A New Air-Conditioning System with Chilled Water Storage

Abstract:

For the purpose of grid peak load shifting, chilled water storage has been paid more and more attentions to integrated with air-conditioning system. In this paper, a new air conditioning system with directly chilled water storage is given. With peak-valley Price, cost for power consumption can be saved 15%-20% by coordinated operation between chilled water storage system and air conditioning system. By sensitivity analysis of system economic performance on ratio of peak price to valley price, it is revealed that with much higher ratio of peak price to valley price, not only system economic performance can seldom be improved, but also chilled water storage is restricted for engineering utilization. This paper supplies theory reference for engineering application of chilled water storage technology.

• Periodical: Applied Mechanics and Materials (Volumes 405-408)
• Pages: 2964-2968
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.405-408.2964
• Online since: September 2013
• Authors: Hu Lin, Xin Hong Li, Peng Sheng Cheng, Bu Gong Xu
• Keywords: Air-Conditioning System, Chilled Water Storage, Directly Storage, Power Cost

References

[1] J．Yoo，M．W．Wildin，C．R．Truman, Initial formation of a thermocline in stratified thermal storage tanks, ASHRAE Transactions. 92(2A) (1986) 280-292.

[2] Hang Yu, Air-conditioning technology and design, Chemical Industry press, Beijing, (2007).

[3] Hu Lin, Xinhong Li, Pengsheng Cheng, A new operating mode of air-conditioning systems with thermal storage, International Journal of Applied Mechanics and Materials. Vols. 291-294 (2013) 1805-1811.

DOI: 10.4028/www.scientific.net/amm.291-294.1799

[4] D. P. Fiorino, Case study of a large naturally stratified chilled water energy storage system, ASHRAE Trans. 97(2) (1991) 1161-1169.

[5] H．YOO，E．Pak, Theoretical model of the charging process for stratified thermal storage tanks, Solar Energy. 51(1993) 513-519.

DOI: 10.1016/0038-092x(93)90136-c

[6] M. W. Wildin, Experimental results from single-pipe diffusers for stratified thermal energy storage, ASHRAE Transactions. 102(2) (1996) 123-388.

[7] C．Dorgan, J．Elleson, Design Guide for Cool Thermal Storage, ASHRAE. Atlanta, GA，(1993).

[8] Shenzhen DAS Intelli-tech Ltd. Co. Air conditioning system with direct cool storage and hybrid cooling, China Patent, 201210069871.X. (2012).

[9] Lin Hu, Li Xinhong, Chen Pengsheng, Xu Bugong, Analysis of chilled water storage central air-conditioning system with direct cool storage and hybrid cool supply, Refrigeration and Air Conditioning. 12 (5) (2012) 81-84.