tailieunhanh - Ebook Handbook of air conditioning and refrigeration: Part 2

(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 __RH CHAPTER 14 TX REFRIGERATION SYSTEMS: ABSORPTION ABSORPTION SYSTEMS Type of Absorption System Historical Development Cost Analysis Applications PROPERTIES OF AQUEOUS LITHIUM-BROMIDE SOLUTION Mass Balance in Solution Vapor Pressure Equilibrium Chart Enthalpy-Concentration Diagram DOUBLE-EFFECT, DIRECT-FIRED ABSORPTION CHILLERS System Description Air Purge Unit Series Flow, Parallel Flow, and Reverse Parallel Flow Flow of Solution and Refrigerant PERFORMANCE OF DOUBLE-EFFECT, DIRECT-FIRED ABSORPTION CHILLER Mass Flow Rate of Refrigerant and Solution Thermal Analysis Coefficient of Performance ABSORPTION CHILLER CONTROLS Capacity Control and Part-Load Operation Crystallization and Controls Cooling Water Temperature Control Safety and Interlocking Controls Monitoring and Diagnostics OPERATING CHARACTERISTICS AND DESIGN CONSIDERATIONS Difference between Absorption and Centrifugal Chillers Evaporating Temperature Cooling Water Entering Temperature Heat Removed from Absorber and Condenser Condensing Temperature Corrosion Control Rated Condition of Absorption Chiller Minimum Performance ABSORPTION CHILLERHEATERS Heating Cycle Actual Performance ABSORPTION HEAT PUMPS Functions of Absorption Heat Pump Case Study: Series-Connected Absorption Heat Pump ABSORPTION HEAT TRANSFORMER System Description Operating Characteristics Coefficient of Performance REFERENCES 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, .