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A Unified Model for the Simulation of Oil, Gas, and Biomass Space Heating Boilers for Energy Estimating Purposes: Part II: Parameterization and Comparison with Measurements
Dalarna University, School of Technology and Business Studies, Energy and Environmental Technology.
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2011 (English)In: Journal of Building Performance Simulation, Taylor & Francis, ISSN 1940-1493, E-ISSN 1940-1507, Vol. 4, no 1, 19-36 p.Article in journal (Refereed) Published
Abstract [en]

A semi-physical model for the simulation of oil, gas and biomass space heating boilers has been parameterized based on measurements on nine different boiler units and simulation results have been compared to results obtained from measurements in steady state and transient operation. Although the agreement between simulated and measured boiler efficiencies was within the range of measurement uncertainties in most cases, model improvements are expected to be possible concerning the heat capacitance modelling in cycling on/off operation as well as influences of start and stop behaviour on the overall efficiency. It is found that electricity consumption during cycling on/off operation of small pellets or oil space heating boilers may have a significant influence on the overall energy balance of these units. This influence increases strongly with decreasing heat load and increasing number of on/off cycles.

Place, publisher, year, edition, pages
Taylor & Francis , 2011. Vol. 4, no 1, 19-36 p.
Keyword [en]
simulation and modelling; boiler; biomass; oil; gas
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:du-5249DOI: 10.1080/19401491003653629ISI: 000299343100002OAI: oai:dalea.du.se:5249DiVA: diva2:520303
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SolNET
Available from: 2011-01-26 Created: 2011-01-26 Last updated: 2014-10-01Bibliographically approved

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Citation style
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