Quantitative Research on Air-conditioning Virtual Energy Storage Performance of Building Air Conditioning System: A study in Shanghai Dan Yu1*, Xiao Han Zhou2, Fanyue Qian3 1 School of Engineering, Sanda University, Shanghai, China (Corresponding Author)
For large public buildings, the energy consumption of air-conditioning systems is much higher than that of other systems [6], energy saving of air-conditioning systems has gradually become one of the hotspots of sustainable development in today''s society. Studies have shown that ice storage air-conditioning systems can achieve …
Abstract: The objective of this engineering problem is to determine the size of a battery energy storage system and number of photovoltaic (PV) panels to be …
Energy Storage Grand Challenge: OE co-chairs this DOE-wide mechanism to increase America''s global leadership in energy storage by coordinating departmental activities on the development, commercialization, and use of next-generation energy storage technologies.; Long-Duration Energy Storage Earthshot: Establishes a target to, within the decade, …
Ice-storage air conditioning system works by making ice in the nighttime and then melting the ice to release cold energy in the daytime to meet air-conditioning needs. As such, it will help shift the power consumption at peak hours during the day to the nighttime and improve the power shortage condition.
Arteconia et al. proposed an energy flexible building identification method that quantifies AVES through four parameters: response time, promised power, recovery time, and …
This paper briefly introduces the basic principles of building energy simulation, explains its relationship with air-conditioning load and energy calculations, and describe the …
Abstract. The selection of Phase change materials (PCMs) is crucial in the design of Latent Heat Thermal Energy Storage (LHTES) system in solar air conditioning applications. This study performs a systematic selection procedure of PCMs for LHTES in a typical solar air conditioning system. Comprising prescreening, ranking and objective function ...
Most of the previous reviews focus on the application of the cold storage system [26], [27], [28], some reviews present the materials used for cold storage, especially the PCM [29], [30], [31].For example, Faraj et al. [32] presented the heating and cooling applications of phase change cold storage materials in buildings in terms of both passive …
Mohammad HR, Mohammad H, Abtin A, et al. Modeling and optimization of R-717 and R-134a ice thermal energy storage air conditioning systems using NSGA and MOPSO algorithms. Appl Therm Eng 2016; 96: 217–227.
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The CTES is one of effective manners dealing with peak-load shift. Mosaffa et al. [2] developed an air conditioning system consisting of a combination of latent heat thermal storage and vapor ...
In a TES system, a storage media is cooled during periods of low cooling demand and the stored cooling is used later to meet air-conditioning load or process cooling loads. Operating refrigeration chillers at night and displacing energy use from peak (day time) to off-peak periods when the energy is at a lower cost is the primary objective of TES system.
Among them, the energy consumption of the traditional cooling system of the data center includes components, such as compressors, water pumps, and wind turbines, as shown in Fig. 4. Regardless of the air-cooled precision air …
Parameshwaran et al. [28] concluded that the air-conditioning energy-saving potential of passive buildings with latent thermal energy storage systems is about 10–15%. Similarly, the air-conditioning energy savings of buildings with ATES systems are expected to be about 45–55%.
Air conditioning, often abbreviated as A/C (US) or air con (UK), is the process of removing heat from an enclosed space to achieve a more comfortable interior temperature (sometimes referred to as ''comfort …
Abstract: With the rapid development of a social economy, the yearly increase in air conditioning load in the winter and summer seasons may bring serious challenges to the safe and economic op‐eration of the power grid during the peak period of electricity consumption.
Energy storage is one of the critical supporting technologies to achieve the "dual carbon" goal. As a result of its ability to store and release energy and significantly …
Although the above studies have applied RL for the optimal control of air-conditioning systems, they did not combine DR events with RL approaches to reduce the energy consumption of the building. Furthermore, where building models are applied, RL is used for HVAC control mainly to achieve energy efficiency goals, while DR is neglected …
2 School of Energy and Power Engineering, Nanjing Univ ersity of Science & Technology, Nanjing, 210094, China 153773694@ qq Abstract. T he air conditioning system of ice storage and ...
Based on a practical project, the operation of the ice storage air conditioning system was monitored for 26 days ... 2 School of Energy and Power Engineering, Nan jing University of Science ...
We established a system model for the major energy-consuming components of the ice storage air-conditioning system and optimized the daily energy …
HVAC is an important part of residential structures such as single family homes, apartment ... and are sometimes combined with seasonal thermal energy storage so that the cold of winter can be used for summer air conditioning. ... Many HVAC engineers are members of the American Society of Heating, Refrigerating, and Air-Conditioning Engineers ...
The vehicle air-conditioning structure is shown in Figure 2 ; it is mainly configured by using a compressor, condenser, evaporator, and four-way valve. Among them, the most critical one is the compressor. ... the technical development of the dynamic system and energy storage system of an air-conditioning system structure also changes. As …
The energy storage efficiency is enhanced from 0.470 to 0.772, while energy storage density based on fluid and setup volume are increased by 78.62% and 120.90% respectively. The charging/discharging rate and solution concentration glide increase continuously as the heat source temperature rises from 75 °C to 100 °C, leading …
Firstly, there is a need for cost-effective high-thermal conductivity PCM development to enhance air conditioning system efficiency. Secondly, optimizing heat transfer in PCM plates, potentially through innovative methods like integrating fins or extended heat transfer surfaces, requires further exploration.
Journal of Solar Energy Engineering (2003) P. Ihma et al. Development of a thermal energy storage model for Energy Plus. Energy and Buildings (2004) View more references. Cited by (120) ... Modeling and optimization of R-717 and R-134a ice thermal energy storage air conditioning systems using NSGA-II and MOPSO algorithms. …
This paper proposes a hybrid algorithm to solve the optimal energy dispatch of an ice storage air-conditioning system. Based on a real air-conditioning system, the data, including the return temperature of chilled water, the supply temperature of chilled water, the return temperature of ice storage water, and the supply temperature of …
With the rapid development of the social economy and the transformation and upgrading of the energy structure, society''s demand for electricity continues to grow rapidly. ... the use of energy storage air conditioning system further enhances the flexibility of building energy consumption. We took the full-scale cold storage air …