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Ground-source heat pumps : fundamentals, experiments and applications /
Ground-Source Heat Pumps presents the theory and some of the most recent advances of GSHPs and their implementation in the heating/cooling system of buildings. The authors explore the thermodynamic cycle with calculation, operation regimes and economic indicators and GHG emissions of a vapor compres...
| Clasificación: | Libro Electrónico |
|---|---|
| Autores principales: | , |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
London :
Academic Press, an imprint of Elsevier,
[2016]
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| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Front Cover; Ground-Source Heat Pumps; Copyright Page; Contents; Author Biographies; Preface; 1 Introduction; 1.1 Generalities; 1.2 Renewable Energy; 1.3 Geothermal Energy; 1.4 Operation Principle of a HP; References; 2 Vapour Compression-Based Heat Pump Systems; 2.1 Generalities; 2.2 Thermodynamic Cycle; 2.2.1 Theoretical Cycle; 2.2.2 Real Cycle; 2.3 Operation Regimes of a HP; 2.4 Performances and CO2 Emission of HP; 2.4.1 Energy Efficiency; 2.4.1.1 Coefficient of Performance; 2.4.1.2 Partial Load Performances; 2.4.1.3 Profitability and Capabilities of HP; 2.4.2 Economic Indicators.
- 2.4.3 Calculation of GHG Emissions2.5 Environmental Impact; References; 3 Substitution Strategy of Non-Ecological Refrigerants; 3.1 Generalities; 3.2 Environmental Impact of Refrigerants; 3.3 Influence of Refrigerants on Process Efficiency; 3.4 Strategy Concerning Non-Ecological Refrigerants; 3.4.1 Pure Halogenated Refrigerants as Alternatives; 3.4.2 Natural Refrigerants as Alternatives; 3.4.3 Refrigerant Mixtures as Alternatives; 3.5 Conclusions; References; 4 Types of Compressors and Heat Pumps; 4.1 Refrigeration Compressors; 4.1.1 Reciprocating Compressors; 4.1.2 Rotary Screw Compressors.
- 4.1.3 Centrifugal Compressors4.1.4 Scroll Compressors; 4.2 Description of Heat Pump Types; 4.2.1 Air-to-Air Heat Pumps; 4.2.2 Water-to-Air Heat Pumps; 4.2.3 Air-to-Water Heat Pumps; 4.2.4 Water-to-Water Heat Pumps; 4.2.5 Ground-Coupled Heat Pumps; 4.2.6 Hybrid Air-to-Water Systems; 4.2.7 High-Temperature Heat Pumps; 4.3 Selection of Heat Source and Heat Pump System; 4.4 DHW Production for Nearly Zero-Energy Buildings; 4.5 Installation Instructions for Heat Pumps; 4.6 Examples of Heat Pump Utilisation; 4.7 Renewable Energy Source Contribution from HP Sales in EU; 4.8 Conclusions; References.
- 5 Ground-Source Heat Pump Systems5.1 Generalities; 5.2 Description of SWHP Systems; 5.3 Description of GWHP Systems; 5.4 Description of GCHP Systems; 5.4.1 Ground Characteristics and Conditions; 5.4.2 Types of Horizontal GHEs; 5.4.3 Types of Vertical GHEs; 5.4.4 Simulation Models of GHEs; 5.4.4.1 Heat Conduction Outside Borehole; 5.4.4.2 Heat Transfer Inside Borehole; 5.4.4.3 Comparisons of the Analytical and Numerical Models; 5.4.5 Computer Programs for GCHP Design/Simulation; 5.4.5.1 Design Programs Based on the Line-Source Model.
- 5.4.5.2 The GCHPCalc Program Based on the Cylindrical Source Model5.4.5.3 Numerical Simulation Programs; 5.4.6 Simulation of Ground Thermo-Physical Capacity; 5.4.6.1 Ground Thermal Response Test; 5.4.6.2 Equivalent-Time for Interrupted Tests on BHE; 5.4.6.3 Use of EED Simulation Program; 5.4.7 One-Dimensional Transient BHE Model; 5.4.7.1 Model Description; 5.4.7.2 Solution Methodology; 5.4.8 Modelling the Interactions Between Ground Temperature Variations and Performance of GCHPs; 5.4.8.1 Model Description; 5.4.8.2 Model Validation.