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A New Excess Free Energy Mixing Rule for Representing Vapor-Liquid Equilibria of Mixed Refrigerants
A suitable mixing rule is important for vapor liquid equilibrium (VLE) investigations for mixed refrigerants. In this work, a new excess free energy...
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Comparative Study on Critical Points of Carbon Dioxide-Based Binary Mixtures
Carbon dioxide (CO 2 )-based mixtures are potential working fluids of power cycles, the addition of another substance causes a change in the critical...
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1,1-Dichloro-1-fluoroethane C2H3Cl2F + C2H2F4 1,1,1,2-Tetrafluoroethane
This document is part of Subvolume A1 'Binary Liquid Systems of Nonelectrolytes. Part 1' of Volume 13 'Vapor-Liquid Equilibrium in Mixtures and...
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Cryogenic Solid Solubility Measurements for HFC-32 + CO2 Binary Mixtures at Temperatures Between (132 and 217) K
Accurate phase equilibrium data for mixtures of eco-friendly but mildly-flammable refrigerants with inert components like CO 2 will help the...
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Evaluation on Cycle Performance of R161 as a Drop-in Replacement for R407C in Small-Scale Air Conditioning Systems
In this work, with excellent environmental characteristics and thermodynamic properties, R161 is considered as a drop-in replacement of R407C used in...
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Speed of Sound Measurements of Binary Mixtures of Difluoromethane (R-32) with 2,3,3,3-Tetrafluoropropene (R-1234yf) or trans-1,3,3,3-Tetrafluoropropene (R-1234ze(E)) Refrigerants
Sound speed data measured using a dual-path pulse-echo instrument are reported for binary mixtures of difluoromethane (R-32) with...
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Optimizing air conditioning efficiency: Utilizing nano-oxides ZnO, CuO, and TiO2 with traditional and alternative refrigerants in medium temperature range cooling systems
Over the past two decades, extensive research has elucidated the significant contributions of various nanomaterial such as metals, metal oxides,...
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Thermal conductivity of the R-32/R-125 (15/85) mixture in the vapor phase
The thermal conductivity of the R-32/R-125 (15/85) mixture was investigated in the range of temperatures of 305–411 K and pressures of 0.1–1.8 MPa....
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Experimental and Theoretical Study on Thermal Stability of Mixture R1234ze(E)/R32 in Organic Rankine Cycle
The use of Organic Rankine Cycle (ORC) for renewable energy utilization and industrial waste heat recovery is currently attracting growing attention....
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Thermophysical Properties of Low GWP Refrigerants: An Update
In the last decades, the industry of HVAC&R has faced continuous changes trying to identify environmentally friendly refrigerants for the numerous...
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Thermophysical Properties and Applications in Refrigeration System of the Low-GWP Refrigerant R1243zf and Its Blends
The accurate thermophysical model of pure refrigerant R1243zf was firstly established by the PR (Peng–Robinson) equation of state, where the...
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Evaluation on Excess Entropy Scaling Method Predicting Thermal Transport Properties of Liquid HFC/HFO Refrigerants
The application of the excess entropy scaling (EES) method to predict the viscosity, thermal conductivity and thermal diffusivity of HFC/HFO...
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Reference Correlation for the Viscosity of Difluoromethane (R-32) from the Triple Point to 425 K and up to 70 MPa
We present a wide-ranging correlation expressed in terms of temperature and density for the viscosity of difluoromethane (R-32) based on critically...
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The external time-of-flight wall for CEE experiment
A heavy-ion collision facility called the cooler storage ring (CSR) external-target experiment (CEE) is scheduled in Lanzhou, China. The time...
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Reference Correlation for the Viscosity of 1,1,1,2-Tetrafluoroethane (R-134a) from the Triple Point to 438 K and up to 70 MPa
We present a new wide-ranging correlation for the viscosity of 1,1,1,2-tetrafluoroethane (R-134a) based on critically evaluated experimental data....
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A Review on Flow Boiling of the Fluid with Lower Boiling Point in Micro-Channels
With the advancement of micro machining technology, the high-heat-flux removal from miniature electronic devices and components has become an...
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PvT Properties and Thermodynamic Property Correlations for the Low Global Warming Potential Hydrofluoroolefin Refrigerant R-1132a (1,1-Difluoroethene)
R-1132a is increasingly being considered as a low global warming potential component in alternative mixtures to R-23 in specialized low temperature...
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An Update Review on Performance Enhancement of Refrigeration Systems Using Nano-Fluids
Considering the issues of energy saving and environment protection, the performance of refrigeration systems requires to be improved. In recent...
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The speed of sound in vapor phase refrigerant R-134a (57.24 wt.%)−R-227ea (42.76 wt.%)
The speed of sound of the gaseous mixed refrigerant R-134a (57.24 wt.%) - R-227ea (42.76 wt. %) was investigated by the method of ultrasonic...
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Prediction of thermal conductivity of liquid and vapor refrigerants for pure and their binary, ternary mixtures using artificial neural network
The determination of thermophysical properties of hydrofluorocarbons (HFC S ) is very important, especially the thermal conductivity. The present work...