碩士 / 國防大學中正理工學院 / 造船工程研究所 / 90 / Abstract
A computational study has been performed to predict the detailed flow structure and distribution of temperature on a three-dimensional full-scaled warship. The solid model and multi-block grid system of warship is constructed by a commercial code, ICEM/CFD. In order to simulate the complicated thermal-flow phenomena, a multi-block, three-dimensional Navier-Stokes commercial solver, CFX 4.3, has been used to solve the governing equations. Owing to calculate the complete flow pattern and thermal phenomena,heat transfer models of convection, conduction and radiation are considered. That is, the RADFLO module within CFX4.3 was applied here. The finite-volume method is the main numerical method in this study. The numerical scheme for thermal radiation effect is based on the Monte-Carlo method. The quasi-random number was introduced to the calculation of radiant heat exchange between non-diffuse-gray surface of complex geometrical structure. Finally, the numerical data are visualized and analysed by two useful softwares, Tecplot and Fieldview.
The present numerical result can be used to test the function of antiradiation-paint in suppression of IR signature radiated from naval ships by solar sun. Comparing the temperature distribution of plates on the hue of warship with and without paint, it is easy to find the temperature of plate with paint is lower than that of plate without paint. The anti-radiation paint is one of the available method that can be used in the suppression of solar radiation.
| Identifer | oai:union.ndltd.org:TW/090CCIT0345001 |
| Date | January 2002 |
| Creators | 龍賓寧 |
| Contributors | , 劉思遠, 吳聖儒, 苗志銘 |
| Source Sets | National Digital Library of Theses and Dissertations in Taiwan |
| Language | zh-TW |
| Detected Language | English |
| Type | 學位論文 ; thesis |
| Format | 0 |
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