Reasonable distribution of cooling load between chiller and ice tank is the key to realize the economical and energy-saving operation of ice-storage air-conditioning (ISAC) system. A multi-objective optimization model based on improved firefly algorithm (IFA) was established in this study to fully exploit the energy-saving potential and

One method for reducing electricity consumption in an air-conditioning (AC) system is using ice thermal energy storage (ITES) system. ITES systems are

After testing for 96 h, the outlet air temperature of the ice storage air conditioner is less than 23 °C; (ii) the effect of the inlet air parameters on the cooling and dehumidification performance could be found as velocity > temperature > relative humidity; (iii) the dehumidification efficiency of the ice storage air conditioner could

Nano-enhanced PCMs have found the thermal conductivity enhancement of up to 32% but the latent heat is also reduced by up to 32%. MXene is a recently developed 2D nanomaterial with enhanced electrochemical properties showing thermal conductivity and efficiency up to 16% and 94% respectively.

Air-conditioning condensate holds potential as a water and energy substitute. • Treatment is required to ensure condensate quality before use as a water

4.2 Application of Phase-Change Energy Storage Technology in Solar Heat Pump Technology. With the development of solar heat pump technology, research on energy storage technology in solar heat pump systems has received more and more attention. The original solar air source heat pump system process is shown in Fig. 3.

The performance of thermal energy storage materials will directly affect the efficiency and the costs of solar thermal power generation systems. Therefore, selecting a suitable phase change thermal energy storage material, which has appropriate melting temperature range, large thermal storage density and high heat transfer rate and is environmentally friendly,

Finally, this study summarizes and analyzes the current development status and prospects of cold storage technology. It highlights that the improvement of phase-change material performance, heat transfer enhancement of

Air conditioning and refrigeration services are increasing rapidly in developing countries due to improved living standards. The cooling services industry is currently responsible for over 10% of global greenhouse gas (GHG) emissions, so it is critical to investigate how the expansion of cooling services will impact future GHG emissions. In this article, we first

Chilled water storage, which utilizes the sensible heat (4.184 kJ kg −1 K −1) to store cooling, needs a relatively large storage tank as compared to other storage systems that have a larger latent heat of fusion. However, it has wide application because of its suitable cold storage temperature (4–6 °C).

Air conditioning devices serve active cooling to grains, especially in summer, to remove the heat and approach QLTS or LTS [32]although air conditioners consume extra energy and generate extra carbon emissions. Studies showed that in hot areas, 3.5–5 kWh of electricity is consumed by air conditioners per year for each tonne

The manufactured OHP-based cold energy storage module was put into the temperature-controlled cooling chamber and the cold energy storage performance was evaluated at various low ambient temperature conditions. The thermal resistance of the OHP had a minimum value of 0.18–0.23 K/W regardless of the ambient temperature change.

By reviewing and analyzing three aspects of research and development including fundamental study, technical research, integration and demonstration, the progress on

There are three parts in the process of making ice crystals, which are the subcooler, the supercooling removed device and the ice-storage tank. In the process of

Although the research of it started late, however, due to its improvement of main technical shortcomings of traditional static ice-storage, it has been developed rapidly and used widely in our country in recent years. 2.Working principle of ice-storage air-conditioning system Ice-ball type ice-storage air-conditioning system is the earliest

The constraint-based nonlinear multivariate function optimization algorithm was used to optimize the distribution of cooling load between chillers and ice-storage

This work presents findings on utilizing the expansion stage of compressed air energy storage systems for air conditioning purposes. The proposed

Some optimization studies had also been conducted on thermal energy storage system for air conditioning applications by Sanaye and Shirazi [42], Sanaye and Shirazi [43], and Navidbakhsh et al. [44].

Liquid air energy storage (LAES) uses off-peak and/or renewable electricity to liquefy air and stores the electrical energy in the form of liquid air at approximately -196. C.

Phase change material thermal energy storage is a potent solution for energy savings in air conditioning applications. Wherefore thermal comfort is an essential aspect of the human life, air

Phase change material thermal energy storage is a potent solution for energy savings in air conditioning applications. Wherefore thermal comfort is an essential aspect of the human life, air conditioning energy usages have soared significantly due to extreme climates, population growth and rising of living standards.

Some of these parameters include building design, climate of the area, building air conditioning, purpose of the building, and building overall energy performance [77,145]. Furthermore, based on

Zhiqiang Kang et al. / Procedia Engineering 00 (2017) 000–000 2. of ice-storage air-conditioning technology started in the early 1990s in China, but developed rapidly. In 1993, the. number of

The latent heat storage of phase change materials (PCMs) can be used in refrigeration and air conditioning systems. Storing cool energy during the nighttime (off-peak hours) and releasing the cool

By analyzing the advantages, disadvantages and the application status of different ice-storage air-conditioning systems, the application status of ice-storage

We investigated the performance improvement of the air-conditioning system using fumed silica-based composite phase change materials (PCM). Fumed silica with average particle sizes of 0.007 μm and 0.2 to 0.3 μm and an organic PCM with a phase transition temperature of 18°C were used as the raw materials for the composite PCM

Conducting field tests of centralized air-conditioning systems in two hub airports. • Assessing energy flexibility of the air-conditioning systems and their components. • Evaluating the potential for demand response: 2∼15MW e and 6–20 h. • Air-conditioning terminal devices affect the utilization of building thermal mass.

For this application, an air–water mist cooled system for the air-cooled chiller is proposed. The results of the experiments showed that the most efficient ventilation and air-conditioning system for office buildings consist of an air handling unit and fan coil units with an air–water mist cooled chiller and a cooled water temperature of 8 °C.

If the cold air in winter is used to make ice free, it has great energy saving potential in summer air conditioning for buildings (Skogsberg, 2005). This technique dates to around two thousand years ago, and it was widely used in ancient Greece and Iran.

In this chapter the research and development of electrical energy storage technologies for stationary applications in China are reviewed. Particular attention is paid

Simulation results indicate that reasonable solutions provide a practical and flexible framework allowing the demand response of ice storage air-conditioning systems to demonstrate the optimization of

Through building an air-conditioning system that can flexibly control the energy storage tank in a VAV experimental platform, this paper studies the operation mechanism of the storage tank as a

Thermal energy storage technologies have elicited increasing attention due to its broad application prospects in the fields of solar energy utilization, electric power peak-load shifting