Unit 1 Thermodynamics 1 1.1 Basic Concepts 1 1.2 First Law of Thermodynamics 2 1.3 Second Law of Thermodynamics 3 Unit 2 Fluid Mechanics 7 2.1 Fluid Properties 7 2.2 Basic Relations of Fluid Dynamics 8 Unit 3 Heat Transfer 13 3.1 Heat Conduction 13 3.2 Heat Convection 13 3.3 Thermal Radiation 15 Unit 4 District Heating and Cooling 20 4.1 Components 20 4.2 Central Plant 21 4.3 Heating and Cooling Production 21 Unit 5 Panel Heating and Cooling 28 5.1 General Design Considerations 28 5.2 Heating and Cooling Panel 29 5.3 Hydronic Metal Ceiling Panels 29 Unit 6 Boilers 34 6.1 Classifications 34 6.2 Fuel Used 35 6.3 Construction Materials 35 Unit 7 Air Conditioning System 41 7.1 Air Conditioning 41 7.2 Overview of Air Conditioning System 41 7.3 Selection Criteria for Air Conditioning System 42 7.4 Classification of Air Conditioning System 42 7.5 All Air Systems 42 Unit 8 Classification of Gas 48 8.1 Natural Gas 48 8.2 Manufactured Fuel Gas 48 8.3 Liquefied Petroleum Gas 50 8.4 Methane 50 Unit 9 Overall Ventilation System 55 9.1 Introduction 55 9.2 Mechanical Air Supply System 55 9.3 Mechanical Exhaust System 56 9.4 Ventilation in Air Conditioning Buildings 57 Unit 10 Centrifugal Chiller 61 10.1 Centrifugal Compressor 61 10.2 Performance Characteristics of a Centrifugal Compressor 61 10.3 Centrifugal Chiller 62 Unit 11 Vapor Compression Refrigeration System 67 Unit 12 Solar Assisted Heat Pump System for Floor Heating 74 12.1 The Expert System 74 12.2 Design of Solar Assisted Heat Pump for Floor Heating 75 Unit 13 Fouling on Plate Heat Exchanger 81 13.1 Plate Heat Exchanger 81 13.2 Fouling Formation and Influencing Factors 81 13.3 Descaling Strategies of Plate Heat Exchanger 83 Unit 14 Air Source Heat Pump Heating 89 14.1 Ultra-low Temperature Air Source Heat Pump Heating System 89 14.2 Advantageous Features of Ultra-low Temperature Air Source Heat Pump Heating 90 14.3 Optimization of the Operation Strategy of the Heating System 90 14.4 Comparison Results of Optimization of Ultra-low Temperature Air Source Heat Pump Heating System 91 Unit 15 New Type Straw Concrete Material 95 15.1 Application Status of Materials 95 15.2 New Type Material Properties 96 15.3 Brief Introduction of New Type Material Evaluation 97