Opening Hour

Mon - Fri, 8:00 - 9:00

Call Us

Email Us

Lithium ion battery energy storage systems (BESS) hazards
A battery energy storage system (BESS) is a type of system that uses an arrangement of batteries and other electrical equipment to store electrical energy. The container is partitioned to include a separate auxiliary room where heating, ventilation, and air conditioning (HVAC) and communication equipment is installed. Two HVAC ducts
A comprehensive review on positive cold energy storage
The novelty of the paper lies in the comprehensive and detailed summary of the cold energy storage technology with phase change materials, which includes the
Application of an unconventional thermal and mechanical energy storage
Thermal-Energy-Storage Air-Conditioning (TES-AC), a sustainable form of Air-Conditioning (AC) operates by storing thermal energy as chilled water when energy demand is low during nighttime. Later it uses the stored thermal energy during the daytime to cool the indoor air of the building the next day.
Ice thermal energy storage (ITES) for air-conditioning
One method for reducing electricity consumption in an air-conditioning (AC) system is using ice thermal energy storage (ITES) system. ITES systems are divided into two categories, full and partial
4E analysis and optimization of cold thermal-energy storage under
This paper investigates two different cases: partial operating mode–load levelling (POM–LL) and demand-limiting mode (DLM). 4E (energy, exergy, economic,
Optimal Energy Reduction Schedules for Ice Storage Air-Conditioning Systems
The main purpose of this paper is to derive the best single-day schedule planning for ice storage air-. conditioning systems so that the to tal cooling load of the chillers and ice storage tank
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
Operation strategies and performance of air-conditioning systems
In this paper, a promising measure of energy storage, namely air-conditioning systems with thermal energy storage, is studied. Different operation strategies are proposed for
Advanced exergy analysis of an air conditioning system incorporating thermal energy storage
In this work, an air conditioning system consisting of a combination of LHTS (latent heat thermal storage) and VCR (vapor compression refrigeration) is analyzed with advanced exergy analysis. The analysis is performed based on splitting the exergy destruction into endogenous/exogenous and unavoidable/avoidable parts.
A demand response method for an active thermal energy storage air
The air-conditioning system mainly consists of an air source heat pump (ASHP), an energy storage tank, a variable frequency water pump, an air handling unit, and a variable air volume box. Although the main equipment of the air-conditioning system of this experimental platform is the same as that in reference [41], the function of the
Review of cold storage materials for air conditioning application
4. Sorption cold storage. For sensible and latent cold storage in air conditioning application, the temperature of the cold storage tank is lower than the ambient temperature. Accordingly, the cold energy loss from the storage tank must be considered in such a system during the storage period.
Ice thermal energy storage (ITES) for air-conditioning
The results showed that energy analysis alone cannot give realistic information of the system behavior, and that is why exergy analysis of the system is essential. This study focuses on comparison of FOM and POM in optimum ITES design. After 4E (energy, exergy, economic and environmental) analysis, multi-objective
Air-conditioning system using clathrate hydrate slurry
Utilizing hydrates as thermal energy storage medium has been proposed as a solution to problems of water or ice thermal energy storage air conditioning systems ( Darbouret et al., 2005;Delahaye et
High velocity seawater air-conditioning with thermal energy storage
The rapid increase in cooling demand for air-conditioning worldwide brings the need for more efficient cooling solutions based on renewable energy. Seawater air-conditioning (SWAC) can provide base-load cooling services in coastal areas utilizing deep cold seawater. This technology is suggested for inter-tropical regions where
Review on cold thermal energy storage applied to refrigeration
Ben-Abdallah et al. [119] used a fin-and-tube HEX design for a PCM storage unit located in the rear air duct of an open display cabinet. The PCM-HEX unit has a total heat transfer area of 25 m 2 and 7 kg of water is used as the PCM. The experimental results have shown that during a 2 h compressor OFF period, the integration of the PCM
Four E analysis and multi-objective optimization of an ice
One method to reduce the peak electrical demand of air-conditioning (A/C) systems is incorporating an ice thermal energy storage (ITES) with the A/C system. In this paper, an ITES system was modeled for A/C applications and analyzed from energy, exergy, economic, and environmental aspects (4E analysis).
System performance and economic assessment of a thermal energy storage
A novel thermal energy storage air conditioning system is proposed and studied.. The proposed system reduces temperature fluctuations with COP increasing by 19.05%.. The emergency cooling time is prolonged by around 9 times. • The electrical cost is reduced by ∼17.82%, leading to a payback period of 1.83–3.3 years.
Review of solar refrigeration and cooling systems
Providing cooling by utilizing renewable energy such as solar energy is a key solution to the energy and environmental issues. This paper provides a detailed review of different solar refrigeration and cooling methods. There are presented theoretical basis and practical applications for cooling systems within various working fluids assisted by
Residential HVAC Installation Practices
Duct leakage is the most common source of performance degradation of HVAC systems, with most studies finding 90-100% of systems tested needing sealing or repairs to the supply or return air ducts. Low airflow is found more than 50% of the time in all regions studied, while high airflow is a problem in 8-15% of systems.
Performance evaluation and design considerations for a split air
A prototype air-conditioner with in-built thermal energy storage was developed, and all performance parameters presented have been validated through data
Prediction of virtual energy storage capacity of the air-conditioner
Prediction of virtual energy storage capacity of the air-conditioner using a stochastic gradient descent based artificial neural network SESS, and the virtual energy storage systems (VESS) are employed to handle these technical issues [6]. Therefore, T s e t =26 ∘ C set point temperature for all air-conditioners. 4.1. Analysis of
Flow Characteristics and Heat-Transfer Enhancement of Air
A large number of bubbles generated by the air agitation device in an external melting ice storage system can cause the disturbance of the ice–water mixture, which can enhance the heat transfer and contribute to the reduction in energy consumption. The structural design and optimization of the air agitation device in an external melting
Technical Analysis of Cold Storage System with Phase
Thermal energy storage is an efficient method for applying to building envelopes to improve the energy efficiency of buildings. This, in turn, reduces the environmental impact related to energy usage.
Model predictive control for the ice-storage air-conditioning
The energy efficiency of the ice storage air conditioning system is related to the heat exchange effect on the evaporator side. Excess ice will reduce the cooling efficiency of the unit. With the time-of-use electricity pricing policy based on a 24-hour cycle, energy consumption and operating costs are not linearly related.
Artificial intelligence enabled energy-efficient heating, ventilation
When using AI control optimized by design thinking, fixed output air conditioner saved up to 73.5% of its energy use in relation to the baseline, whereas chiller systems saved 28.8% to 44%. In addition, if chiller systems were equipped with an energy storage system and driven by renewable energy sources, up to 73.7% of its non
Multi-objective Design Optimization of Ice Thermal Energy Storage
The performance of ice storage charging and discharging processes on the basis of exergy and energy analysis was evaluated by MacPhee and Dincer and Koca et al. . In latent heat storage, energy is stored by changing the phase of energy storage material at a
Review Paper on Energy Efficiency Technologies for Heating
The design is driven by a number of different criteria, such the optimal configuration of the systems, evaluating the energy consumption, indoor air quality, thermal comfort and cost, specifically
Economic analysis of a novel solar-assisted air conditioning system
1. Introduction. Solar energy is continuously becoming a subject of interest for comfort cooling of buildings due to the positive correlation between peak cooling load and solar radiation intensity (Bataineh and Alrifai, 2015).Significant efforts have been put on solar-driven cooling systems in the past several decades, considering it as one of the
Review of Optimal Energy Management Applied on Ice Thermal
Abstract: This paper investigates the cost saving potentials of energy for cooling loads in the commercial buildings using a realtime optimization control strategy capable of efficiently
Analysis and Research on Ice Storage and Water Storage Air
The air conditioning system of ice storage and water storage has been applied in many practical projects. This paper introduces the air conditioning system
Thermal comfort model analysis and optimization
It can be concluded that the energy consumption of air conditioning fan was reduced by 35%, the ice storage needed was reduced by 15%, the rated air velocity of air conditioning was analyzed and the effective working time of this system was determined to be not below 96 h for 8 persons to survive in a refuge chamber.