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Nomenclature R Thermal resistance R Universal gas constant s Specific entropy SPF Seasonal Performance Factor t Period of time, time step T Temperature U Overall heat transfer coefficient (per unit area) U* Overall heat transfer coefficient (per unit length) v Specific volume v V elocity V V olume V& Swept volume (compressor) VRC Volumetric refrigerating capacity w Specific compressor work x Direction (x axis) X Dimensionless variable y Direction (y axis) z Direction (z axis) Z Compressability factor Greek Letters α Thermal diffusivity β Ratio, variable ∆ Difference ∂ Partial derivative δ Differential ξ Friction factor, ratio η Efficiency θ Temperature difference γ Dimensionless factor κ Exponent μ Dynamic viscosity ν Kinematic viscosity π Pressure ratio, 3.14 ρ Density ΣSum τ Period of time K/W Nm/(g·mole·K) J/(kgK) - s °C, K W/(m2K) W/(mK) m3/kg m/s m3 m3/s J/m3 J/kg - - - - - m2/s - - - - - - K - - Pa⋅s m2/s - kg/m3 - s 234PDF Image | Residential CO2 Heat Pump System for Combined
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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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