Enhancing energy efficiency of air conditioning system through optimization of PCM-based cold energy storage …
The fluid-structure interaction function of the independent factors on the charging/discharging time were established. ... A comparative study on PCM and ice thermal energy storage tank for air-conditioning systems in office buildings Appl Therm Eng (2016) A.L
Review on operation control of cold thermal energy storage in …
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 …
Transformer based day-ahead cooling load forecasting of hub airport air-conditioning systems with thermal energy storage …
The air conditioning system constitutes more than half of the total energy demand in hub airport buildings. To enhance the energy efficiency and to enable intelligent energy management, it is vital to build an accurate …
CN117404950B
The invention provides an energy storage structure, an air conditioning system and a control method, wherein the energy storage structure comprises: a heat exchanger; an accumulator; one end of the refrigerant inlet pipe is connected with the energy accumulator ...
Evaluating the impact of virtual energy storage under air conditioning …
In addition, virtual thermal energy storage was also a demand response resource that cannot be ignored. By utilizing the dynamic thermal storage characteristics of the pipe network, Sun et al. [23] realized the thermoelectric decoupling in the CHP system, thus improving the flexibility and economy of the system. ...
Experimental investigation of solar photovoltaic operated ice thermal storage air-conditioning …
The two operation modes of ice thermal storage air-conditioning were tested and the compound energy supply characteristics of the energy system composed PV and battery bank under two operation modes were investigated. 2. …
Enhancing energy efficiency of air conditioning system through …
Phase change material (PCM)-based cold energy storage systems (CESS) offer a promising solution for improving energy efficiency and cost-effectiveness in air …
Optimization of operational strategy for ice thermal energy …
Thermal energy storage (TES) has been widely applied in buildings to shift air-conditioning peak loads and to reduce operating costs by using time-of-use (ToU) tariffs. Meanwhile, TES control strategies play a vital role in maximizing the benefits of their
Efficient Air Conditioning for Shed
Discover the ultimate guide to efficient air conditioning for sheds, covering everything from choosing the right size and type, to installation and energy-saving tips. Learn about different AC options like ductless mini-splits, window units, and portable air conditioners, and how to select the best
Thermal comfort model analysis and optimization performance evaluation of a multifunctional ice storage air conditioning …
A multifunctional ice storage air conditioning system was designed and its working principle, working mode and structure modification were improved. It can achieve cooling, dehumidification when the energy supply is either exhausted or adequate. The PMV grade ...
Ice storage air conditioning
Ice storage air conditioning is the process of using ice for thermal energy storage. The process can reduce energy used for cooling during times of peak electrical demand . [1] …
Control strategies for integration of thermal energy storage into …
Optimal operation of ice-storage air conditioning (IAC) system is beneficial to balance the power grid pressure, enhance load flexibility and reduce system operating costs. Conventional control methods, like fixed scheduling and storage priority, are insufficient for dynamically regulating the IAC system in response to real-time …
Phase change material-based thermal energy storage
Figure 1. Phase change material (PCM) thermal storage behavior under transient heat loads. (A) Conceptual PCM phase diagram showing temperature as a function of stored energy including sensible heat and latent heat (Δ H) during phase transition. The solidification temperature ( Ts) is lower than the melting temperature ( Tm) due to …
A multi-objective operation strategy optimization for ice storage systems based on decentralized control structure …
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.
System performance and economic assessment of a thermal energy storage based air-conditioning unit for transport applications …
An experimental rig was designed and constructed for studying the performance of the PCM based air-conditioning system (PCM-AC) and comparing its performance with that of a traditional air conditioning (AC) unit. Fig. 1 shows schematically of the PCM-AC system, which consisted mainly of a conventional air-conditioner, a PCM …
Review on phase change materials for cold thermal energy storage …
Phase change materials (PCMs) based thermal energy storage (TES) has proved to have great potential in various energy-related applications. The high energy storage density enables TES to eliminate the imbalance between energy supply and demand. With the fast-rising demand for cold energy, cold thermal energy storage is …
Study on chilled energy storage of air-conditioning system with energy …
A new air-conditioning system with chilled water storage is provided, as shown in Fig. 2. Water back from users is divided into two flows by separator, one is mixed with chilled water out of storage unit and is as chilled water supplied for users, and the other one is back to the storage tank, which flux rate is equal to chilled water out of tank.
OPTIMIZED CONTROL STRATEGY FOR ICE STORAGE AIR CONDITIONING CONSIDERING ABANDONED WIND CONSUMPTION
MULTI-OBJECTIVE OPTIMIZATION MODEL AND SOLUTION. Compared with the conventional air conditioning system, the ice storage air conditioner adds a cold storage device, which can convert the electric energy into cold energy and store it for cold storage in other time periods gure 1 is a schematic diagram of an ice storage air conditioner. …
Quantitative Research on Air-conditioning Virtual Energy Storage …
factors affecting the VES of air conditioning are analyzed and quantified. This study can provide theoretical reference for the study of flexible air conditioning regulation in …
Research on Virtual Energy Storage Scheduling Strategy for Air Conditioning …
differentiated compensation price; Sections2.2and2.3construct an air conditioning virtual energy storage model based on a typical air-conditioned building equivalent thermal pa-rameter system and determines the virtual capacity, state of virtual charge, and other
Reinforcement learning-based demand response strategy for thermal energy storage air-conditioning …
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 …
Review of thermal energy storage for air conditioning systems
Thermal energy storage is considered as a proven method to achieve the energy efficiency of most air conditioning (AC) systems. Technologies for cold storage were also considered and the experience gained in USA and Canada summarized, with a conclusion made that cold storage technologies could be successfully used for AC in …
Study on chilled energy storage of air-conditioning system with energy saving …
Request PDF | On Aug 1, 2014, Hu Lin and others published Study on chilled energy storage of air-conditioning system with energy saving | Find, read and cite all the research you
Evaluating the impact of virtual energy storage under air …
The virtual energy storage under air conditioning and building coupling can improve operation efficiency and reduce energy consumption, particularly gas consumption, by …
A multi-objective operation strategy optimization for ice storage systems based on decentralized control structure…
In order to fully explore the economic and energy-saving effect of ice storage system, the optimization algorithm solves the chillers operation status and the load distribution. The improved optimization algorithm ensures the diversity of particles, gains fast optimization speed and higher accuracy, and also provides a better economic and energy-saving …
Regulation and stabilization by ice storage air-conditioning and …
This paper proposes a new energy management strategy that reduces the investment and loss of the battery energy storage system (BESS) by applying ice …
