[1]张晓静,王远成*,潘钰,等.静态粮堆冷却与干燥通风温湿度模拟研究[J].山东建筑大学学报,2016,(01):47-52.
 Zhang Xiaojing,Wang Yuancheng*,Pan Yu,et al.Simulation of temperature and moisture in static grain storage during cool and dry ventilation[J].Journal of Shandong jianzhu university,2016,(01):47-52.
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静态粮堆冷却与干燥通风温湿度模拟研究()
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《山东建筑大学学报》[ISSN:1673-7644/CN:37-1449/TU]

卷:
期数:
2016年01期
页码:
47-52
栏目:
研究论文
出版日期:
2016-02-20

文章信息/Info

Title:
Simulation of temperature and moisture in static grain storage during cool and dry ventilation
作者:
张晓静王远成*潘钰 尉尧方 高帅
(山东建筑大学教育部 可再生能源建筑利用技术实验室, 山东 济南 250101)
Author(s):
Zhang XiaojingWang Yuancheng* Pan Yu et al.
(Key Laboratory of Renewable Energy Utilization Technologies in Buildings of the National Education Ministry, Shandong Jianzhu University, Jinan 250101, China)
关键词:
Fortran程序储粮通风传热传质
Keywords:
Fortran program calculation ventilation of wheat storage heat and mass transfer
分类号:
TS205
文献标志码:
A
摘要:
小麦储藏过程中,温度和水分是安全储粮的关键因素,通风过程中小麦堆的温度和水分的模型模拟研究对于安全储粮具有指导意义。文章基于局部热质平衡原理采用Fortran程序建立了一套新的数学模型,围绕静态粮堆冷却与干燥通风过程,通过对不同通风情况下粮堆温度和水分变化的模拟研究,阐明了粮堆通风过程中温度和水分变化的一般规律。结果表明:对于小麦堆的干燥过程,小麦堆的温度先升高达到峰值26 ℃后又逐渐趋近于进风温度,随着通风时间的增加,小麦堆水分普遍降低;对于小麦的冷却过程,小麦堆的温度随着进风状态的改变而改变;通过模拟结果以及实验结果的对比分析,文中模型对温度的模拟结果的误差最大只有2℃,测量和预测水分的最大差值为1.19%。
Abstract:
The temperature and moisture content is critical to achieving safe wheat storage. The researchers have designed a variety of mathematical models to predict the temperature and moisture content of wheat during ventilation, which generally takes a lot of money and time. The problem can be solved effectively by a new mathematical model based on local heat and mass balance principle and Fortran program. It makes the simulation research of grain temperature and moisture in different ventilation conditions and explores the general law of grain temperature and moisture variation. The results show: the temperature of wheat rises peak first and then approaches the temperature of incoming air gradually during the drying ventilation(t=0-25), and the moisture of wheat decreases generally with the increase of ventilation time; the temperature of the wheat changes with the condition of incoming air during cooling ventilation(t=0-80). The model has higher accuracy compared with the previous simulation results and experimental results, and it exists 2 ℃ error in temperature and 1.19% error in moister content only. The model is universal and practical for different kinds of grain and it is very significant for the guidance of wheat storage.
更新日期/Last Update: 2016-03-17