Contents

• Contents
• List of Tables
• List of Figures
• Nomenclature
• Abstract
• Introduction
• The Need For Replacement Refrigerants
• Mixture Properties
• Zeotropes
• Near-azeotropes
• Azeotropes
• Heat Exchanger Analysis for Mixtures
• Derivation of the Log Mean Temperature Difference
• A Numerical Method for Calculating the Mean Temperature
• Application of the Numerical Technique
• Software Tools
• Engineering Equation Solver
• Refrigerant Database
• Calculation of the UA
• Comparison of the UAs: Development of Error Scales
• Results and Discussion
• Ammonia-Water Mixtures
• Properties
• The Fallacy of an End-Point Pinch
• Log Error Ratio for Ammonia-Water
• Other Refrigerants
• Properties
• Standard Error for R-22 Alternatives
• Drop-In Replacements vs. System Reconfiguration
• Conclusions and Recommendations
• Refrigerants Available in REFPROP
• REFPROP, Version 5.0
• REFPROP, Version 6.0 b 21
• Pure Substances
• Mixtures
• Ammonia-Water EES Program
• Refrigerant Mixture EES Program
• References