Ice thermal energy storage (ITES) for air-conditioning application in full and partial load operating modes

Sanaye, Sepehr; Hekmatian, Mohammad

doi:10.1016/j.ijrefrig.2015.10.014

Cited by 53 publications

(14 citation statements)

References 21 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Chilled water storage uses sensible heat to store the cold energy while ice storage uses latent heat of phase change. The ice storage has large density, high efficiency and good ability of cool storage, can supply water and wind at low temperature and only requires small capacity of water pumps and fans, and has been widely used [21].…”

Section: Cool Storage Air Conditioningmentioning

confidence: 99%

See 1 more Smart Citation

A review on the influence of intelligent power consumption technologies on the utilization rate of distribution network equipment

He¹,

Chen²,

Yang

et al. 2018

Prot Control Mod Power Syst

View full text Add to dashboard Cite

The economy of distribution networks largely depends on the utilization rate of distribution network equipment. Most of the emerging intelligent power consumption technologies have a positive effect on equipment utilization and their use can save investment of distribution networks. In this paper, the influence of intelligent power consumption technologies on the utilization rate of distribution network equipment is reviewed. The evaluation methods and indexes are assessed first and then intelligent power consumption equipment with energy storage function, vehicle-to-grid (V2G) technology and time-of-use (TOU) tariff are reviewed respectively. It is concluded that these intelligent power consumption technologies and measures have great potential to improve utilization rate of distribution network equipment because of their effective improvement to power load. Meanwhile, recommendations on how to utilize these intelligent power consumption technologies to improve utilization rate of distribution network equipment are proposed.

show abstract

Section: Cool Storage Air Conditioningmentioning

confidence: 99%

“…In [21], the energy utilization rate and the annual total operation cost including the investment cost, maintenance cost, operation cost and penalty charge for CO2 emissions are defined as the objective functions. Obtained from the multi-objective genetic algorithm, the Fig.…”

Section: Partial Operating Modementioning

confidence: 99%

A review on the influence of intelligent power consumption technologies on the utilization rate of distribution network equipment

He¹,

Chen²,

Yang

et al. 2018

Prot Control Mod Power Syst

View full text Add to dashboard Cite

show abstract

“…The academic literature regularly discusses interactions between CTES and the electric grid. Studies show that CTES is a practical, cost-effective, and proven storage technology for shifting electric demand and reducing energy costs without affecting building occupants' comfort [11][12][13]. Literature also explores modeling techniques and optimal control strategies for CTES system design [14][15][16][17][18].…”

Section: Literature Reviewmentioning

confidence: 99%

Can storage reduce electricity consumption? A general equation for the grid-wide efficiency impact of using cooling thermal energy storage for load shifting

Deetjen

Reimers

Webber

2018

Environ. Res. Lett.

View full text Add to dashboard Cite

This study estimates changes in grid-wide, energy consumption caused by load shifting via cooling thermal energy storage (CTES) in the building sector. It develops a general equation for relating generator fleet fuel consumption to building cooling demand as a function of ambient temperature, relative humidity, transmission and distribution current, and baseline power plant efficiency. The results present a graphical sensitivity analysis that can be used to estimate how shifting load from cooling demand to cooling storage could affect overall, grid-wide, energy consumption. In particular, because power plants, air conditioners and transmission systems all have higher efficiencies at cooler ambient temperatures, it is possible to identify operating conditions such that CTES increases system efficiency rather than decreasing it as is typical for conventional storage approaches. A case study of the Dallas-Fort Worth metro area in Texas, USA shows that using CTES to shift daytime cooling load to nighttime cooling storage can reduce annual, system-wide, primary fuel consumption by 17.6 MWh for each MWh of installed CTES capacity. The study concludes that, under the right circumstances, cooling thermal energy storage can reduce grid-wide energy consumption, challenging the perception of energy storage as a net energy consumer.

show abstract

“…They found that the combined strategy system leads to a reduction in chiller size of ~28% compared to conventional systems, although only a partial strategy requires less chiller size than the combined system. Sanaye and Hekmatian [4] presented an air-conditioning system integrated in an ice TES system analysing energy, exergy, economic and environmental aspects under full and partial load conditions. The results showed that partial load operating conditions allow lower investment costs, payback time and savings in operating costs during system life time, when compared to full load operating conditions.…”

Section: Introductionmentioning

confidence: 99%

Numerical analysis of a latent heat thermal energy storage system under partial load operating conditions

et al. 2018

View full text Add to dashboard Cite

One of the features that should be considered when designing a thermal energy storage (TES) system is its behaviour when subjected to non-continuous (partial loads) operating conditions. Indeed, the system performance can be sensibly affected by the partial charging and discharging processes. This topic is analysed in the present study by means of a two-dimensional axisymmetric numerical model implemented in COMSOL Multiphysics. A latent heat TES system consisting of a vertical concentric tube heat exchanger is simulated to investigate the effect of different partial load operating conditions on the system behaviour. The effects of different heat transfer distributions and evolutions of the solid-liquid interface, are evaluated to identify the optimal management criteria of the TES systems. The results showed that partial load strategies allow to achieve a substantial reduction in the duration of the TES (up to 50%) process against a small decrease in stored energy (up 30%). The close correlation between the energy and the duration of the TES cycle is also evaluated during the discharge using detailed maps related to the melting fraction. These maps allow for the evaluation of the most efficient load conditions considering both charging and discharging processes to satisfy a specific energy demand.

show abstract

Ice thermal energy storage (ITES) for air-conditioning application in full and partial load operating modes

Cited by 53 publications

References 21 publications

A review on the influence of intelligent power consumption technologies on the utilization rate of distribution network equipment

A review on the influence of intelligent power consumption technologies on the utilization rate of distribution network equipment

Can storage reduce electricity consumption? A general equation for the grid-wide efficiency impact of using cooling thermal energy storage for load shifting

Numerical analysis of a latent heat thermal energy storage system under partial load operating conditions

Contact Info

Product

Resources

About