火焰速度 的英文怎麼說
中文拼音 [huǒyànsùdù]
火焰速度
英文
flame eed-
When the direction of centrifugal force as same as the velocity of flow, the fuel became short
當加速度的方向與流速一致時，火焰變短。New method for computing premixed planar laminar fla me speed
一種計算預混層流平面火焰速度的新演算法Effect of hydrogen and vapor on laminar flame speeds of methane air mixtures
空氣層流火焰傳播速度的影響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。The research result shows that the influence of impressed electromagnetic field strengthen the gas explosion, and make the flame propagation speed, the flame propagation speed peak value and the overpressure peak value enlarged ; with the increase of electromagnetic field intensity, the effects on aggravating the gas explosion raise
研究結果表明：外加電磁場使瓦斯爆炸強度增加，使火焰速度、火焰速度峰值、壓力波超壓峰值增大，隨著電磁場強度增加，其對瓦斯爆炸加劇作用增強。This article mainly discussed the influence law of kno3 on combustion rate, combustion flame and generation of the relic amount
本文主要論述了硝酸鉀對水基熱氣溶膠滅火劑的燃燒速度、燃燒火焰、殘渣生成量等方面的影響規律。Phenomenological turbulent flame velocity model for premixed combustion
預混合燃燒現象學紊流火焰速度模型It is found that the liquid kerosene of injection upstream cavity could finish the process of atomization and evaporation in short distance, and enter into cavity through convection. aft wall is the primarily area of flame holding in cavity, and the only area when near the lean blowout limit, flame in area of fore wall are spread from it. cavity shear layer in reaction flow angle greatly to the main flow direction, and couldn ’ t reattach to aft wall anymore, it appears great difference in characteristics of cavity flowfield between non - reaction and reaction state
研究發現:凹腔上游噴注的液體燃料能夠迅速霧化、蒸發，並在較短距離內依靠對流輸運過程進入凹腔內部;凹腔後壁始終是凹腔火焰駐留的主要區域，在貧油極限時，也是唯一區域，並存在明顯的火焰由後壁向前壁的傳播過程;燃燒狀態下的凹腔剪切層以較大角度向下游主流發展，不再附著于凹腔後壁，與冷流中的凹腔流場特徵相差較大。Influence of catalytic reforming reaction for premixed gases with h2 on flame propagation velocity
催化重整反應加氫對預混氣火焰傳播速度的影響The ideology and experience regarding design of large capacity w flame units in foreign countries should be further acknowledged, this can be an example for us to draw a more reasonable rules and methods of calculation. in this thesis, the systematic numerical simulations were conducted for w flame boiler furnace
針對邯峰電廠的660mw機組w型火焰鍋爐的特點，編制和完善了爐內熱態流動及燃燒模擬程序，並進行了全面的爐內過程數值計算，得到了鍋爐爐膛內的溫度分佈和速度分佈，對鍋爐性能進行了預報。We investigated the transformation of the combustion with the increase of centrifugal force. when the acceleration became bigger, the temperature of high temperature field is increased and the flame became wider
研究了燃燒隨著加速度增加的變化情況，隨著加速度的增大，高溫區的溫度升高，火焰變寬。The vertical spread of fire along the external wall is affected not only by the building - height and window dimensions, but also by the protrude components such as balcony, windowsill and fireproof eave, etc. the balcony is an important part of buildings and used widely
火焰沿外墻面豎直向上的傳播速度，不僅要受到建築高度、開窗尺寸的影響，而且還受到墻外凸出構件，如陽臺、窗臺、防火挑檐等因素的影響。陽臺是建築物的重要組成部分，運用普遍。A control method is presented where least square arc approximation and timed interpolation are employed. using it, the number of segments of fitted curves is made minimum while the accuracy is guaranteed, so that data transmission between cad and cnc systems is decreased and setted feeding rate can be realized. this method has already success fully been used for flame cutting and controlling saddle - backed curve for pipe connection when feeding rate is required to be higher
提出了一種採用最小二乘法圓弧逼近及定時插補控制方法，在保證精度的前提下，可使擬合圓弧段數最少，從而減少cad系統與cnc系統的數據傳送，可實現給定進給速度.該方法已成功地應用於要求較高進給速度的接管馬鞍型曲線火焰切割擬合控制Based on the experimental data, a melting mathematical model has been set up. the calculated melting rate of scrap was consistent with experimental value
摘要在油氧火焰熔化棒體實驗基礎上，通過建立數學模型，與實驗進行對比研究。結果表明：實驗結果與熔化數學模型計算棒體的熔化速度相符合。A torch can usually keep burning for approximately 15 minutes, and the flame is 25 to 30 centimetres high in a windless environment
在零風速下燃燒時間約15分鐘，火焰高度為25至30厘米。Result of numerical simulation analyses powder grain size influence to velocity and temperature of flame, repeat with different grain size parameter simulation calculate, it has important meaning to accelerate and heat performance of spraying powder
根據數值模擬結果分析了粉末粒度對火焰焰流速度和溫度的影響，用不同粒度參數重復模擬計算，這對噴塗粉末的加速和加熱性能具有重要意義。Using high speed schlieren photographs the microstructure of flame front surface in gas explosion was studied from the microscopic view
摘要通過高速紋影圖像從細觀角度詳細研究了不同傳播條件下瓦斯爆炸火焰前鋒的細微結構。A distract model has been firstly established to simulate the turbulent flame propagation speed for the dual fuel engine in this paper
本課題還首次建立了湍流火焰傳播分形模型，計算雙燃料發動機燃燒過程中湍流火焰速度，以評估發動機結構參數和運轉參數對燃燒過程的影響。In the simulation model, the cellular automata model is applied to describe the tunnels system, and a cellular is used to represent an energy unit of flame, which is eradiated from the fire - point and contains such status parameters as temperature, velocity, smog density, density of poisonous gases
在該方法中，用元胞自動機模型描述地下礦巷道網路系統，用元胞來描述火焰蔓延能量單元，該單元用火焰溫度、蔓延速度、煙霧濃度和有毒氣體濃度等狀態參數來描述。Information in the paper is provided on various palm and paraffin wax mixtures and the burning characteristics of candles including flame height and burning rate
報告中的信息還包括了各種棕櫚和石蠟混合物、蠟燭的燃燒特性，包括火焰高度及燃燒速度。分享友人