Horvat, Ivan and Dović, Damir (2016) Dynamic modeling approach for determining buildings technical system energy performance. = Dynamic modeling approach for determining buildings technical system energy performance. Energy conversion and management, 125. pp. 154-165. ISSN 0196-8904. Vrsta rada: ["eprint_fieldopt_article_type_article" not defined]. Kvartili JCR: Q1 (2016). Točan broj autora: 2.
Full text not available from this repository.Abstract
This paper presents new approach for determining buildings technical system energy performance. This new methodology describes a mathematical model for accurately predicting indoor temperature and heat losses of the space heating and domestic hot water system components. The entire model is described by system of ordinary differential equations which can be solved using standard numerical techniques. The innovative aspect of the method is the integral approach in mathematical modeling of buildings energy needs and technical systems heat loss, taking into account heat accumulation in all considered parts (building envelope + technical system). Such approach allows a detailed insight of the system behavior for chosen working conditions. This model can serve for energy performance calculations in a wide variety of buildings types and their technical systems. The calculation example is given for family house, equipped with conventional space heating and domestic hot water heating system, with the time step of 1 min and for characteristic day of each month within a year. The results are compared against those obtain from EN ISO 13790 and standard series EN 15316. The comparison shows significant differences in determination of the annual delivered energy to the heating system (33%), as a consequence of difference in estimation of the energy need for heating (15%) and calculation of the technical systems recoverable heat losses utilization factor, which seems to be underestimated. The delivered energy to the space heating and domestic hot water heating system differs 25%, while the energy delivered to the generation system differs 4%.
| Item Type: | Article (["eprint_fieldopt_article_type_article" not defined]) |
|---|---|
| Keywords (Croatian): | space heating system; domestic hot water system; dynamic simulation; building energy need; delivered energy |
| Subjects: | TECHNICAL SCIENCE > Mechanical Engineering |
| Divisions: | 300 Department of Thermodynamics, Thermal and Process Engineering > 310 Chair of Technical Thermodynamics 300 Department of Thermodynamics, Thermal and Process Engineering > 320 Chair of Thermal and Process Engineering |
| Indexed in Web of Science: | Yes |
| Indexed in Current Contents: | Yes |
| Quartiles: | Q1 (2016) |
| Citations SCOPUS: | 6 (02.03.2018.) |
| Date Deposited: | 08 Feb 2017 10:19 |
| Last Modified: | 02 Mar 2018 16:25 |
| URI: | http://repozitorij.fsb.hr/id/eprint/7237 |
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