内部燃烧 meaning in English
internal ignition
Examples
- With the rapid development of computational fluid dynamics and combustion theory , applying the computer to numerically simulate the complicated processes in the plasma ignition is possible . using numerical simulation can estimate the parameters which are not essay to measure and not doing so many experiments can improve its reliability and reduce the cost . so numerical simulation is a new pattern way to study the inner mechanism of the plasma ignition
随着计算流体力学和燃烧理论的发展及计算机的广泛应用,用数值模拟等离子点火器内部燃烧系统流动、传热、传质、化学反应等复杂的过程已成为可能。应用数值模拟的方法可以对实验难以测量的量进行预估,而不需要大量的试验,应用数值模拟的方法来解决等离子点火器燃烧性能的分析和工程设计,有利于提高工作的可靠性和经济性。 - In this article , constituting some the equations which reflect the flow law and building and applying many mathematical models of physical and chemical reactions in the the plasma ignition : applying k - two equations turbulence model to calculate the turbulence parameter supplying simplied reaction systerm model and applying eddy break - up model and p - i thermal radiation model . with these reasonable simplied modles , numerically simulating the flow field in the plasma ignition . during the numerical simulation , applying the body - fitted coordinates for the complex geometry of the computional field ; using the mixing format to disperse the equations ; applying simplec algorithm method to solve the equations ; using above models and methods , it can get flow field distribution ; including temperature , pressure , turbulent kinetic energy and its dissipation rate , turbulent viscosity , velocity , density . these results are significant to design and improve the plasma ignition
本文旨在通过构造反映等离子点火器内部流动规律的基本方程组,建立描述等离子点火器内部的复杂物理化学过程机制数学模型:模拟等离子发生器内部燃烧的-双方程湍流流动模型;模拟气体燃料在燃烧时中化学反应的简单化学反应系统模型;模拟等离子点火器内部湍流预混燃烧的漩涡破碎模型;模拟等离子点火器高温燃气及其壁面的p - i辐射换热的模型等等,对模型进行一定的合理的简化,然后数值模拟等离子点火器内部流场的流动。