Understanding Psychrometrics, Third Edition

This book serves as a lifetime reference manual and basic refresher course for those who use psychrometrics on a recurring basis and provides a four- to six-hour psychrometrics learning module to students; air-conditioning designers; agricultural, food process, and industrial process engineers; meteorologists and others. New in the Third EditionRevised chapters for wet-bulb temperature and relative humidity and a revised Appendix V that includes a summary of ASHRAE Research Project RP-1485.New constants for the universal gas constant based on CODATA and a revised molar mass of dry air to account for the increase of CO2 in Earth's atmosphere.New IAPWS models for the calculation of water properties above and below freezing.New tables based on the ASHRAE RP-1485 real moist-air numerical model using the ASHRAE LibHuAirProp add-ins for Excel®, MATLAB®, Mathcad®, and EES®.Content: Front Matter • Preface • Preface to the Third Edition • Table of Contents •Part I. Introduction 1. How to Use This Book 2. Etymology 3. Moist Air - The Psychrometric Substance 4. Water Vapour 5. Basics of the Psychrometric Chart 6. Underlying Theory and Algorithms 7. Ideal Gas 8. Psychrometric Pioneers and Charts from the First 100 Years •Part II. Psychrometric Properties 9. Psychrometric Properties and Conventions 10. Dry-Bulb Temperature 11. Wet-Bulb Temperature 12. Dew-Point Temperature 13. Relative Humidity 14. Barometric Pressure 15. Specific Enthalpy 16. Specific Volume 17. Humidity Ratio 18. Water Vapour Pressure •Part III. Basic Psychrometric Processes 19. Psychrometric Processes 20. Process Calculations and Definitions of Sensible and Latent Enthalpy Change 21. Why Do Air-Conditioning Engineers Need Psychrometrics? •Part IV. Processes in Meteorology 22. Adiabatic Expansion and Adiabatic Compression •Part V. Additional Information 23. Fan Temperature Rise 24. Frequently Asked Questions 25. Altitude Effects on Psychrometrics and HVAC 26. Psychrometric Program Listing and Comparison Table Appendices • Glossary Bibliography Index Conversion Equalities: I-P to SI Units Understanding Psychrometrics serves as a lifetime reference manual and basic refresher course for those who use psychrometrics on a recurring basis and provides a four- to six-hour psychrometrics learning module to students; air-conditioning designers; agricultural, food process, and industrial process engineers; meteorologists and others. New in the Third Edition • Revised chapters for wet-bulb temperature and relative humidity and a revised Appendix V that includes a summary of ASHRAE Research Project RP-1485. • New constants for the universal gas constant based on CODATA and a revised molar mass of dry air to account for the increase of CO2 in Earth's atmosphere. • New IAPWS models for the calculation of water properties above and below freezing. • New tables based on the ASHRAE RP-1485 real moist-air numerical model using the ASHRAE LibHuAirProp add-ins for Excel®, MATLAB®, Mathcad®, and EES®. Includes Access to Bonus Materials and Sample Software • PDF files of 13 ultra-high-pressure and 12 existing ASHRAE psychrometric charts plus three new 0oC to 400oC charts. • A limited demonstration version of the ASHRAE LibHuAirProp add-in that allows users to duplicate portions of the real moist-air psychrometric tables in the ASHRAE Handbook—Fundamentals for both standard sea level atmospheric pressure and pressures from 5 to 10,000 kPa. • The hw.exe program from the second edition, included to enable users to compare the 2009 ASHRAE numerical model real moist-air psychrometric properties with the 1983 ASHRAE-Hyland-Wexler properties. Understanding Psychrometrics serves as a lifetime reference manual and basic refresher course for those who use psychrometrics on a recurring basis and provides a four- to six-hour psychrometrics learning module to students; air-conditioning designers; agricultural, food process, and industrial process engineers; meteorologists and others. New in the Third Edition • Revised chapters for wet-bulb temperature and relative humidity and a revised Appendix V that includes a summary of ASHRAE Research Project RP-1485. • New constants for the universal gas constant based on CODATA and a revised molar mass of dry air to account for the increase of CO2 in Earth's atmosphere. • New IAPWS models for the calculation of water properties above and below freezing. • New tables based on the ASHRAE RP-1485 real moist-air numerical model using the ASHRAE LibHuAirProp add-ins for Excel®, MATLAB®, Mathcad®, and EES®. Includes Access to Bonus Materials and Sample Software • PDF files of 13 ultra-high-pressure and 12 existing ASHRAE psychrometric charts plus three new 0oC to 400oC charts. • A limited demonstration version of the ASHRAE LibHuAirProp add-in that allows users to duplicate portions of the real moist-air psychrometric tables in the ASHRAE Handbook—Fundamentals for both standard sea level atmospheric pressure and pressures from 5 to 10,000 kPa. • The hw.exe program from the second edition, included to enable users to compare the 2009 ASHRAE numerical model real moist-air psychrometric properties with the 1983 ASHRAE-Hyland-Wexler properties. This book serves as a lifetime reference manual and basic refresher course for those who use psychrometrics on a recurring basis and provides a four- to six-hour psychrometrics learning module to students; air-conditioning designers; agricultural, food process, and industrial process engineers; meteorologists and others. New in the Third Edition- Revised chapters for wet-bulb temperature and relative humidity and a revised Appendix V that includes a summary of ASHRAE Research Project RP-1485. - New constants for the universal gas constant based on CODATA and a revised molar mass of dry air to account for the increase of CO2 in Earth's atmosphere. - New IAPWS models for the calculation of water properties above and below freezing. - New tables based on the ASHRAE RP-1485 real moist-air numerical model using the ASHRAE LibHuAirProp add-ins for Excel®, MATLAB®, Mathcad®, and EES®.Content: Front Matter • Preface • Preface to the Third Edition • Table of Contents •Part I. Introduction 1. How to Use This Book 2. Etymology 3. Moist Air - The Psychrometric Substance 4. Water Vapour 5. Basics of the Psychrometric Chart 6. Underlying Theory and Algorithms 7. Ideal Gas 8. Psychrometric Pioneers and Charts from the First 100 Years •Part II. Psychrometric Properties 9. Psychrometric Properties and Conventions 10. Dry-Bulb Temperature 11. Wet-Bulb Temperature 12. Dew-Point Temperature 13. Relative Humidity 14. Barometric Pressure 15. Specific Enthalpy 16. Specific Volume 17. Humidity Ratio 18. Water Vapour Pressure •Part III. Basic Psychrometric Processes 19. Psychrometric Processes 20. Process Calculations and Definitions of Sensible and Latent Enthalpy Change 21. Why Do Air-Conditioning Engineers Need Psychrometrics? •Part IV. Processes in Meteorology 22. Adiabatic Expansion and Adiabatic Compression •Part V. Additional Information 23. Fan Temperature Rise 24. Frequently Asked Questions 25. Altitude Effects on Psychrometrics and HVAC 26. Psychrometric Program Listing and Comparison Table Appendices • Glossary Bibliography Index Conversion Equalities: I-P to SI Units This book serves as a lifetime reference manual and basic refresher course for those who use psychrometrics on a recurring basis and provides a four- to six-hour psychrometrics learning module to students; air-conditioning designers; agricultural, food process, and industrial process engineers; meteorologists and others. New in the Third Edition Revised chapters for wet-bulb temperature and relative humidity and a revised Appendix V that includes a summary of ASHRAE Research Project RP-1485. New constants for the universal gas constant based on CODATA and a revised molar mass of dry air to account for the increase of CO2 in Earth's atmosphere. New IAPWS models for the calculation of water properties above and below freezing. New tables based on the ASHRAE RP-1485 real moist-air numerical model using the ASHRAE LibHuAirProp add-ins for Excel®, MATLAB®, Mathcad®, and EES®. Content: Front Matter • Preface • Preface to the Third Edition • Table of Contents •Part I. Introduction 1. How to Use This Book 2. Etymology 3. Moist Air - The Psychrometric Substance 4. Water Vapour 5. Basics of the Psychrometric Chart 6. Underlying Theory and Algorithms 7. Ideal Gas 8. Psychrometric Pioneers and Charts from the First 100 Years •Part II. Psychrometric Properties 9. Psychrometric Properties and Conventions 10. Dry-Bulb Temperature 11. Wet-Bulb Temperature 12. Dew-Point Temperature 13. Relative Humidity 14. Barometric Pressure 15. Specific Enthalpy 16. Specific Volume 17. Humidity Ratio 18. Water Vapour Pressure •Part III. Basic Psychrometric Processes 19. Psychrometric Processes 20. Process Calculations and Definitions of Sensible and Latent Enthalpy Change 21. Why Do Air-Conditioning Engineers Need Psychrometrics? •Part IV. Processes in Meteorology 22. Adiabatic Expansion and Adiabatic Compression •Part V. Additional Information 23. Fan Temperature Rise 24. Frequently Asked Questions 25. Altitude Effects on Psychrometrics and HVAC 26. Psychrometric Program Listing and Comparison Table Appendices • Glossary Bibliography Index Conversion Equalities: I-P to SI Units "Updates the second edition to provide readers a reference that agrees with the latest international standards. The third edition also includes a revised equation for the adiabatic saturation process, an summary of the 2009 RP-1485 ASHRAE research, as well as minor edits to the text" --Provided by publisher