Optimization of Ground Source Heat Pump System Based on TRNSYS in Hot Summer and Cold Winter Region
Abstract
:1. Introduction
2. Building and Load Calculation Model
2.1. Architectural Overview
2.2. System Simulation Module
2.3. Building Load Simulation
2.3.1. Analysis of Building Meteorological Parameters
2.3.2. Project Overview
- Thermal parameters of envelope structure
- 2.
- Interior design parameters
- 3.
- Building heating and cooling time
2.3.3. Load Simulation
3. Research on Prospective Prediction Model of Ground Source Heat Pump System
3.1. Build a Ground Source Heat Pump System Model
3.2. Model Verification
3.3. Long-Term Performance Analysis of Ground Source Heat Pump System
3.3.1. The Simulation Model Was Run Continuously for 1 Year for Performance Analysis
3.3.2. The Simulation Model Was Run Continuously for 10 Years for Performance Analysis
4. Analysis of Cooling Tower Auxiliary Ground Source Heat Pump System and Control Strategy
4.1. Cooling Tower Module Settings
4.2. Establishment of the Cooling Tower Auxiliary Ground Source Heat Pump System Model
4.3. Optimization Analysis of Cooling Tower Auxiliary Ground Source Heat Pump System
4.3.1. Control Strategy Analysis
4.3.2. Simulation Results
4.4. Comparison of GCHP and HGSHP Systems
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Module Name | Module Number | Module Description |
---|---|---|
Multi-area building | Type56 | Call the “bui” building model file edited by TRNBuild |
Burthen | Type682 | Building load treatment |
Heat pump | Type225 | Water–water modular heat pump unit |
Buried pipe heat exchanger | Type557a | U-type buried pipe, vertical buried pipe heat exchanger |
Fixed frequency pump | Type114 | Circulating water pump, frequency conversion operation |
Weather data read | Type15-2 | Read the weather data file in the standard format |
Free-format data reads | Type9e | Data at the beginning of the first behavior simulation, used to read the load data files |
Control signal | Type14 | Heat pump unit cooling and heating working condition time setting |
Current diverter | Type11f | Fluid shunt device |
Commingler | Type11h | Fluid mixing device |
geotemperature | Type77 | Surface temperature output |
Data output | Type65a | Graphic output module with output files |
calculator | Unit | Customstom formula for output |
Type of Enclosure Structure | Thickness/m | Heat Transfer Coefficient/w (m−2·k) |
---|---|---|
Interior wall | 0.12 | 1.88 |
Exterior wall | 0.300 | 1.96 |
Floor slab | 0.325 | 1.46 |
Floor board | 0.365 | 0.589 |
Rooftop | 0.285 | 0.7 |
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© 2024 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
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Zhang, H.; Hao, S.; Wen, M.; Bai, X.; Liu, L.; Zhang, P. Optimization of Ground Source Heat Pump System Based on TRNSYS in Hot Summer and Cold Winter Region. Buildings 2024, 14, 2764. https://doi.org/10.3390/buildings14092764
Zhang H, Hao S, Wen M, Bai X, Liu L, Zhang P. Optimization of Ground Source Heat Pump System Based on TRNSYS in Hot Summer and Cold Winter Region. Buildings. 2024; 14(9):2764. https://doi.org/10.3390/buildings14092764
Chicago/Turabian StyleZhang, Hua, Shuren Hao, Mingxing Wen, Ximin Bai, Lihong Liu, and Pengqiong Zhang. 2024. "Optimization of Ground Source Heat Pump System Based on TRNSYS in Hot Summer and Cold Winter Region" Buildings 14, no. 9: 2764. https://doi.org/10.3390/buildings14092764