THERMAL SCIENCE

International Scientific Journal

Shengtao Xiong

,

Zhenxing Liu

,

Qunqiao Li

,

Yuan Chen

,

Xiaoyan Cai

,

Na Hu

,

Qiuyue Yu

SIMULATION AND OPERATION CONTROL STRATEGY OF GROUND SOURCE THERMAL ENERGY MANAGEMENT SYSTEM BY COLD AND HEAT AUXILIARY TECHNOLOGY

ABSTRACT
To explore the performance of the ground source thermal energy management system under the cold and heat sources, based on the cold and heat auxiliary technology, a ground source thermal energy composite management system is constructed and simulated. The constructed ground source heat pump-refrigeration unit-hybrid heating management system of urban heating networks, as well as the simple system, are analyzed and investigated in terms of power consumption and underground temperature control. The research results show that the constructed ground source heat pump-refrigeration unit-hybrid heating management system of the urban heating network has lower power and energy consumption than a simple system during the same period, which meets the economic requirements and guarantees the system with relatively low energy consumption. For underground temperature control, the constructed system is more stable than a simple system without excessive temperature fluctuations. The operation control strategy of the constructed system is mainly for chiller units, heat pump units, cooling towers, source side, and side circulation water pump modules. In summary, the constructed ground source heat pump-refrigeration unit-hybrid heating management system of an urban heating network based on the ground source heat pump meets the requirements for energy consumption and temperature control and can operate the control strategy normally. The results are significant for subsequent researches on the ground source thermal energy management system based on cold and heat auxiliary technology.
KEYWORDS
cold and heat source, composite, centralization, energy consumption, refrigeration
PAPER SUBMITTED: 2019-11-10
PAPER REVISED: 2019-12-18
PAPER ACCEPTED: 2020-01-20
PUBLISHED ONLINE: 2020-03-15
DOI REFERENCE: https://doi.org/10.2298/TSCI191110106X
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2020, VOLUME 24, ISSUE Issue 5, PAGES [3157 - 3166]
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Simulation and operation control strategy of ground source thermal energy management system by cold and heat auxiliary technology

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence