Modeling of a space heating and cooling system with seasonal energy storage

Zhang, H.-F.; Ge, Xiaomei; Ye, H.

doi:10.1016/j.energy.2006.02.007

Cited by 31 publications

(15 citation statements)

References 12 publications

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“…The results obtained for the periodic condition of the system shown in Figs. 7-10 are in good agreement with results in [13,14,18].…”

Section: Resultssupporting

confidence: 92%

“…COP HP and overall exergy efficiency of the studied system are calculated as 2.65% and 41.35%, respectively. Zhang et al [13] analyzed a model of a space heating and cooling system of a surface water pond that has an insulating cover, which serves as the heat source in the winter and heat sink in the summer. They considered three running modes to analyze the interaction of the seasonal heat charge and discharge for heating and refrigeration individually.…”

Section: Introductionmentioning

confidence: 99%

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Performance of a swimming pool heating system by utilizing waste energy rejected from an ice rink with an energy storage tank

Kuyumcu

Yumrutaş

Tutumlu

2016

Energy Conversion and Management

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a b s t r a c tThis study deals with determining the long period performance of a swimming pool heating system by utilizing waste heat energy that is rejected from a chiller unit of ice rink and subsequently stored in an underground thermal energy storage (TES) tank. The system consists of an ice rink, a swimming pool, a spherical underground TES tank, a chiller and a heat pump. The ice rink and the swimming pool are both enclosed and located in Gaziantep, Turkey. An analytical model was developed to obtain the performance of the system using Duhamel's superposition and similarity transformation techniques. A computational model written in MATLAB program based on the transient heat transfer is used to obtain the annual variation of the ice rink and the swimming pool energy requirements, the water temperature in the TES tank, COP, and optimum ice rink size depending on the different ground, TES tank, chiller, and heat pump characteristics. The results obtained from the analysis indicate that 6-7 years' operational time span is necessary to obtain the annual periodic operation condition. In addition, an ice rink with a size of 475 m 2 gives the optimum performance of the system with a semi-Olympic size swimming pool (625 m 2 ).

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“…The results obtained for the periodic condition of the system shown in Figs. 7-10 are in good agreement with results in [13,14,18].…”

Section: Resultssupporting

confidence: 92%

Section: Introductionmentioning

confidence: 99%

Performance of a swimming pool heating system by utilizing waste energy rejected from an ice rink with an energy storage tank

Kuyumcu

Yumrutaş

Tutumlu

2016

Energy Conversion and Management

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show abstract

“…The assessment of system performance from various designs and operations has in previous studies been made by computational simulations or experimental tests [1][2][3][5][6][7][8][9][10][11][12][13], Inalli and Esen [13] present a study similar to this paper.…”

Section: Introductionsupporting

confidence: 49%

Build-up and long-term performance test of a full-scale solar-assisted heat pump system for residential heating in Nordic climatic conditions

Stojanović

Akander

2010

Applied Thermal Engineering

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This paper presents the build-up and long-term performance test of a full-scale Solar-Assisted Heat Pump System (SAHPS) for residential heating in Nordic climatic conditions. This particular SAHPS was developed within the EU project ENDOHOUSING, by predominantly using components and techniques that are available on the market. The analysis primarily focuses on system performance, with emphasis on Heat Pump (HP) and total system Seasonal Performance Factor (SPF), based on long-term and full-scale operation. Analysis shows that despite unfavourable building conditions, for low energy use and utilisation of a SAHPS, the system was successfully in full operation (for about two years) fulfilling heating requirements. Data processing of the series representing the full year period of 2007(feb)-2008(feb), presented a HP and total SAHPS performance of: SPF HP =2.85 and SPF SAHPS =2.09. The authors argue that with an optimised SAHPS control and operation strategy, additional use of circulation pumps and energy (electricity) could be vastly reduced, hence attaining a SPF SAHPS value that is in parity with the SPF HP . As the Nordic (Swedish) Endohousing SAHPS has not yet been properly optimised/designed and installed in an appropriate house, the SPF HP =2.85 is considered satisfactory.

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“…This would be favourable for the COP of a heat pump during the heating season. Therefore, increasing storage volume improved the COP of the heat pump by reducing the compressor work [123]. However, when the storage volume was large enough, then the effect of volume on COP of the heat pump became negligible [124].…”

Section: Discussionmentioning

confidence: 99%

Seasonal thermal energy storage with heat pumps and low temperatures in building projects—A comparative review

Hesaraki

Holmberg

Haghighat

2015

Renewable and Sustainable Energy Reviews

205

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a b s t r a c tApplication of seasonal thermal energy storage with heat pumps for heating and cooling buildings has received much consideration in recent decades, as it can help to cover gaps between energy availability and demand, e.g. from summer to winter. This has the potential to reduce the large proportion of energy consumed by buildings, especially in colder climate countries. The problem with seasonal storage, however, is heat loss. This can be reduced by low-temperature storage but a heat pump is then recommended to adjust temperatures as needed by buildings in use. The aim of this paper was to compare different seasonal thermal energy storage methods using a heat pump in terms of coefficient of performance (COP) of heat pump and solar fraction, and further, to investigate the relationship between those factors and the size of the system, i.e. collector area and storage volume based on past building projects including residences, offices and schools.

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Modeling of a space heating and cooling system with seasonal energy storage

Cited by 31 publications

References 12 publications

Performance of a swimming pool heating system by utilizing waste energy rejected from an ice rink with an energy storage tank

Performance of a swimming pool heating system by utilizing waste energy rejected from an ice rink with an energy storage tank

Build-up and long-term performance test of a full-scale solar-assisted heat pump system for residential heating in Nordic climatic conditions

Seasonal thermal energy storage with heat pumps and low temperatures in building projects—A comparative review

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