At the exit of the bluff-body, recirculation area is formed because of the negative downstream axial velocity.
在燃烧器出口钝体下游轴向速度为负，形成回流区。
In this paper, a comprehensive model for the response dynamics of premixed ducted bluff-body stabilized flame is developed.
本文建立了管道预混火焰动态响应的理论模型。
The PDF method has been applied to investigate the premixed turbulent reactive flows past bluff-body in a rectangle combustor.
本文采用PDF方法对矩形燃烧室内钝体后的湍流预混火焰进行了数值模拟。
Research results of the cold aerodynamic flow characteristics of a bluff-body flame stabilizer mounted on the outlet of a tangential burner are reported.
本文主要介绍在直流式燃烧器出口加装钝体稳燃器后的冷态空气动力特性的研究成果。
In this paper a brief examination is made of the various techniques available for measurement of cold flow-field in the wake of bluff-body flame stabilizer.
本文通过对各种测量冷态流场方法的比较，提出了使用普通探针测定二元火焰稳定器回流区的新方法。
It can be concluded that the modified LRR-IP models as well as SSG model are superior to other SMTC models in the turbulent nonpremixed bluff-body stabilized flame.
研究结果表明，对于钝体稳定火焰，SSG模型以及两个修正后的LRR IP模型要优于其他几个二阶矩封闭湍流模型。
In this paper, a notion that there is steady recirculating zone in the flow field of asymmetry bluff-body is presented, based on the foregone mechanism of flame stab.
本文在钝体燃烧器稳燃机理研究方面已具有较好基础的前提下，提出一种设想：在非对称钝体的流场中具有稳定的回流结构。
This paper presents the combustion efficiency characteristics of an afterburner with bluff-body flame holders investigated with both numerical and experimental methods.
本文对装有钝体火焰稳定器的加力燃烧室燃烧效率特性进行了数值分析和实验研究。
The combustible loss reduction in the fly ash and the economic problem of improving the combustion of inferior coal in the boiler equipped with a bluff-body flame stabilizer are studied.
本文研究了在劣质煤燃烧中应用钝体稳燃装置降低飞灰可燃物损失和提高燃烧劣质煤的经济性问题。
On both sides of the bluff-body there exists high concentration and the airflow impact the bluff-body with a certain angle, which causes severe erosion of the two sides of the bluff-body.
在钝体两侧煤粉浓度比较大，且气流以一定角度冲刷，因此在钝体两侧煤粉对其冲刷严重，磨损加剧。
Experiments show that a new-type pulverized coal burner with a slit bluff-body designed on the said principle is suitable for the ignition and flame stability of low volatile pulverized coal.
实验证明，根据这一原则设计的开缝纯体燃烧器对低挥发分煤粉的着火与火焰稳定具有较好的适应性。
We made the flow visualization experiment for flow over bluff body or dual bluff body to study the characteristics of vortex shedding.
采用烟雾成像的可视化方法，对单、双三角柱型钝体的旋涡脱落特性进行了实验研究。
The dynamics characteristics of dual bluff body vortex and the best structure of dual bluff body vortex improving fluid oscillation are studied.
研究了双钝体旋涡脱离的流体动力学特性以及利用双钝体增强流体振动的最佳组合结构。
Therefor, using the dual bluff body configuration and the differential sensing technique, a novel prototype of vortex flowmeter with excellent noise immunity and improved sensibility was developed.
采用双钝体组合结构和差动传感技术，能够研制出抗干扰性能良好和高灵敏度的新型涡街流量计。
By the method of water flow pattern visualization with hydrogen bubbles, the near wake flow behind a slit bluff body has been experimentally studied.
采用水模拟氢气泡流动显示的方法对开缝钝体近尾流结构进行了实验研究。
Furthermore, the influence of bluff body on the size of circumfluence area and the velocity distribution near the bluff body is researched.
此外，本文还重点分析了钝体及旋流二次风速对回流区尺寸的影响。
At the same time, the experimental results show that the method of the isolate elasticity has little effect on the anti-jamming performance of the dual bluff body vortex flowmeter.
运用正交实验法研究了不同双钝体组合对斯特劳哈尔数影响，得出通过选择适当的钝体及钝体组合，通过试验可以设计出满足要求的涡街流量计的结论。
The ignition and combustion characteristics of sugarcane chaff's volatile behind bluff body and slitting bluff body burner are analyzed.
对钝体、开缝钝体燃烧器后蔗糠挥发分着火性能进行了分析。
The detection of contract bluff crime should be focused on checking the suspect's criminal intention, criminal main body, criminal conduction and capital flow, etc.
合同诈骗犯罪的侦查重点要放在查清犯罪嫌疑人犯罪的故意、犯罪主体、犯罪行为及资金流向等方面。
By the experimental bench of bluff body flame and under different working orders, the speed in blowing out the flame of methane premixing gas with vapour is measured.
利用钝体稳定火焰实验台，在不同工况下，测量了含水蒸汽的甲烷预混气的火焰吹熄速度。
The conclusion shows that slitting bluff body burner is suitable for sugarcane chaff's suspended combustion.
得出了蔗糠悬浮燃烧宜采用开缝钝体燃烧器的结论。
By the comparison of simulation results and experiment data, the subgrid scale models can simulate the transient turbulent flow and recirculation zone behind the bluff body stabilizer.
通过计算结果及实验数据的比较可知，本文采用的亚网格尺度模型可以用来模拟模型燃烧室紊流流场及稳定器后面回流区的流动情况。
To understand flame holding mechanism of a slotted bluff body based on the resolution of its coherent structure in the wake.
弄清开缝钝体尾迹的拟序结构是认识其火焰稳定机理的基础。
The compressible flow past a bluff body is of importance in fundamentals and applications. The relevant work has been studied using large eddy simulation in this dissertation.
钝体可压缩绕流是流体力学研究中的重要课题之一，相关问题广泛存在于工程应用中。
The conclusion shows that slitting bluff body burner is suitable for sugarcane ch...
得出了蔗糠悬浮燃烧宜采用开缝钝体燃烧器的结论。
The detection of contract bluff crime should be focused on checking the suspect's criminal intention, criminal main body, criminal conduction and capital flow,...
合同诈骗犯罪的侦查重点要放在查清犯罪嫌疑人犯罪的故意、犯罪主体、犯罪行为及资金流向等方面。
Experimental investigations of control of separation flows of several typical geometry configurations have been reviewed, such as, 2d backward facing step, airfoil, axisymmetric bluff body, etc.
综述了二维后向台阶、翼型以及轴墩称钝体等典型分离流动激振控制的实验研究。
Experimental investigations of control of separation flows of several typical geometry configurations have been reviewed, such as, 2d backward facing step, airfoil, axisymmetric bluff body, etc.
综述了二维后向台阶、翼型以及轴墩称钝体等典型分离流动激振控制的实验研究。
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