熱引燃 的英文怎麼說

中文拼音 [rèyǐnrán]
熱引燃 英文
thermal ignition
  • 引 : Ⅰ動詞1 （牽引; 拉） draw; stretch 2 （引導） lead; guide 3 （離開） leave 4 （伸著） stretch 5 （...
  • 燃 : 動詞1. （燃燒） burn 2. （引火點著） ignite; light
  1. Heat convected, a mode of motion developed by such combustion, was constantly and increasingly conveyed from the source of calorification to the liquid contained in the vessel, being radiated through the uneven unpolished dark surface of the metal iron, in part reflected, in part absorbed, in part transmitted, gradually raising the temperature of the water from normal to boiling point, a rise in temperature expressible as the result of an expenditure of 72 thermal units needed to raise i pound of water from 50 to 212 fahrenheit

    燃燒所引起的運動形式之一-熱對流傳熱，不斷地加速度地從熱源體傳導給容器中的液體，由那凹凸不平未經打磨的黑色鑄鐵面把熱向周圍發散出去一部分反射回來，一部分被吸收，另一部分被傳導，使水的溫度從常溫逐漸升到沸點。這種溫度的上升可作為消費結果標志如下：將一磅水從華氏五十度加熱到二百十二度，需耗七十二熱量單位。
  2. Moreover, the system of powdered coal conveying with primary air is the most important tache, whether the distribution of primary air is even or not directly relates to whether the distribution of powdered coal is even or not in all firing implement and nozzles, sequentially directly relates to whether it is hard to take fire, whether the fire is stable, whether there is coking and how about the heat efficiency of the boiler, hi addition, if there is jamming and deflagrate in the system of powdered coal conveying with primary air, severe safety accident can be resulted

    良好的煤粉配風是建立合理的爐內空氣動力工況和穩定燃燒的必要條件。而其中一次熱風送粉系統又是最重要的一個環節，一次風配風是否均勻直接關繫到煤粉在各燃燒器和各噴嘴中的分佈是否均勻，從而直接關繫到著火是否困難、火焰是否穩定、局部是否結焦以及鍋爐的熱效率高低。若一次風送粉系統發生堵塞和煤粉爆燃則可能引發嚴重的安全事故。
  3. Test method for ignition of materials by hot wire sources

    用電熱絲法測量材料引燃性的試驗方法
  4. Because thermal insulation was in oxygen - riched condition of afterburner and charred layer was porous, oxygenous gas in mixture would penetrate into charred layer and chemical reaction would take place in whole charred layer, which intensified the ablation process

    由於絕熱層處於二次燃燒室富氧的環境中，而且炭化層為疏鬆多孔狀物質，因此將化學反應引入到整個炭化層中。
  5. 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。
  6. Engines transform heat released in combustion into useful work that ultimately turns the vehicle ' s wheels propelling it down the road

    引擎將燃燒過程產生的熱量轉化為有用功，進而轉動車輪帶動車輛在路上行駛。
  7. Improve low temperature working condition, 100 % full burning, engine internal clean, low influence engine oil, extend engine life, best performance condition

    促進汽油預熱效果，達到100 %完全燃燒，保持引擎和汽油室的清潔，減少機油污染，則能延續引擎的壽命，保持最佳動力。
  8. Sunday he had intended to devote to studying for the high school examination, but the pearl - diving article lured him away, and he spent the day in the white - hot fever of re - creating the beauty and romance that burned in him

    星期天他原打算用來準備中學入學考試的，但那篇潛水採珠的故事引開了他的興趣。他用了一整天工夫狂熱地重視了那叫他燃燒的美和浪漫。
  9. I try to evoke the university reformers ' gender sense today to develop the universities ' taking on their responsibility, for women ' s liberation and growth

    事實上，在女子進入大學的近現代社會轉型時期，大學在引領婦女運動發展，催生女性服務社會的精神，點燃女性革命熱情，開拓女性智慧等方面起到了相當大的歷史作用。
  10. A failure in a device attributable to burning, excessive heat, or friction

    燒毀，燒壞由於燃燒、超高熱或摩擦引起的設備故障
  11. An effective system uses fuel that ignites easily, burns as smokelessly as possible.

    有效的加熱系統所用的燃料必須易於引火，燃燒時盡可能無煙。
  12. The end of may, a persistent drought has sparked a chain of wildfires that has been raging through forests in northeastern florida lasting more than forty days. the blaze has destroyed nearly four hundred and eighty thousand acres of woodlands and has burned down many homes

    久旱不雨，引起森林野火，火勢一發不可收拾在佛州東北部地區，自五月底連續燃燒了40幾天。炎熱的火焰燒毀了近48萬英畝的山林，使得許多的民房受到殃及，同時有幾條主要的道路也被迫封閉，空氣中彌漫著燒焦的味道。
  13. This system finished supervisory control of boiler burning, sampled signals through sensors and calculated the signals whether reached the best content of oxygen and the best wind - coal ratio. using it controls the quantity of coal, entering wind and sending wing for reaching the best thermal efficiency of burning and improving economy benefit of boiler running

    系統對鍋爐燃燒進行監控，通過傳感器采樣信號，計算是否達到最佳含氧量、最佳風煤比，來控制給煤量、引風量和送風量，使燃燒達到最佳熱效率和提高鍋爐運行的經濟效益。
  14. The thesis builds a general conceptual model to analyze the different situations of thermal system to be a unified whole according to the conceptions of fuel and production given by a. valero

    本文就是引進a . valero提出的燃料、產品的概念而建立一個通用的概念模型使熱力系統的不同情況分析能夠成為一個統一的整體。
  15. Otherwise it will decrease the flame burning efficiency, even cause the flame blowout or boiler explosion under unsteady burning conditions. so it is necessary to monitor the flame burning states

    燃燒不穩定，不僅會降低鍋爐熱效率，產生污染物和噪聲，而且在極端情況下會引起鍋爐爐膛滅火，如處理不當就會誘發爐膛爆燃，造成事故。
  16. Numerical simulation by cfd was carried out to understand the hot current behavior in a tunnel with longitudinal ventilation. it becomes clear that fire source modeling is very important because the hot current behavior is strongly affected by the fire source position and is sensitive to methods in the modeling of the fire source. the flame area which has developed from the fire source is an area of chemical reaction caused by combustion. even if grids in the vicinity of the fire source are made fine, it was difficult to simulate the heat generation area with consideration to this chemical reaction through using a method for setting the heat release rate simply on the fire source surface. therefore, we proposed a method adopting the knowledge on flame shape under the longitudinal ventilation and incorporating it into numerical simulation and it showed a good agreement with the experimental results. it was shown through experiments in a tunnel with longitudinal ventilation that the hot current developed toward the tunnel center downwind from the fire source near a wall. the cause was investigated by numerical simulation and it became clear from the results that the spiral air by the fire plume created a vortex in the crevice between the wall and the plume

    運用cfd進行數字模擬，以了解縱向通風隧道內熱煙氣流的特性.通過模擬發現對火源進行模擬非常重要，熱煙氣流特性受火源位置的影響很大，並且對火源模擬方法很敏感.火源生成的火焰區是燃燒引起的化學反應區域.即使火源附近的木垛排列完好，也很難在考慮這些化學反應條件下模擬熱生成區域.建議考慮縱向通風隧道內火焰形狀並對它進行數字模擬.模擬結果與試驗結果非常吻合.試驗證明，在縱向通風隧道內，熱煙氣流從靠近墻體火源處順風向隧道中心蔓延.數字模擬結果發現，火災羽流造成的螺旋上升空氣會在墻體和羽流之間形成一個渦流區
  17. Abstract : numerical simulation by cfd was carried out to understand the hot current behavior in a tunnel with longitudinal ventilation. it becomes clear that fire source modeling is very important because the hot current behavior is strongly affected by the fire source position and is sensitive to methods in the modeling of the fire source. the flame area which has developed from the fire source is an area of chemical reaction caused by combustion. even if grids in the vicinity of the fire source are made fine, it was difficult to simulate the heat generation area with consideration to this chemical reaction through using a method for setting the heat release rate simply on the fire source surface. therefore, we proposed a method adopting the knowledge on flame shape under the longitudinal ventilation and incorporating it into numerical simulation and it showed a good agreement with the experimental results. it was shown through experiments in a tunnel with longitudinal ventilation that the hot current developed toward the tunnel center downwind from the fire source near a wall. the cause was investigated by numerical simulation and it became clear from the results that the spiral air by the fire plume created a vortex in the crevice between the wall and the plume

    文摘:運用cfd進行數字模擬，以了解縱向通風隧道內熱煙氣流的特性.通過模擬發現對火源進行模擬非常重要，熱煙氣流特性受火源位置的影響很大，並且對火源模擬方法很敏感.火源生成的火焰區是燃燒引起的化學反應區域.即使火源附近的木垛排列完好，也很難在考慮這些化學反應條件下模擬熱生成區域.建議考慮縱向通風隧道內火焰形狀並對它進行數字模擬.模擬結果與試驗結果非常吻合.試驗證明，在縱向通風隧道內，熱煙氣流從靠近墻體火源處順風向隧道中心蔓延.數字模擬結果發現，火災羽流造成的螺旋上升空氣會在墻體和羽流之間形成一個渦流區
  18. The result of analysis shows that the convective heat flux has main effect on fuel pyrolyzing and vaporizing, the liquid layer of pe fuel can increase the regression rate but also can cause unstable burning. 4

    研究結果表明：對流熱流是引起燃料熱解氣化的主要因素， pe熔化產生的液體層提高了燃料熱解退移速率，但液體層厚度增加到一定程度時，對發動機工作穩定性有負面影響。
  19. During preparation added mgo etc as mineralization were added to decreases sintering temperature of al2o3, control the mineral composion and microstructure, optimize the performance of heat and mechanics, etc, resulting in its use in regenerative combustion field

    在制備過程中，引入mgo等礦化劑來降低氧化鋁的燒結溫度，促進氧化鋁陶瓷的燒結，調整材料的礦物組成，控制材料的顯微結構，優化材料的熱學性能和力學性能等，使其能夠應用於高溫蓄熱燃燒領域。
  20. Ignition risk of hydrocarbon vapors by hot surfaces in the open air

    露天熱表面環境中烴類氣體的引燃特性
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