![]() ![]() ![]() Chapter 8, Thermal Comfort, includes more information on thermoregulation to help in understanding the physiology underlying comfort and its relation to the thermal environment. ![]() Chapter 6, Psychrometrics, now includes equations for calculating standard pressure when elevation or temperature is known.The information on absorption refrigeration cycles has been clarified, and example analyses of various absorption cycles are included. The chapter also discusses zeotropic refrigerant mixtures and includes numerical examples to show how the second law of thermodynamics can be applied to actual refrigeration cycles. Chapter 1, Thermodynamics and Refrigeration Cycles, has an improved style of analysis and method of calculating thermodynamic properties.In this 1997 ASHRAE Handbook the following changes and additions are worth noting. In addition, the technical committees that prepare the chapters strive not only to provide new information, but also to clarify existing information, delete obsolete material, and reorganize chapters to make the information more understandable and easier to use. Although design data and information change little over time, research sponsored by ASHRAE and others continues to generate new information for the ASHRAE Handbooks. 1997 ASHRAE Handbook Preface The Fundamentals Handbook covers basic principles and includes data for the entire technology of the HVAC&R industry. ![]()
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