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Evaluation of the performance of a centralized ground-water heat pump system in cold climate region

Shilei LU,Zhe CAI,Li ZHANG,Yiran LI

Frontiers in Energy 2014, Volume 8, Issue 3,   Pages 394-402 doi: 10.1007/s11708-014-0310-1

Abstract: The aim of this study is to evaluate the performance of a centralized open-loop ground-water heat pump

Keywords： ground-water heat pump (GWHP)     actual coefficient of performance     heat transfixion    

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Optimization model analysis of centralized groundwater source heat pump system in heating season

Shilei LU,Yunfang QI,Zhe CAI,Yiran LI

Frontiers in Energy 2015, Volume 9, Issue 3,   Pages 343-361 doi: 10.1007/s11708-015-0372-8

Abstract: The ground-water heat-pump system (GWHP) provides a high efficient way for heating and cooling while consuming a little electrical energy. Due to the lack of scientific guidance for operating control strategy, the coefficient of performance (COP) of the system and units are still very low. In this paper, the running strategy of GWHP was studied. First, the groundwater thermal transfer calculation under slow heat transfixion and transient heat transfixion was established by calculating the heat transfer simulation software Flow Heat and using correction factor. Next, heating parameters were calculated based on the building heat load and the terminal equipment characteristic equation. Then, the energy consumption calculation model for units and pumps were established, based on which the optimization method and constraints were established. Finally, a field test on a GWHP system in Beijing was conducted and the model was applied. The new system operation optimization idea for taking every part of the GWHP into account that put forward in this paper has an important guiding significance to the actual operation of underground water source heat pump.

Keywords： optimization model     groundwater source heat pump system     theoretical analysis     example verification     heating season    

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Optimization of centralized cooling schemes in Kongzhuang Coal Mine

Wu Jizhong,Liu Xianglai,Yao Xiangdong,Wang Jianjun

Strategic Study of CAE 2011, Volume 13, Issue 11,   Pages 59-67

Abstract: summarized and analyzed the systems of slice ice cooling, the thermo-power glycol cooling, HEMS underground centralizedinstallation, quality of water, discharge of heat underground, and other comprehensive consideration of the centralizedMeanwhile, through implementation of the project, it will fill a centralized cooling technology gap in

Keywords： coal mine     elimination of heat disaster     centralized cooling system     vacuum ice making     scheme selection    

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Life cycle assessment of low impact development technologies combined with conventional centralized water

Hyunju Jeong, Osvaldo A. Broesicke, Bob Drew, Duo Li, John C. Crittenden

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 6, doi: 10.1007/s11783-016-0851-0

Abstract: This study examines a hybrid system (HS) that combines LID technologies with a centralized water system

Keywords： Life cycle assessment (LCA)     Low impact development (LID)     Bioretention area     Rainwater harvesting     Xeriscaping    

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An integrated assessment method of urban drainage system: A case study in Shenzhen City, China

DONG Xin, ZENG Siyu, CHEN Jining, ZHAO Dongquan

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 2,   Pages 150-156 doi: 10.1007/s11783-008-0014-z

Abstract: implemented to evaluate and compare two urban drainage system reno vation plans, the distributed plan and the centralized

Keywords： integrated assessment     hierarchy process     centralized     technological feasibility     planning    

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Facilities for Centralized Isolation and Quarantine for the Observation and Treatment of Patients with Article

Xianliang Wang, Jiao Wang, Jin Shen, John S. Ji, Lijun Pan, Hang Liu, Kangfeng Zhao, Li Li, Bo Ying, Lin Fan, Liubo Zhang, Lin Wang, Xiaoming Shi

Engineering 2021, Volume 7, Issue 7,   Pages 908-913 doi: 10.1016/j.eng.2021.03.010

Abstract: Therefore, this study aimed to summarize experiences related to facilities used for centralized isolationIn China, three types of facilities for centralized isolation (Fangcang shelter hospitals, refitted non-designated
As a conclusion, government should allocate social resources and construct centralized isolationfacilities, a multidisciplinary administration team is required to support the daily operation of a centralizedisolation facility, in-depth studies and international collaboration on the centralized isolation policy

Keywords： Centralized isolation     Risk control     Infectious patients     Close contacts     Coronavirus disease    

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Title Author Date Type Operation

Evaluation of the performance of a centralized ground-water heat pump system in cold climate region

Shilei LU,Zhe CAI,Li ZHANG,Yiran LI

Journal Article

Optimization model analysis of centralized groundwater source heat pump system in heating season

Shilei LU,Yunfang QI,Zhe CAI,Yiran LI

Journal Article

Optimization of centralized cooling schemes in Kongzhuang Coal Mine

Wu Jizhong,Liu Xianglai,Yao Xiangdong,Wang Jianjun

Journal Article

Life cycle assessment of low impact development technologies combined with conventional centralized water

Hyunju Jeong, Osvaldo A. Broesicke, Bob Drew, Duo Li, John C. Crittenden

Journal Article

An integrated assessment method of urban drainage system: A case study in Shenzhen City, China

DONG Xin, ZENG Siyu, CHEN Jining, ZHAO Dongquan

Journal Article

Facilities for Centralized Isolation and Quarantine for the Observation and Treatment of Patients with

Xianliang Wang, Jiao Wang, Jin Shen, John S. Ji, Lijun Pan, Hang Liu, Kangfeng Zhao, Li Li, Bo Ying, Lin Fan, Liubo Zhang, Lin Wang, Xiaoming Shi

Journal Article

Zhu Jinhong: Intelligent Centralized Control System Based on Shared Return Air and Fresh Air of Household

19 May 2022

Conference Videos

Shuanbao: Exploration and Practice of Key Technologies for Optimizing Control Strategy of Large - Scale Centralized

13 Jun 2022

Conference Videos