【摘 要】
：
从一般的热力学原理或其它自然原理对唯象关系所强加的限制,能够演绎出大气系统的一系列热力学性质.利用非平衡态线性热力学导出了湍流K闭合理论中湍流交换系数同唯象系数的
【机 构】
：
Resource Environment College of Lanzhou University
论文部分内容阅读
从一般的热力学原理或其它自然原理对唯象关系所强加的限制,能够演绎出大气系统的一系列热力学性质.利用非平衡态线性热力学导出了湍流K闭合理论中湍流交换系数同唯象系数的关系,从理论上证明大气系统热量湍流输送同水汽之间存在交叉耦合,还导出了湍流强度同速度和位温梯度的关系,从而证明速度和位温空间分布的非均匀性是湍流之源.并证明湍流强度定理,不可压缩气体和各向同性湍流大气中,湍流强度正比于速度与位温梯度的标积.进而证明大气涡旋定理,位温的切变将导致涡旋运动或各种环流运动,速度涡度等于速度同位温相对梯度的矢积.展现了线性热力学在大气系统的应用前景.
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