在没有详细而系统地研究喷雾燃烧的情况下,不可能完成非线性速度敏感性的定量分析。
Quantitative specification of the nonlinear velocity sensitivity cannot be accomplished without detailed and systematic studies of spray combustion.
针对再生式液体发射药火炮(RLPG)内弹道过程中非稳态喷雾燃烧流动问题,建立了数学模型,给出了具体的计算方法。
Aimed at nonsteady spray combustion flow problems of regenerative liquid propellant gun (RLPG) in process of interior ballistic, mathematical model was established, and numerical method was derived.
作者通过对喷雾阴影像和直接火焰像同时成像光路的改进,大大提高了燃烧过程高速摄影照片的质量。
The author improved the optical system for simultaneously photographing the spray shadow graph and combustion flame and got high quality of high speed photographs of combustion process.
对不同空气旋流强度下气泡雾化喷嘴出口下游喷雾流场特性及燃烧特行进行了诊断与分析。
Effects of air swirl intensity on atomization and combustion performance of effervescent atomized spray were investigated under different conditions.
研究结果将用作喷雾分布和燃烧过程计算的重要参数。
The predicted results were supposed to be the input for calculating the spray distribution and the combustion process.
比较分析了柴油机不同参数,包括喷雾碰撞形式、供油提前角、启喷压力等对第三代伞喷燃烧性能和排放的影响。
The effect of different diesel parameters such as spray impingement mode and fuel supply advanced Angle and injection opening pressure on the performance and emissions is compared and analyzed.
对钠雾火过程中涉及的液滴运动、液滴燃烧、喷雾燃烧以及质量热量传递问题进行了模拟。
The droplet motion, the droplet combustion, the spray combustion and the mass and heat transfer involved in the sodium spray fire were modeled.
本文对涡流室式柴油机在冷起动条件下主、副燃烧室内燃油喷雾和着火过程进行了高速摄影。
The high speed photography was applied to visualize the fuel spray and ignition process in main and prechamber in a swirl type diesel engine at cold starting condition.
速燃期内高温富碳燃烧区的形状与着火前一时刻喷雾场的形状相吻合;
The shape of rich soot combustion area at high temperature coincides with the share of spray area before ignition.
而气缸或燃烧室内的气流运动和燃料的喷雾特性,是影响柴油机混合气形成和燃烧过程的两大重要因素。
The gas flow and fuel spray status in combustion chamber are two important factors which affect the mixture formation in diesel cylinder.
利用计算流体力学软件对煤油在所设计的双模态超声速燃烧室内的超声速喷雾燃烧进行了数值模拟。
Numerical analysis of the kerosene spray supersonic combustion was carried out in the dual-mode supersonic combustor with the CFD software.
针对亚燃冲压发动机燃烧室内部流动特点,结合二元稳定器试验台高速气流场燃油雾化特性试验,建立试验件三维模型并对其喷雾两相流动进行数值模拟。
Based on experimental investigation of the liquid fuel atomization in high speed airflow and the flow characteristics of ramjet combustion chamber, a three-dimensional model was established.
对发动机喷油系统参数对二甲醚(DME)喷雾燃烧过程的影响进行了实验研究,包括喷孔直径和喷油提前角对喷雾燃烧过程的影响。
The influence of injection parameters including the nozzle diameter and injection timing on the spray and combustion process of dimethyl ether (DME) was investigated.
主要研究气动喷嘴出口气流紊流脉动对喷雾浓度场及燃烧状态温度场的影响。
The effects of turbulence intensity on liquid spray distribution and temperature profile behind airblast atomizer have been investigated.
泵-管-嘴式喷油系统中喷油嘴与高压油管的结构参数决定燃油的喷雾质量,从而影响整个柴油机的燃烧状况。
The quality of fuel spray is decided by the structure of nozzle and high-pressure fuel pipe in the pump-tube-nozzle fuel injection system, and it influences the whole diesel combustion.
混合分数平衡化学反应模型和离散液滴模型能准确地预测煤油在双模态燃烧室内的喷雾燃烧。
The mixture-fraction equilibrium chemistry model and discrete droplet model can predict correctly kerosene spray supersonic combustion.
本文主要针对喷雾雾化式液体型汽车加热器对于燃烧的特殊要求,探讨对其燃烧室的设计与计算。
This is an article about design and calculational method of a new type automotive heater's firebox which can meet special need of combustion.
喷雾激光测试实验室由上海交通大学和美国通用汽车公司联合建成,负责喷雾与燃烧领域的相关研究。
The spray laser diagnostics laboratory is founded by SJTU and GM jointly. This laboratory focuses on the spray and combustion fundamental research.
此外,本文还着重研究了燃烧室形状对缸内气体流动及喷雾的影响。
In addition, the effects of the combustion chamber shape on flow and spray process were discussed.
在燃烧室壁面附近,柴油的喷雾锥角迅速增大,而DME喷雾锥角几乎没有明显的变化。
Near the chamber wall and impingement spray, the spray angle of the diesel fuel spray increased very fast, but that of the DME spray almost had no significant change.
喷雾锥角对发动机蒸发和燃烧过程有显著的影响,存在一个最佳的喷雾锥角使上述过程达到最优。
It is found that there are optimum swirl ratio and spray Angle for better evaporation and combustion.
本文首次向国内陶瓷界介绍一种具有九十年代国际先进水平的喷雾燃烧技术——气泡雾化喷雾技术。
An atomizing burning technique with international advanced level of 90s — Effervescent atomization technique is introduced for the first time to the ceramic field of China.
当我们清扫大街,燃烧或者过度放牧时,更多的粉尘,这也是一种喷雾状物,参与大气循环。
More dust, also an aerosol , circulates in the atmosphere when land is cleared, burned or overgrazed.
本文提出一种能够实现三维可视化的燃烧室内燃油分布和喷雾着壁特性计算的方法。
A simulation method for fuel distribution and impinging in DID engine combustion chamber was proposed to realize 3-d visualization.
本文提出一种能够实现三维可视化的燃烧室内燃油分布和喷雾着壁特性计算的方法。
A simulation method for fuel distribution and impinging in DID engine combustion chamber was proposed to realize 3-d visualization.
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