IMPACT OF THERMAL ENERGY STORAGE ON THE SIZING AND ENERGY CONSUMPTION OF A DISTRICT COOLING SYSTEM

被引：0
|
作者：
Dufour, T. [1 ]
Hoang, H. M. [1 ]
Osswald, V [1 ]
Clain, P. [1 ,2 ]
Fournaison, L. [1 ]
Delahaye, A. [1 ]
机构：
[1] Irstea, UR GPAN, 1 Rue Pierre Gilles de Gennes, F-92761 Antony, France
[2] Leonard de Vinci Pole Univ, Res Ctr, F-92916 Paris, La Defense, France
来源：
12TH IIR/IIF INTERNATIONAL CONFERENCE ON PHASE-CHANGE MATERIALS AND SLURRIES FOR REFRIGERATION AND AIR CONDITIONING (PCM 2018) | 2018年
关键词：
Thermal energy storage; District cooling; System modelling; Hydrate; Slurry; BUILDINGS; PCM; CO2;
D O I：
10.18462/iir.pcm.2018.0040
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Thermal energy storage (TES) has been recognized to be a good way to ensure energy security, efficiency and environmental quality. Nevertheless many materials are available with variable thermodynamic properties. The aim of this work is to compare the energy consumption and sizing of a district cooling system with TES device in function of storage materials (water, CO2 hydrate slurry and TBPB hydrate slurry). A system modelling approach was developed by assembling component models: chiller, stirred tank reactor, circulation loop and place of use (house equipped with heat exchanger). The evolution of room and storage temperature, chiller and pumping energy consumption for different materials and various operating conditions is analyzed. Results show that the use of PCM (hydrates) allows an under sizing of the system, limiting the volume of the storage device and improving the system efficiency compared to system with water.
引用
收藏
页码：293 / 300
页数：8
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