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Ebook Handbook of air conditioning and refrigeration: Part 2

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(BQ) Part 2 book "Handbook of air conditioning and refrigeration" has contents: Sound control; air conditioning systems - System classification, selection, and individual systems; commissioning and maintenance; improving indoor air quality,.and other contents. | 39445 Wang (MCGHP) Ch_14 SECOND PASS bzm 6/12/00 pg 14.1 _RH CHAPTER 14 TX REFRIGERATION SYSTEMS: ABSORPTION 14.1 ABSORPTION SYSTEMS 14.1 Type of Absorption System 14.1 Historical Development 14.2 Cost Analysis 14.2 Applications 14.3 14.2 PROPERTIES OF AQUEOUS LITHIUM-BROMIDE SOLUTION 14.3 Mass Balance in Solution 14.3 Vapor Pressure 14.3 Equilibrium Chart 14.4 Enthalpy-Concentration Diagram 14.5 14.3 DOUBLE-EFFECT, DIRECT-FIRED ABSORPTION CHILLERS 14.6 System Description 14.6 Air Purge Unit 14.8 Series Flow, Parallel Flow, and Reverse Parallel Flow 14.8 Flow of Solution and Refrigerant 14.9 14.4 PERFORMANCE OF DOUBLE-EFFECT, DIRECT-FIRED ABSORPTION CHILLER 14.11 Mass Flow Rate of Refrigerant and Solution 14.11 Thermal Analysis 14.12 Coefficient of Performance 14.14 14.5 ABSORPTION CHILLER CONTROLS 14.16 Capacity Control and Part-Load Operation 14.16 Crystallization and Controls 14.17 Cooling Water Temperature Control 14.17 14.1 Safety and Interlocking Controls 14.18 Monitoring and Diagnostics 14.18 14.6 OPERATING CHARACTERISTICS AND DESIGN CONSIDERATIONS 14.18 Difference between Absorption and Centrifugal Chillers 14.18 Evaporating Temperature 14.19 Cooling Water Entering Temperature 14.19 Heat Removed from Absorber and Condenser 14.19 Condensing Temperature 14.19 Corrosion Control 14.20 Rated Condition of Absorption Chiller 14.20 Minimum Performance 14.20 14.7 ABSORPTION CHILLERHEATERS 14.20 Heating Cycle 14.21 Actual Performance 14.22 14.8 ABSORPTION HEAT PUMPS 14.22 Functions of Absorption Heat Pump 14.22 Case Study: Series-Connected Absorption Heat Pump 14.22 14.9 ABSORPTION HEAT TRANSFORMER 14.24 System Description 14.24 Operating Characteristics 14.24 Coefficient of Performance 14.26 REFERENCES 14.26 ABSORPTION SYSTEMS Type of Absorption System Absorption systems use heat energy to produce refrigeration or heating and sometimes to elevate the temperature of the waste heat. Aqueous lithium bromide (LiBr) is often used to absorb the refrigerant, .