Shan K. Wang received his B.S. in mechanical engineering from Southwest Associated University in China in 1946. Two years later, he completed his M.S. degree in mechanical engineering at Harvard Graduate School of Engineering. In 1949, he obtained his M.S. in textile technology from the Massachusetts Institute of Technology.
From 1950 to 1974, Wang worked in the field of air conditioning and refrigeration in China. He was the first Technical Deputy Director of the Research Institute of Air Conditioning in Beijing from 1963 to 1966 and from 1973 to 1974. He helped to design space diffusion for the air conditioning system in the Capital and Worker’s Indoor Stadium. He also designed many HVAC&R systems for industrial and commercial buildings. Wang published two air conditioning books and many papers in the 1950s and 1960s. He is one of the pioneers of air conditioning in China.
Wang joined Hong Kong Polytechnic as senior lecturer in 1975. He established the air conditioning and refrigeration laboratories and established courses in air conditioning and refrigeration at Hong Kong Polytechnic. Since 1975, he has been a consultant to Associated Consultant Engineers and led the design of the HVAC&R systems for Queen Elizabeth Indoor Stadium, Aberdeen Market Complex, Koshan Road Recreation Center, and South Sea Textile Mills in Hong Kong. From 1983
to 1987, Wang Published Principles of Refrigeration Engineering and Air Conditioning as the teaching and learning package, and presented several papers at ASHRAE meetings. The First Edition of the Handbook of Air Conditioning and Refrigeration was published in 1993.
Wang has been a member of ASHRAE since 1976. He has been a governor of the ASHRAE Hong Kong Chapter-At-Large since the Chapter was established in 1984. Wang retired from Hong Kong Polytechnic in June 1987 and immigrated to the United States in October 1987. Since then, he has joined the ASHRAE Southern California Chapter and devoted most of his time to writing.
PREFACE TO THE FIRST EDITION
Air conditioning, or more specifically, heating, ventilating, air ventilating, air conditioning, and refrigeration (HVAC&R), was first systematically developed by Dr. Willis H. Carrier in the early 1900s. Because it is closely connected with the comfort and health of the people, air conditioning became one of the most significant factors in national energy consumption. Most commercial buildings in the United States were air conditioned after World War II.
In 1973, the energy crisis stimulated the development of variable-air-volume systems, energy management, and other HVAC&R technology.
In the 1980s, the introduction of microprocessor based direct-digital control systems raised the technology of air conditioning and refrigeration to a higher level. Today, the standards of a successful and cost-effective new or retrofit HVAC&R projects include maintaining a healthy and comfortable indoor environment with adequate outdoor ventilation air and acceptable indoor air quality with an energy index lower than that required by the federal and local codes, often using off-air conditioning schemes to reduce energy costs.
The purpose of this book is to provide a useful, practical, and updated technical reference for the design, selection, and operation of air conditioning and refrigeration systems. It is intended to summarize the valuable experience, calculations, and design guidelines from current technical papers, engineering manuals, standards, ASHRAE handbooks, and other publications in air conditioning and refrigeration.
It is also intended to emphasize a systemwide approach, especially system operating characteristics at design load and part load. It provides a technical background for the proper selection and operation of optimum systems, subsystems, and equipment. This handbook is a logical combination of practice and theory, system and control, and experience and updated new technologies.
Of the 32 chapters in this handbook, the first 30 were written by the author, and the last two were written by Walter P. Bishop, P. E., president of Walter P. Bishop, Consulting Engineer, P. C., who has been an HVAC&R consulting engineer since 1948. Walter also provided many insightful comments for the other 30 chapters. Another contributor, Herbert P. Becker, P. E., reviewed Chaps.
1 through 6.
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