Molecualr Dynamics Simulation on Argon Release Process in Different Diameter of SWNTs by Different System Temperature

碩士 === 國立臺北科技大學 === 製造科技研究所 === 94 === The release of argon molecules from several different diameter of open-end single-walled carbon nanotubes is studied with classical non-equilibrium molecules dynamics simulation. The forces in the simulation are determined using a Brenner potential for short-ra...

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Main Authors: Yu-Jen Chen, 陳佑任
Other Authors: Chin-Shu Wang
Format: Others
Language:zh-TW
Published: 2006
Online Access:http://ndltd.ncl.edu.tw/handle/3rb78c
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spelling ndltd-TW-094TIT056210042019-06-27T05:08:58Z http://ndltd.ncl.edu.tw/handle/3rb78c Molecualr Dynamics Simulation on Argon Release Process in Different Diameter of SWNTs by Different System Temperature 以分子動力學模擬不同管徑的奈米碳管於不同系統溫度下奈米液滴的製備 Yu-Jen Chen 陳佑任 碩士 國立臺北科技大學 製造科技研究所 94 The release of argon molecules from several different diameter of open-end single-walled carbon nanotubes is studied with classical non-equilibrium molecules dynamics simulation. The forces in the simulation are determined using a Brenner potential for short-ranged interactions and a Lennard-Jones potential for long-range interactions. During the explosion zone, it was found that non-continue molecules flow, like the spray, out of nanotube as the diameter of SWNTs decreased;more probability to become droplet as the diameter of SWNTs increased. According to the analysis, it can be seen that the system temperature decide the existence of backflow phenomenon. We define the time scale is logt because fitting in previous study. The nanodroplet diameter ratio (Dd), nanodroplet diameter divided by SWNTs diameter, is the function of system temperature and diameter of SWNTs and determined as follows: Dd( T , Dc ) = -0.0038( T – 300 ) + ( Dc - 3.388×2 ) / Dc This equation can be applied to Dc≧27.73 Chin-Shu Wang Shoei-Chyuan Lin 王金樹 林水泉 2006 學位論文 ; thesis 105 zh-TW
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language zh-TW
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description 碩士 === 國立臺北科技大學 === 製造科技研究所 === 94 === The release of argon molecules from several different diameter of open-end single-walled carbon nanotubes is studied with classical non-equilibrium molecules dynamics simulation. The forces in the simulation are determined using a Brenner potential for short-ranged interactions and a Lennard-Jones potential for long-range interactions. During the explosion zone, it was found that non-continue molecules flow, like the spray, out of nanotube as the diameter of SWNTs decreased;more probability to become droplet as the diameter of SWNTs increased. According to the analysis, it can be seen that the system temperature decide the existence of backflow phenomenon. We define the time scale is logt because fitting in previous study. The nanodroplet diameter ratio (Dd), nanodroplet diameter divided by SWNTs diameter, is the function of system temperature and diameter of SWNTs and determined as follows: Dd( T , Dc ) = -0.0038( T – 300 ) + ( Dc - 3.388×2 ) / Dc This equation can be applied to Dc≧27.73
author2 Chin-Shu Wang
author_facet Chin-Shu Wang
Yu-Jen Chen
陳佑任
author Yu-Jen Chen
陳佑任
spellingShingle Yu-Jen Chen
陳佑任
Molecualr Dynamics Simulation on Argon Release Process in Different Diameter of SWNTs by Different System Temperature
author_sort Yu-Jen Chen
title Molecualr Dynamics Simulation on Argon Release Process in Different Diameter of SWNTs by Different System Temperature
title_short Molecualr Dynamics Simulation on Argon Release Process in Different Diameter of SWNTs by Different System Temperature
title_full Molecualr Dynamics Simulation on Argon Release Process in Different Diameter of SWNTs by Different System Temperature
title_fullStr Molecualr Dynamics Simulation on Argon Release Process in Different Diameter of SWNTs by Different System Temperature
title_full_unstemmed Molecualr Dynamics Simulation on Argon Release Process in Different Diameter of SWNTs by Different System Temperature
title_sort molecualr dynamics simulation on argon release process in different diameter of swnts by different system temperature
publishDate 2006
url http://ndltd.ncl.edu.tw/handle/3rb78c
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