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This file is licensed to Abdual Hadi Nema (ahaddi58@yahoo.com) License Date: 6/1/2010 ASHRAE Research: Improving the Quality of Life The American Society of Heating, Refrigerating and AirConditioning Engineers is the world’s foremost technical society in the fields of heating, ventilation, air conditioning, and refrigeration Its members worldwide are individuals who share ideas, identify needs, support research, and write the industry’s standards for testing and practice The result is that engineers are better able to keep indoor environments safe and productive while protecting and preserving the outdoors for generations to come One of the ways that ASHRAE supports its members’ and industry’s need for information is through ASHRAE Research Thousands of individuals and companies support ASHRAE Research annually, enabling ASHRAE to report new data about material properties and building physics and to promote the application of innovative technologies Chapters in the ASHRAE Handbook are updated through the experience of members of ASHRAE Technical Committees and through results of ASHRAE Research reported at ASHRAE conferences and published in ASHRAE special publications and in ASHRAE Transactions For information about ASHRAE Research or to become a member, contact ASHRAE, 1791 Tullie Circle, Atlanta, GA 30329; telephone: 404-636-8400; www.ashrae.org Licensed for single user © 2010 ASHRAE, Inc Preface The 2010 ASHRAE Handbook—Refrigeration covers the refrigeration equipment and systems for applications other than human comfort This book includes information on cooling, freezing, and storing food; industrial applications of refrigeration; and low-temperature refrigeration Primarily a reference for the practicing engineer, this volume is also useful for anyone involved in cooling and storage of food products An accompanying CD-ROM contains all the volume’s chapters in both I-P and SI units This edition includes two new chapters: • Chapter 3, Carbon Dioxide Refrigeration Systems, describes the history of this “natural refrigerant” and why it is the subject of renewed interest today The chapter contains discussion and diagrams on CO2 refrigerant applications, system design, equipment, safety, lubricants, commissioning, operation, and maintenance • Chapter 50, Terminology of Refrigeration, lists some of the common terms used in industrial refrigeration systems, particularly systems using ammonia as the refrigerant Also new for this volume, chapter titles, order, and groupings have been revised for more logical flow and use Some of the other revisions and additions are as follows: • Chapter 2, Ammonia Refrigeration Systems, has added guidance on avoiding hydraulic shock, on purging water and noncondensables, as well as on hot-gas defrost and defrost control • Chapter 6, Refrigerant System Chemistry, has added information on polyvinyl ether (PVE) lubricants and corrosion, plus updates for recent ASHRAE research on copper plating and material compatibility • Chapter 8, Equipment and System Dehydrating, Charging, and Testing, has new table data on dehydration and moisture-measuring methods and a revised section on performance testing • Chapter 9, Refrigerant Containment, Recovery, Recycling, and Reclamation, has added a new table comparing sensitivities of various leak-detection methods and a procedure for receiver level monitoring • Chapter 11, Refrigerant-Control Devices, has updated information on electric expansion valves and discharge bypass valves, Copyright © 2010, ASHRAE • • • • • plus revised figures on thermostatic expansion valves (TXVs) and several revised examples Chapter 12, Lubricants in Refrigerant Systems, has new content on pressure/viscosity coefficients, compressibility factors, and lubricants’ effects on system performance Chapter 17, Household Refrigerators and Freezers, has been reorganized and updated for revised standards and new component technologies, including variable-speed and linear compressors, and has information on new configurations and functions, such as wine cooling units, rapid-chill/freeze/thaw, and odor elimination The section on performance evaluation has been revised and integrated with the section on standards Chapter 25, Cargo Containers, Rail Cars, Trailers, and Trucks, has been updated with information on multitemperature compartments and air curtains Chapter 38, Fruit Juice Concentrates and Chilled Juice Products, has added description of storage tank sterilization Chapter 44, Ice Rinks, has extensive changes to the section on heat recovery and updated loads information based on ASHRAE research project RP-1289 This volume is published, both as a bound print volume and in electronic format on a CD-ROM, in two editions: one using inchpound (I-P) units of measurement, the other using the International System of Units (SI) Corrections to the 2007, 2008, and 2009 Handbook volumes can be found on the ASHRAE Web site at http://www.ashrae.org and in the Additions and Corrections section of this volume Corrections for this volume will be listed in subsequent volumes and on the ASHRAE Web site Reader comments are enthusiastically invited To suggest improvements for a chapter, please comment using the form on the ASHRAE Web site or write to Handbook Editor, ASHRAE, 1791 Tullie Circle, Atlanta, GA 30329, or fax 678-539-2187, or email mowen@ashrae.org Mark S Owen Editor

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