Comparison of energy performance and economics of chilled water thermal storage and conventional air-conditioning systems

Sebzali, M.; Ameer, B.; Hussain, Haris

doi:10.1016/j.enbuild.2013.10.027

Cited by 22 publications

(10 citation statements)

References 9 publications

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“…Optimal TES provides an effective method to limit the electric demand (Kintner-Meyer and Emery, 1995). The degree of savings varied across building operations, climates, and time-dependent rate structures (Fiorino, 1994;Lemort, 2006;Habeebullah, 2007;Ehyaei et al, 2010;Vetterli and Benz, 2012;Nassif et al, 2013;Rismanchi et al, 2013;Sebzali et al, 2013;Lin et al, 2014).…”

Section: Prefacementioning

confidence: 98%

Design of an ice thermal energy storage system for a building of hospitality operation

Tsai

2015

International Journal of Hospitality Management

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Section: Prefacementioning

confidence: 98%

Design of an ice thermal energy storage system for a building of hospitality operation

Tsai

2015

International Journal of Hospitality Management

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“…1, [2]. Equipment purchase costs provided in available literature are corrected to the present value by application of purchase costs index for the given type of equipment [63][64][65][66][67][68][69]. [67,68] HWST, CWST [€m -3 ] 1050 V HWST ; 1050 V CWST [69] Results and discussion…”

Section: Techno-economic Optimization Criteriamentioning

confidence: 99%

Techno-economic optimization of configuration and capacity of a polygeneration system for the energy demands of a public swimming pool building

et al. 2018

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A polygeneration system is an energy system capable of providing multiple energy outputs to meet local demands, by application of high process integration. In this paper, optimal configuration and capacity of a polygeneration system for an indoor swimming pool building is determined by application of a method based on TRNSYS simulation and GenOpt optimization software. Based on the applicability, a superstructure of the polygeneration system is integrated, consisting of the following polygeneration modules: an internal combustion engine cogeneration module, a vapor compression chiller, and adsorption chiller, a ground source heat pump, flat plate solar thermal collectors, photovoltaic collectors, and heat storage. Annual behavior of energy loads of the public swimming pool building during a typical meteorological year and the polygeneration system are modeled and simulated using TRNSYS software, whereas techno-economic optimization is performed by GenOpt optimization. The results indicated the optimal configuration of the polygeneration system for the modelled energy demands, as well as the optimal capacity of the polygeneration modules, thus defining the optimal capacity of the polygeneration system for the energy demands of the public swimming pool building.

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“…Optimal TES would provide an effective method of limiting the electric demand (Kintner-Meyer and Emery, 1995). Studies had shown the degree of savings varied across building operations, climates, and time-dependent rate structures (Fiorino, 1994;Lemort, 2006;Habeebullah, 2007;Ehyaei et al, 2010;Vetterli and Benz, 2012;Nassif et al, 2013;Rismanchi et al, 2013;Sebzali et al, 2013;and Lin et al, 2014).…”

Section: Introductionmentioning

confidence: 97%

Application of an ice thermal energy storage system as ways of energy management in a multi-functional building

Feng

Tsai

2015

Journal of Renewable and Sustainable Energy

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Peak-hour tariff typically troubles commercial office buildings in hot and humid climates where cooling demands are high during summer. Because the local power company rate structure strongly favors the practice of load shift and conversely penalizes peak load demand during peak hours, a multi-functional office building in Taipei seeks to reduce its cooling cost by ways of an ice thermal energy storage system in which harvested ice is stored during cheaper off-peak hours and thawing the storage medium during peak hours. The system uses partial storage approach to satisfy off-peak cooling demand while peak-hour cooling burden is relieved by chilled water built the previous night. Two screw chillers would be integrated with each other for the implementation to allow feeding chill water to the air-handler coils while producing ice for storage at the same time. The refrigeration cycle of water chilling operates under two modes, the ice mode for thermal storage, and the chill water mode for instantaneous air cooling. Super-cooled air from melted icewater makes humidity levels to be lower than conditioned with conventional systems, as well as load shift incentives. Cool air is introduced to variable air volume terminal boxes and is mixed with induced plenum air to bypass any reheat, yielding additional saving. V C 2015 AIP Publishing LLC.

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Comparison of energy performance and economics of chilled water thermal storage and conventional air-conditioning systems

Cited by 22 publications

References 9 publications

Design of an ice thermal energy storage system for a building of hospitality operation

Design of an ice thermal energy storage system for a building of hospitality operation

Techno-economic optimization of configuration and capacity of a polygeneration system for the energy demands of a public swimming pool building

Application of an ice thermal energy storage system as ways of energy management in a multi-functional building

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