unsteady combustion meaning in English

不稳定燃烧

The sensitive time lag theory circumvents the problems inherent in the description of unsteady combustion by use of a simplified two-parameter response function .
敏感时滞理论用简化的双参数响应函数来描述不稳定燃烧，从而绕过了某些固有的难点。
This paper prensents the method and system providing gasoline engine with lean fuel - air , analyses the influence on the engine performance when fuel - air is thinning , and proposes the principle of controlling steady combustion on edge of unsteady combustion , which has been validated by experiments
介绍了供给汽油机稀混合气的方法和系统；分析了混合气逐步变稀时对汽油机性能的影响；提出了不稳定燃烧边缘的稳定控制理论，并为台架实验所证实。
To study the acoustic unsteady combustion of srm , built the acoustic model of chamber . deduced the little amplitude sound wave 3d equation , used the finite volume discrete method to simulate . got the vibration model of three kinds of chamber
为研究固体火箭发动机声不稳定燃烧特性,建立了燃烧室内声学特性分析的物理数学模型,推导了小振幅声波三维波动方程,采用有限体积离散方法进行仿真,得到圆柱型、四片翼柱彤和五片翼柱型药柱三种燃烧室形状声学振动基本模态