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Drying kinetics of RDX under atmospheric pressure and vacuum conditions

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weixu527: 金币+10, ★★★★★最佳答案, 谢啦 2014-10-13 12:49:59
Drying kinetics of RDX under atmospheric pressure and vacuum conditions


作者:Zhang, YX (Zhang Yaoxuan)[ 1 ] ; Chen, HH (Chen Houhe)[ 1 ] ; Chen, T (Chen Teng)[ 1 ]




ENERGY CONVERSION AND MANAGEMENT



卷: 80

页: 266-275

DOI: 10.1016/j.enconman.2014.01.039

出版年: APR 2014

查看期刊信息



















































摘要

The drying characteristics of hexahydro-1,3,5-trinitro-1,3,5-triazine (RDX) are investigated in the ranges of 60-90 degrees C of drying temperature under atmospheric pressure and vacuum conditions in a laboratory scale dryer. The effect of drying temperature and absolute pressure on the drying characteristics is determined. In order to estimate and select the suitable form of RDX drying curves, the curves are fitted to ten different semi-theoretical and/or empirical thin-layer drying models and coefficients are evaluated by non-linear regression analysis. The models are compared based on their coefficient of determination, such as mean bias error, root mean square error, reduced chi-square and modeling efficiency between experimental and predicted moisture ratios. It is deduced that Midilli-Kucuk model has shown a better fit to the experimental drying data as compared to other models. A diffusion model is used to describe the moisture transfer and the effective diffusivity for RDX drying is also determined at each temperature. Beside, the activation energy is also expressed using Arrhenius-type relationship under atmospheric pressure and vacuum conditions. (C) 2014 Elsevier Ltd. All rights reserved.


关键词

作者关键词:RDX; Atmospheric pressure; Vacuum; Drying models; Temperature

KeyWords Plus:SOLAR-ENERGY; LAYER; SLICES; DRYER; MODEL; PERFORMANCE; MOISTURE


作者信息

通讯作者地址: Zhang, YX (通讯作者)





Nanjing Univ Sci & Technol, Inst Chem Engn, Nanjing 210094, Jiangsu, Peoples R China.





地址:





[ 1 ] Nanjing Univ Sci & Technol, Inst Chem Engn, Nanjing 210094, Jiangsu, Peoples R China





电子邮件地址:yao85225@126.com


基金资助致谢



基金资助机构

授权号



National Natural Science Foundation Committee of China





Chinese Academy mutual fund of Engineering Physics (NSAF)


10276018

10776012

查看基金资助信息   




出版商

PERGAMON-ELSEVIER SCIENCE LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND


类别 / 分类

研究方向:Thermodynamics; Energy & Fuels; Mechanics; Physics

Web of Science 类别:Thermodynamics; Energy & Fuels; Mechanics; Physics, Nuclear


文献信息

文献类型:Article

语种:English

入藏号: WOS:000334897700029

ISSN: 0196-8904

电子 ISSN: 1879-2227


期刊信息


Impact Factor (影响因子): Journal Citation Reports®


其他信息

IDS 号: AF7LX

Web of Science 核心合集中的 "引用的参考文献": 38

Web of Science 核心合集中的 "被引频次": 1
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