系和影響爆震的各種運轉因素,確定合理的爆震依據,減小爆震傾向。
  3. Focusing on the performance evaluating and the design of tripropellant injector, adopting the cold test rig with background pressure supply, malvem particle analyzer, ccd photography system, tripropellant hot test - bed, numerical simulation software and auxiliary theoretical a nalysis, the d ischarge c haracteristic a s w ell a s a tomization p erformance o f the injector and the combustion performance as well as the mode - transition characteristic of thrust chamber are studied detailedly based on the 3 different structures of coaxial tripropellant injector, large numbers of important conclusions are gained

    本文圍繞三組元噴嘴的性能評定及設計方法。採用反壓冷試臺、馬爾文測粒儀、 ccd高速攝影系統、三組元發動機熱態試驗臺、數值模擬程序及輔助理論分析等多種技術手段和研究方法,對三種結構的同軸式三組元噴嘴深入進行了噴嘴流量特性和霧化特性、推力室燃燒性能和轉工況性能研究,得到了大量重要結果。
  4. It is noted that high pressure mixed gas has to be used in connection with forced blowing wind for gas combustion chamber to produce qualified casting

    特別強調,即使用高壓煤氣,也必須用強制送風的方法供給煤氣燃燒器所必須的空氣量,才能生產出合格的鑄件。
  5. Great difference in pressure for two flow made pressure wave system and it help to extend the delay time for gas in chamber, which increases combustion effusion. second, to increase combustion effusion, the inlet temperature of air and gas should be enhanced in the range of heat releasing in chemical reaction. third, the first work condition is unburned absolutely and the second work condition is burnt in shear layer of inlet and the end of down wall zone in straight segment

    對于壓力差很大的兩股氣流,所形成的壓縮波系的結構可以增加燃氣駐留時間,提高燃燒穩定性;為了提高擴散燃燒的效率,在保證能放熱的化學反應溫度范圍之內,應適當提高燃氣及空氣的來流入口溫度;燃氣噴嘴應居於燃燒室軸線上,是改進超音速燃燒室結構的一種思路。
  6. 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。
  7. The research indicated that, if the secondary combustion chamber was looked on as a controlled object, with the adjusting valve as a input, the pressure and the temperature of a selected point on the inside wall of the combustion chamber as outputs, then such controlled system would be a strongly non - linear, time varying system with number of random disturbances, which resulted in huge difficulty to build an analyzed mathematics model for the spray burning of the liquid fuel, so that classic control methods were all invalid

    研究表明,若將rbcc發動機的二次燃燒室視為一個控制對象,同時以燃燒室內壁面取定點處的壓強、溫度和調節閥的開度為輸入輸出變量,則該系統將是輸入?輸出特性非線性很強、隨機干擾嚴重的復雜時變系統。這導致建立燃油噴霧燃燒具體模型的很大困難,從而宣告了經典控制方案的失效。
  8. The experimental investigations were first conducted on diesel spray wall - impingement mixing process with or without a bump on a flat wall and in a combustion chamber by means of plif method in the self - made constant volume combustion spray simulation set - up which can reproduce the typical working conditions and high - pressure fuel injection of modern diesel engines. the simulation computation of a cfd code about them was then carried out

    首先在自行研製的、可以模擬現代柴油機典型工作環境及高壓燃油噴射特性的定容燃燒噴霧模擬裝置上用片狀激光誘導熒光法( plif )對平壁上、燃燒室內不設置和設置bump的柴油噴霧撞壁混合過程進行了試驗研究,然後又用cfd多維數值分析軟體對其進行了模擬計算。
  9. 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。
  10. First, the dynamic characteristics of pipe is simulated, the influence to waterhammer which is brought by the flow area of the valve, response time, the length of the pipe before and after the valve, the hydraulic pressure fluctuating in the trunk, and the high frequency pressure fluctuating in combustion chamber is analysed

    首先對管道動態特性進行了模擬,分析了閥門過流面積、閥門作動時間、閥門前後管道的長度、貯箱壓力波動以及燃燒室壓力高頻振蕩等對管道動態特性的影響。
  11. Planar laser induced fluorescence ( plif ) and multi - dimensional cfd software was used to study the fuel - air mixing process in traditional combustion chamber and bump combustion chamber, the experimental and simulated result agree well in room condition. the fuel - air mixing process in high pressure and temperature in traditional and bump combustion chamber were compared. the result show that fuel and air can mix more quickly in bump combustion chamber than in traditional combustion chamber, fuel - air mixture in bump combustion chamber is more homogenous than in traditional chamber

    進一步對高溫高壓下傳統燃燒室和bump燃燒室內燃油空氣混合好壞進行了對比研究,提出了衡量燃油與空氣混合好壞的三個指標,發現bump燃燒室內燃油能在更大的體積內與空氣混合, bump燃燒室內燃油比傳統燃燒室內燃油分佈相對更均勻, bump燃燒室內燃油濃度耗散率為傳統燃燒室內燃油耗散率2 . 8倍,能更快與空氣混合。
  12. As the fuel burns, gases expand to fill the combustion chamber at a high pressure.

    當燃料燃燒時,氣體膨脹,以很高的壓力充滿整個燃燒室。
  13. With the pressure measurement system for the swirl chamber diesel engine, by using the methods of equivalent power and the seven point three degree average for the indicator diagram, we can correct the tdc, smooth the pressure curve and make more accurate pressure data that is a well basis for the calculation of combustion heat release rate

    摘要本文在自行開發的渦流室柴油機壓力數據測錄系統的基礎上,利用等效功法和七點三次加權移動平均法,分別對示功圖進行了上止點校正和壓力曲線光順,使壓力數據更精確,為燃燒放熱率的計算打下了良好的基礎。
  14. Based on the furnace chamber flame monitoring system, this paper designed and analyzed a combustion control system with the main steam pressure as the primary adjusting parameter and the total radiant energy of the furnace chamber as the subsidiary parameter, and compared the advantages of the system with emulation research and the experimental test

    在爐膛火焰監測系統的基礎上,設計分析了以主蒸汽壓力為主調、以爐膛總輻射能為副調參數的燃燒控制系統,並通過模擬研究和試驗驗證,比較了該方法的優越性。
  15. Moreover, the data processing method of accelerated life test is used to solve the problem of the reliability data conversion under different operating status to liquid rocket engine. and the counter power law model is introduced as the relation model between the characteristic life and the combustion chamber pressure, the accelerated life equation of the constant stress accelerated life test for the weibull distribution is obtained, through the accelerated life equation, the reliability estimate of different combustion chamber pressure is calculated

    再次,採用加速壽命試驗的數據處理方法對液體火箭發動機不同工況下可靠性數據折算的問題進行了研究,引入逆冪律模型作為特徵壽命與燃燒室壓力之間的關系模型,得到了weibull分佈下恆定應力加速試驗的加速壽命方程,並通過加速壽命方程折算出不同室壓下的可靠度估計。
  16. The pressure sensor is integrated with the spark plug so we do not need drilling another hole on the cylinder head and avoid changing the structure of combustion chamber and the effect of connecting channel on the measured cylinder pressure

    該傳感器與火花塞集成一體,不需要另外鉆安裝孔,避免了對燃燒室結構的破壞,而且不存在安裝通道,避免了通道效應對壓力測量結果的影響。
  17. By simulated supersonic combustion in ‘ double - chamber ’, wall - pressure value is compared with experimented data. the simulated values accord well with experimented data

    通過對「雙燃室」結構的數值模擬,將壁面壓力值與實驗值對比,其計算值較好地符合了實驗值。
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