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Heat Pumps Technology Guide

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Heat Pumps Technology Guide ( heat-pumps-technology-guide )

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Heat Pumps Technology Guide SEAI Contents Introduction 1 Purpose of this guide 1 Scope 1 Overview of heat pumps 2 Concepts 3 1. 1.1. 1.2. 2. 2.1. 2.2. 2.3. An efficient and reliable heat pump system 6 2.3.1. Heat pump 6 2.3.2. Other system components 6 2.3.3. The building 6 2.3.4. Thermal insulation of components 6 2.4. Measures of efficiency 7 2.4.1. Seasonal performance factor 7 2.4.2. Coefficient of performance 7 2.4.3. Seasonal coefficient of performance 7 Heat pump cycle types 3 2.2.1. Vapour compression cycle heat pumps 3 2.2.2. Transcritical heat pumps 4 2.2.3. Absorption heat pumps 5 3. 3.1. 3.2. 3.3. 4. 4.1. 4.2. 4.3. Hydronic underfloor heating 19 4.3.1. Suspended timber floors 20 4.3.2. Floor coverings 20 4.3.3. Retrofit 20 4.4. Integrating heating, ventilation and air-conditioning 21 4.5. Hot water provision 21 4.6. Process and other heat use 22 4.7. Pipework and pumps 22 4.8. Antifreeze 23 4.9. Cooling 23 5. Integration with other heat sources 26 5.1. Bivalent parallel 27 5.2. Bivalent alternative 27 Heat sources 8 Air-to-water 8 Ground-to-water and water-to-water 10 3.2.1. Types of system 10 3.2.2. Heat exchangers 12 3.2.3. Ground-to-water 12 3.2.4. Water-to-water 15 3.2.5. Shared ground- or water-source system 17 3.2.6. Other considerations 17 Air-to-air 17 Heat distribution systems and factors influencing their design 18 Accurate determination of heat load 18 Radiators 18 4.2.1. Oversizing standard steel radiators 18 4.2.2. Low-temperature radiators 19

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CO2 Organic Rankine Cycle Experimenter Platform The supercritical CO2 phase change system is both a heat pump and organic rankine cycle which can be used for those purposes and as a supercritical extractor for advanced subcritical and supercritical extraction technology. Uses include producing nanoparticles, precious metal CO2 extraction, lithium battery recycling, and other applications... More Info

Heat Pumps CO2 ORC Heat Pump System Platform More Info

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