— Evolution、Structure and Complexities

• Main Authors: Jia-Ming Hsu, 許家銘
• Other Authors: Huei-Huang Chiu
• Format: Others
• Language: zh-TW
• Published: 2000
• Online Access: http://ndltd.ncl.edu.tw/handle/17024843396775173589

碩士 === 國立成功大學 === 航空太空工程學系 === 88 === The ignition and combustion of a droplet is fundamental and important research in modern spray combustion. The investigation focuses attention on two principal topics. The first section explores the ignition and behaviors of flame configurations of a convective droplet. Numerical study on the time dependent structure of a convicting droplet during the life-time under Reynold number 1, 10 ,50. As the Reynold number is 1、10, the flame structure generally changes from pure evaporation, to a wake flame, a transition flame, and finally to an envelope flame. But under the Reynold number 50, the flame structure only exists as pure evaporation and wake flame. Chiu developed a unified canonical theory in 1991. The laws of interfacial exchange rates of the scalar and vector properties and regression rate, which are both constructed by eigen-functions of Navier-Stokes equation, allow deductive analytical elucidations of basic non-linear complexities of droplet phenomena. In the second section, we apply canonical theory to analyze the dynamic and energetic transience of a droplet.