燃烧阶段
- combustion phase;burning phase
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实验结果表明,微粒质量浓度曲线呈单峰状,曲线峰值出现在约20°CAATDC,该相位对应于柴油机扩散燃烧阶段;
The experiment results indicate that mass concentration of particulate shows unimodal distribution , and the peak point lies at about 20 ° CA ATDC , corresponding to the diffusion combustion phase of diesel combustion .
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这间接说明了柴油机燃烧过程中急燃期和缓燃期(即预混燃烧阶段)PAHs有向Soot转化的趋势。
This implied that PAHs were converted to the trend of Soot in the premixed combustion phase .
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在煤的焦炭燃烧阶段,N2O的生成机理还不清楚,有待于进一步研究。
The mechanism of N2O formation during coal char combustion is not understood .
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结果表明:对于所有试样,有焰燃烧阶段的浓烟释放(RSR、TSR和SEA)要远大于红热燃烧阶段。动态浓烟建模与实时绘制技术研究
The results indicated that the dense smoke release ( RSR , TSR and SEA ) was much higher in flaming than in after_glowing . Research of Real-Time Rendering and Modeling of Dynamic Dense Smoke
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结果表明,固硫型煤的TG,DTG曲线变化趋势相似,都出现两个明显的失重峰:挥发分析出阶段和煤焦燃烧阶段。
The results show that TG and DTG curves of different briquette are similar , two obvious weight loss peaks are observed respectively . So combustion of bio-briquette is divided into two main phases : devolatilization and char combustion .
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FRW阻燃木材的质量损失速率(MLR)曲线与RHR曲线相似,失重和热释放主要发生在有焰燃烧阶段;
The curve of Mass Loss Rate ( MLR ) of FRW was similar to its RHR curve , and the weight loss and heat release of FRW treated wood took place mainly in the flaming period of combustion ;
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燃烧阶段的液相反应;
Liquid combustion in the combustion process ;
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气化燃烧阶段飞灰的形成机理为部分固定碳燃烧和外在矿物转化;在焦炭气化反应阶段,飞灰的形成机理为焦炭破碎和内在矿物释放及转化。
Part of fixed-carbon combustion and excluded mineral transformation are the mechanisms of ash formation at combustion stage .
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在热塑性聚合物研究中,其熔化特性在温度燃烧阶段影响了质量损失速率。
For the thermoplastics studied , the melting behavior affected the mass loss rates during the steady burning stage .
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主燃烧阶段受过量空气系数的变动的影响最大,火核形成和发展阶段受过量空气系数的变动的影响很小。
The equivalence ratio variations mostly affect the main stage of combustion and hardly influence initial kernel development stage .
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生物柴油在预混燃烧阶段的燃烧速度大于柴油,其最高燃烧温度小于柴油。
Combustion temperature and speed of bio-diesel fuel in the pre-mixed combustion period is higher than that of diesel fuel .
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升温速率增加使得氧化燃烧阶段失重峰值降低,而热流峰值增大。
With the increase of heating rate , the mass loss peaks reduce and heat flux increases in oxidation-combustion stage .
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表现在单滴温度在着火时刻会产生明显的突跃,存在明显的固体残炭的燃烧阶段,单滴体积会明显膨胀等。
It is of some characteristics of itself , such as , pyrolysis , obvious coke combustion process and volume expansion of droplet .
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通过对典型的单峰放热率曲线的拟合和分析,指出韦伯函数在拟合扩散燃烧阶段放热率时存在着不足;
The analysis of typical heat release rate reveals that there is a demerit of Wiebe 's function to simulate the diffuse combustion rate .
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在稳态托卡马克堆的燃烧阶段,当感应电流下降后,新经典输运产生的自举电流便成为维持稳定电流的最好手段。
After the induced current damp out , the neoclassical bootstrap current is the best method to maintain the needed stable current in a steady-state tokamak reactor .
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初步分析的结果认为:蓝回绕的形状和中心氦燃烧阶段的总产能率的变化相关联。
We find that the feature of blue loops is correlated to the variation of the total energy production rate of the star during the core He-burning .
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结果表明,相对于重力及自转离心力而言,在核燃烧阶段,湍流应力可以忽略;
The result indicated that the turbulent stress may be neglected In the nucleus burning stages , because stress is very small to gravity and the rotation centrifugal force ;
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由于柴油机的滞燃期、燃烧阶段是一个复杂的过程,因此本文提出了一种比较简单的模型,以简化计算,适应控制模型的要求。
Because the diesel engine 's ignition delay and combustion are a complex process , this paper propose a simpler model to simplify calculation and to meet the requirement of the controlled model .
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通过实验结果,修正了沸溢时间预测模型。(3)实验发现,稳态燃烧阶段水层温度、油水界面温度升高速度几乎一致。
Boilover time prediction model was modified according to experiment results . ( 3 ) The experiments showed that the temperature of water layer and oil-water interface raise at the almost unanimously speed in the steady combustion stage .
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研究结果表明:生物柴油的喷油时刻较早,着火时刻提前,在早期预混燃烧阶段的燃烧速度大于0柴油,而在扩散燃烧阶段的燃烧速度比0柴油低。
Results show that for the biodiesel , fuel injection timing is earlier , combustion phasing advances , and its combustion is faster in the initial pre-mixed combustion stage , but slower in the spread combustion stage compared with the diesel fuel .
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结果表明,该型柴油机在低负荷下采用涡流气道进气,有利于缩短滞燃期,增加主燃烧阶段的燃烧百分数,达到了改善低负荷下燃烧的目的。
The results show that swirl inlet adopted on this type of diesel engine under low load condition is of benefit to shorten combustion delay period and increase the combustion percent in main-burnt period , so the goal of improving combustion can be achieved .
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燃烧完成阶段的产物冷却结晶过程;
Nucleation and crystallization of the product after the reaction ;
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结果表明:在煤燃烧的不同阶段,N2O的转化率与煤种有关;
Test results indicate that the transformation rate of N 2O depends much on coal rank in different stages of coal combustion .
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实验结果表明在相同实验条件下,PVC护套原料与对应电缆试样的HRR在燃烧的初始阶段(约240s内)有很好的相关性。
Experimental results show that the correlation of HRR of PVC sheath material and overall cables is very good in the first four-minute under the same test condition .
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本文通过对直径为1m、1.5m和2.7m的汽油储罐进行火灾实验,分析了汽油罐燃烧时不同阶段的燃烧特性。
An Experimental study was made to explore the burning characteristics in oil tank fires and the gasoline was burned in three different sized tanks 1 m , 1.5 m and 2.7 m in diameter .
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根据点火曲线,可将其分为加热、着火和燃烧三个阶段。
On the basis of ignition heating up curve , the ignition procedure is divided into three stages-heating , firing and burning .
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之后对实验波形进行分析,确定电弧燃烧的各个阶段以及各阶段的特征参量:燃弧时间和电压平台电压的取值。
Then , the waveforms were used to definite the two arc stages and the their characteristic parameters : each arc time and voltage values of arc platforms .
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指出了混合燃烧在现阶段是一种低成本、低风险可再生能源利用方式,并提出了有关政策建议。
In conclusion , the author indicates that the mixed firing technology is currently a way of using renewable energy with low cost and low risks . Recommendations on the application policy are also presented .
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缸内直喷时刻主要影响分层复合燃烧的第三阶段扩散燃烧。
The in-cylinder direct injection timing mainly affects the third diffusive combustion of HCCI / DI .
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煤热解是煤转化过程中(气化、液化、燃烧)的初始阶段,研究煤的热解对煤的其它转化都有很重要的意义。
Coal pyrolysis is an initial process of all major coal conversion , like gasification and combustion , carbonization , therefore , research on pyrolysis is very important for coal conversion process .