Keywords
Cooling, Refrigerants, Vapor, Compression, Condenser, Coefficient, Thermodynamics
Description
This lecture covers the various types of refrigeration that are available. However, the focus is on the most common type of refrigeration used in breweries: vapor compression refrigeration. The fundamentals of primary and secondary refrigerants, compressors, condensers and evaporators are clarified, and the advantages and disadvantages of centralized and decentralized configurations are discussed. The content expert will also briefly introduce absorption refrigeration technology.
Learning Objectives
- List the types of refrigeration used in brewing
- Explain the operation of a vapor compression chiller
- List the factors that affect the efficiency of a chiller
- Describe the various types of compressors, condensers and evaporators used
- List advantages and disadvantages of centralized and decentralized cooling plants
- Explain the operation of an absorption chiller
Lecture developed by
Tim Marbach
Tim Marbach is a Professor of Mechanical Engineering at California State University, Sacramento (CSUS), where he teaches courses in thermodynamics, heat transfer, fluid mechanics and project engineering. He served as lead instructor for the Packaging and Process Technology Module of the UC Davis Master Brewer Program from 2008 to 2015. Tim received his Bachelor’s degree from St. Mary’s University in San Antonio, Texas and Ph.D. from the University of Oklahoma in Norman. His industrial experience includes four years at the U.S. Army Fuels and Lubricants Research Facility at the Southwest Research Institute and a U.S. Department of Energy Industry Fellowship at Siemens Westinghouse Power Corporation. He has received the Outstanding Teaching Award for the CSUS College of Engineering and Computer Science and the Tau Beta Pi (Engineering Honor Society) Outstanding Teaching Award. His research interests include energy efficiency, combustion and thermochemical processing of biofuels.
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