Article(id=1222493254793285932, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1222493244286558340, articleNumber=null, orderNo=null, doi=10.19666/j.rlfd.202212199, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=1670342400000, revisedDateStr=2022-12-07, acceptedDate=null, acceptedDateStr=null, onlineDate=1769394704767, onlineDateStr=2026-01-26, pubDate=1692892800000, pubDateStr=2023-08-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1769394704767, onlineIssueDateStr=2026-01-26, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1769394704767, creator=13701087609, updateTime=1769394704767, updator=13701087609, issue=Issue{id=1222493244286558340, tenantId=1146029695717560320, journalId=1210938733613449225, year='2023', volume='52', issue='8', pageStart='1', pageEnd='196', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1769394702264, creator=13701087609, updateTime=1769394819736, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1222493737050169898, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1222493244286558340, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1222493737050169899, tenantId=1146029695717560320, journalId=1210938733613449225, issueId=1222493244286558340, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=121, endPage=128, ext={EN=ArticleExt(id=1222493255061721407, articleId=1222493254793285932, tenantId=1146029695717560320, journalId=1210938733613449225, language=EN, title=Simulation study on steam hybrid modeling of integrated energy system in industrial parks, columnId=1211002405299294959, journalTitle=Thermal Power Generation, columnName=Thermal energy science research, runingTitle=null, highlight=null, articleAbstract=

In view of the current lack of dynamic modeling and analysis of steam modeling in the integrated energy system of industrial parks, the numerical method needs to balance between accuracy and computational efficiency. Based on the basic equation of steam flow, this paper establishes a mathematical model of the hydrothermal process of steam flow. Hydrothermal model is carried out by using a mixture of analytical and numerical methods, and the thermal model is solved by finite difference method for simulation. Compared with the simulation data of commercial simulation software, the solution error of this method is about 0.43%, and the influence of different solution conditions on the thermal process is explored. It was found that an increase in spatial step size would increase the volatility of the temperature curve. As the inner diameter of the pipeline increases, the temperature transfer slows down and the response speed of the model decreases; The initial pressure does not have a significant impact on the solving process and accuracy of the model.

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针对目前工业园区综合能源系统中蒸汽建模缺乏动态建模与分析以及求解时采用数值法需要在精度和计算效率间平衡的问题,基于蒸汽流动基本方程,建立蒸汽流动过程的水力热力过程数学模型。通过解析与数值混合的方法进行水力热力建模,并采用有限差分法求解热力模型。将该方法与商业仿真软件仿真数据相比:求解误差在0.43%左右,同时探究了不同求解条件对于热力过程的影响;发现空间步长增大会使温度曲线的波动性增加;随着管道内径增大,温度传递变慢,模型响应速度下降;初始压力对模型的求解过程和精度并无太大影响。

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林小杰(1992),男,博士,副研究员,主要研究方向为能源系统调度优化,
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周懿(1983),女,博士,助理研究员,主要研究方向为供热管网稳动态分析与运行调控,

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周懿(1983),女,博士,助理研究员,主要研究方向为供热管网稳动态分析与运行调控,

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工业园区综合能源系统蒸汽混合建模仿真研究
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周懿 1, 2 , 李建训 3 , 王家乐 4 , 林小杰 2, 4 , 钟崴 2, 4
热力发电 | 热能科学研究 2023,52(8): 121-128
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热力发电 | 热能科学研究 2023, 52(8): 121-128
工业园区综合能源系统蒸汽混合建模仿真研究
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周懿1, 2 , 李建训3, 王家乐4, 林小杰2, 4 , 钟崴2, 4
作者信息
  • 1.常州英集动力科技有限公司,江苏 常州 213022
  • 2.浙江大学常州工业技术研究院,江苏 常州 213000
  • 3.招远玲珑热电有限公司,山东 招远 265400
  • 4.浙江大学能源工程学院,浙江 杭州 310027
  • 周懿(1983),女,博士,助理研究员,主要研究方向为供热管网稳动态分析与运行调控,

通讯作者:

林小杰(1992),男,博士,副研究员,主要研究方向为能源系统调度优化,
Simulation study on steam hybrid modeling of integrated energy system in industrial parks
Yi ZHOU1, 2 , Jianxun LI3, Jiale WANG4, Xiaojie LIN2, 4 , Wei ZHONG2, 4
Affiliations
  • 1.Changzhou Engipower Technology Co., Ltd., Changzhou 213022, China
  • 2.Changzhou Industrial Technology Research Institute of Zhejiang University, Changzhou 213000, China
  • 3.Linglong Group ThermoElectron Corporation, Zhaoyuan 265400, China
  • 4.College of Energy Engineering, Zhejiang University, Hangzhou 310027, China
出版时间: 2023-08-25 doi: 10.19666/j.rlfd.202212199
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针对目前工业园区综合能源系统中蒸汽建模缺乏动态建模与分析以及求解时采用数值法需要在精度和计算效率间平衡的问题,基于蒸汽流动基本方程,建立蒸汽流动过程的水力热力过程数学模型。通过解析与数值混合的方法进行水力热力建模,并采用有限差分法求解热力模型。将该方法与商业仿真软件仿真数据相比:求解误差在0.43%左右,同时探究了不同求解条件对于热力过程的影响;发现空间步长增大会使温度曲线的波动性增加;随着管道内径增大,温度传递变慢,模型响应速度下降;初始压力对模型的求解过程和精度并无太大影响。

蒸汽系统  /  动态模型  /  热力模型  /  有限差分法  /  向后差分

In view of the current lack of dynamic modeling and analysis of steam modeling in the integrated energy system of industrial parks, the numerical method needs to balance between accuracy and computational efficiency. Based on the basic equation of steam flow, this paper establishes a mathematical model of the hydrothermal process of steam flow. Hydrothermal model is carried out by using a mixture of analytical and numerical methods, and the thermal model is solved by finite difference method for simulation. Compared with the simulation data of commercial simulation software, the solution error of this method is about 0.43%, and the influence of different solution conditions on the thermal process is explored. It was found that an increase in spatial step size would increase the volatility of the temperature curve. As the inner diameter of the pipeline increases, the temperature transfer slows down and the response speed of the model decreases; The initial pressure does not have a significant impact on the solving process and accuracy of the model.

steam system  /  dynamic model  /  thermal model  /  finite difference method  /  backward differential
周懿, 李建训, 王家乐, 林小杰, 钟崴. 工业园区综合能源系统蒸汽混合建模仿真研究. 热力发电, 2023 , 52 (8) : 121 -128 . DOI: 10.19666/j.rlfd.202212199
Yi ZHOU, Jianxun LI, Jiale WANG, Xiaojie LIN, Wei ZHONG. Simulation study on steam hybrid modeling of integrated energy system in industrial parks[J]. Thermal Power Generation, 2023 , 52 (8) : 121 -128 . DOI: 10.19666/j.rlfd.202212199
  • 国家自然科学基金项目(51806190)
  • 国家重点研发计划项目(2019YFE0126000)
2023年第52卷第8期
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文章信息
doi: 10.19666/j.rlfd.202212199
  • 首发时间:2026-01-26
  • 出版时间:2023-08-25
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出版历史
  • 修回日期:2022-12-07
基金
National Natural Science Foundation of China(51806190)
国家自然科学基金项目(51806190)
National Key Research and Development Program(2019YFE0126000)
国家重点研发计划项目(2019YFE0126000)
作者信息
    1.常州英集动力科技有限公司,江苏 常州 213022
    2.浙江大学常州工业技术研究院,江苏 常州 213000
    3.招远玲珑热电有限公司,山东 招远 265400
    4.浙江大学能源工程学院,浙江 杭州 310027

通讯作者:

林小杰(1992),男,博士,副研究员,主要研究方向为能源系统调度优化,
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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