Simulations on simultaneous charging/discharging process of oil sand packed bed thermocline storage tank

doi:10.11949/0438-1157.20200485

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	Simulations on simultaneous charging/discharging process of oil sand packed bed thermocline storage tank
	Wang, Xiaohui 2; Xu, Chao 2; Yang, Lijun 2; Du, Xiaoze 1,2
刊名	Huagong Xuebao/CIESC Journal
	2020-10-01
卷号	71 页码:85-91
关键词	Heat storage Oil sands Packed beds Tanks (containers)Charge and discharge Charge/discharge Charging/discharging Cycle process High temperature Outlet temperature Storage tank Thermal source
ISSN号	04381157
DOI	10.11949/0438-1157.20200485
英文摘要	A physical mathematical model of oil sand packed bed thermal energy storage (TES) which can be applied in high temperature TES system is established. The charge/discharge outlet temperature and thermocline thickness are investigated when charge and discharge process are operated simultaneously. The results indicate that the small charging power and lower increasing rate of charge outlet temperature are obtained in the end of simultaneous charge and discharge. The smaller the net TES flow rate, the longer it takes to reach a stable charge outlet temperature under the condition of the same TES medium in the TES tank. The conventional TES tank thermocline thickness is thinner than oil sand packed bed when operated at the same net charge flow rate. The stable/unstable simultaneous charge and discharge are investigated based on cycle process of square wave thermal source. The discharge outlet temperature and the thermocline thickness gradually increase after the end of each cycle due to the effect of the superposition of the cycle process. The discharge outlet temperature fluctuates periodically. © 2020, Editorial Board of CIESC Journal. All right reserved.
语种	中文
出版者	Materials China
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/132340]
专题	兰州理工大学
作者单位	1.College of Energy and Power Engineering, Lanzhou University of Technology, Lanzhou; 730050, China 2.Key Laboratory of Power Station Energy Transfer Conversion and System, Ministry of Education, North China Electric Power University, Beijing; 102206, China;
推荐引用方式 GB/T 7714	Wang, Xiaohui,Xu, Chao,Yang, Lijun,et al. Simulations on simultaneous charging/discharging process of oil sand packed bed thermocline storage tank[J]. Huagong Xuebao/CIESC Journal,2020,71:85-91.
APA	Wang, Xiaohui,Xu, Chao,Yang, Lijun,&Du, Xiaoze.(2020).Simulations on simultaneous charging/discharging process of oil sand packed bed thermocline storage tank.Huagong Xuebao/CIESC Journal,71,85-91.
MLA	Wang, Xiaohui,et al."Simulations on simultaneous charging/discharging process of oil sand packed bed thermocline storage tank".Huagong Xuebao/CIESC Journal 71(2020):85-91.