[1]冉茂宇.非出水时段电热水器加热时间与能耗的预测模型[J].华侨大学学报(自然科学版),2016,37(2):247-251.[doi:10.11830/ISSN.1000-5013.2016.02.0247]
 RAN Maoyu.Prediction Model of the Heating Time and Energy Consumption of Electric Water Heater During the Un-Draining Period[J].Journal of Huaqiao University(Natural Science),2016,37(2):247-251.[doi:10.11830/ISSN.1000-5013.2016.02.0247]
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非出水时段电热水器加热时间与能耗的预测模型()
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《华侨大学学报(自然科学版)》[ISSN:1000-5013/CN:35-1079/N]

卷:
第37卷
期数:
2016年第2期
页码:
247-251
栏目:
出版日期:
2016-03-20

文章信息/Info

Title:
Prediction Model of the Heating Time and Energy Consumption of Electric Water Heater During the Un-Draining Period
文章编号:
1000-5013(2016)02-0247-05
作者:
冉茂宇
华侨大学 建筑学院, 福建 厦门 361021
Author(s):
RAN Maoyu
College of Architecture, Huaqiao University, Xiamen 361021, China
关键词:
电热水器 加热时间 加热能耗 预测模型 非出水时段
Keywords:
electric water heater heating time energy consumption prediction model un-draining period
分类号:
TM925.32;TK12
DOI:
10.11830/ISSN.1000-5013.2016.02.0247
文献标志码:
A
摘要:
首先,通过对电热水器加热过程热平衡方程的解析,导出壳体内水温在加热过程中的理论计算公式.在此基础上,提出电热水器水温加热到设定温度所需加热时间与加热能耗的理论预测模型,并通过计算值与实测值对比,验证预测模型的有效性.最后,通过对不同工况的计算,考察不同因素对加热时间和加热能耗的影响.研究结果表明:随着水容量和设定温度的提高,加热时间和加热能耗显著增加;初始水温提高,加热时间和加热能耗明显减少;加热功率增加,加热时间呈指数减少,加热能耗减少不明显;保温性能和环境气温的提高有助于减少加热时间和加热能耗.
Abstract:
The thermal balance equation of heating process of electric water heater during the un-draining period was analyzed, the calculation formula of water temperature was derived, then the prediction model of heating time and energy consumption was put forward. Through the comparison between calculation results and test results, the validity of the prediction model was verified. By case calculations under different condition, the effect of different factor on heating time and energy consumption was investigated. It shows that: as the water capacity and set temperature increase, the heating time and energy consumption increase obviously; as the initial water temperature increases, the heating time and energy consumption decrease significantly; as the heating power increases, the heating time decreases exponentially, but the energy consumption reduces little; the better thermal insulation and higher air temperature are conducive to reduce the heating time and energy consumption.

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相似文献/References:

[1]冉茂宇.不同出水方式下电热水器出水时间与出水量的预测模型[J].华侨大学学报(自然科学版),2016,37(4):451.[doi:10.11830/ISSN.1000-5013.201604012]
 RAN Maoyu.Prediction Model of Water Draining Time and Volume for Electric Water Heater in Different Water Draining Modes[J].Journal of Huaqiao University(Natural Science),2016,37(2):451.[doi:10.11830/ISSN.1000-5013.201604012]

备注/Memo

备注/Memo:
收稿日期: 2015-10-13
通信作者: 冉茂宇(1967-),男,教授,博士,主要从事建筑热工与建筑节能、室内外热湿环境、绿色建筑与生态技术的研究.E-mail:ranmaoyu@hqu.edu.cn.
基金项目: 国家自然科学基金资助项目(51078156); 福建省自然科学基金资助项目(2010J01297); 福建省小发明、小创造专项基金资助项目(2009-2011年度); 华侨大学基本科研业务费专项基金资助项目(JB-JC1006);
更新日期/Last Update: 2016-03-20