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An experimental evaluation of two nonazeotropic refrigerant mixtures in a water-to-water breadboard heat pump

Technical Report ·
DOI:https://doi.org/10.2172/7199635· OSTI ID:7199635
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As part of the Department of Energy/Oak Ridge National Laboratory Building Equipment Research program, the National Institute of Standards and Technology constructed an experimental, easily reconfigurable, water-to-water, breadboard heat pump apparatus in order to compare pure R22 to nonazeotropic refrigerant mixtures. Performance of the heat pump charged with a range of compositions of the binary mixtures R22/RI14 and R13/R12 were compared to R22. The advantage claimed for mixtures in this application is improved thermodynamic efficiency as a result of gliding refrigerant temperatures in the evaporator and condenser in low lift, high glide applications typical of air conditioning. 9 refs., 24 figs., 4 tabs.
Research Organization:
National Inst. of Standards and Technology (NEL), Gaithersburg, MD (USA). Center for Building Technology
Sponsoring Organization:
DOE/CE
DOE Contract Number:
AC05-84OR21400
OSTI ID:
7199635
Report Number(s):
ORNL/M-1117; ON: DE90009016
Country of Publication:
United States
Language:
English

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Related Subjects

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
320106* -- Energy Conservation
Consumption
& Utilization-- Building Equipment-- (1987-)
320303 -- Energy Conservation
Consumption
& Utilization-- Industrial & Agricultural Processes-- Equipment & Processes
CARNOT CYCLE
COMPARATIVE EVALUATIONS
COMPILED DATA
COMPRESSORS
COOLANTS
DATA
DESIGN
EFFICIENCY
ENERGY EFFICIENCY
ENERGY TRANSFER
ENTHALPY
EVAPORATION
FLOW RATE
HEAT EXCHANGERS
HEAT PUMPS
HEAT TRANSFER
INFORMATION
INTERACTIONS
INTERFACES
MODIFICATIONS
NATIONAL ORGANIZATIONS
NUMERICAL DATA
OPTIMIZATION
ORNL
PERFORMANCE TESTING
PHASE TRANSFORMATIONS
PHYSICAL PROPERTIES
PUMPS
SCALE MODELS
SPECIFICATIONS
STRUCTURAL MODELS
TESTING
THERMAL CONDUCTIVITY
THERMODYNAMIC CYCLES
THERMODYNAMIC PROPERTIES
THERMODYNAMICS
US AEC
US DOE
US ERDA
US ORGANIZATIONS