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首页> 外文期刊>Energy and Buildings >Validated dynamic energy model for a Stirling engine μ-CHP unit using field trial data from a domestic dwelling
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Validated dynamic energy model for a Stirling engine μ-CHP unit using field trial data from a domestic dwelling

机译：使用来自住宅的田间试验数据，验证了斯特林发动机μ-CHP装置的动态能量模型

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摘要

This paper presents the development and validation of a dynamic energy performance model for a Whis-perGen Stirling engine micro-CHP (μ-CHP) Mk 4 unit. The model is based on empirical equations for different system characteristics (start-up, continuous operation and shutdown) developed using measured performance data. The model was implemented using MatLab program and its validation was undertaken against measured performance data from a unit installed in a dwelling under field trial in Northern Ireland. Given a heat demand profile for a domestic dwelling, the model can be used to predict the heat and electricity output. Using heat and electricity data for a dwelling over a period of 1 month, the model over-predicted the total electrical and thermal energy output from the μ-CHP unit by 1.4% and 4.2% respectively. The model predicted the electrical power output with a mean absolute error of 7.4% and a cumulative over-prediction of 4.7%. The thermal power output was predicted with a mean absolute error of 7.2% and a cumulative under-prediction of 3.7%.
机译：本文介绍了Whis-PerGen斯特林发动机微型CHP（μ-CHP）Mk 4装置的动态能源性能模型的开发和验证。该模型基于使用测得的性能数据开发的不同系统特性（启动，连续运行和关闭）的经验方程式。该模型是使用MatLab程序实施的，其验证是根据北爱尔兰实地试验中安装在住宅中的单元的实测性能数据进行的。给定住宅的热量需求曲线，该模型可用于预测热量和电力输出。使用一个月内住宅的热和电数据，该模型高估了μ-CHP单元的总电能和热能输出分别1.4％和4.2％。该模型以平均绝对误差为7.4％预测电力输出，并且累计过度预测为4.7％。预测的热功率输出的平均绝对误差为7.2％，累计预测误差为3.7％。

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  • 来源
    《Energy and Buildings》 |2013年第7期|18-26|共9页
  • 作者

    G. Conroy; A. Duffy; LM. Ayompe;

  • 作者单位

    School of Civil (&) Building Services Engineering, Dublin Institute of Technology, Dublin 1, Ireland;

    School of Civil (&) Building Services Engineering and Dublin Energy Lab, Dublin Institute of Technology, Dublin 1, Ireland;

    School of Civil (&) Building Services Engineering and Dublin Energy Lab, Dublin Institute of Technology, Dublin 1, Ireland;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Stirling engine; μ-CHP; Cogeneration; Validation;

    机译：斯特林发动机;μ-CHP;热电联产;验证方式;

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