Cryogenic Mixed Refrigerant Processes 2008th Edition, ISBN-13: 978-0387785134
[PDF eBook eTextbook]
- Series: International Cryogenics Monograph Series
- 275 pages
- Publisher: Springer; 2008 edition (September 8, 2008)
- Authors: Gadhiraju Venkatarathnam, Klaus D. Timmerhaus, Carlo Rizzuto
- Language: English
- ISBN-10: 0387785132
- ISBN-13: 978-0387785134
Most conventional cryogenic refrigerators and liquefiers operate with pure fluids, the major exception being natural gas liquefiers that use mixed refrigerant processes. The fundamental aspects of mixed refrigerant processes, though very innovative, have not received the due attention in open literature in view of commercial interests. Hundreds of patents exist on different aspects of mixed refrigerant processes. However, it is difficult to piece together the existing information to choose an appropriate process and an optimum composition or a given application. The aim of the book is to teach (a.) the need for refrigerant mixtures, (b.) the type of mixtures that can be used for different refrigeration and liquefaction applications, (c.) the different processes that can be used and (d.) the methods to be adopted for choosing the components of a mixture and their concentration for different applications.
Cryogenic refrigerators operating with refrigerant mixtures were developed under classified and proprietary programs for many years, and it was only after 1991 that the world realized the importance of the mixed refrigerant systems for cryogenic refrigeration. Mixed refrigerant cryogenic processes are also used in most large base load natural gas liquefaction plants. Hundreds of patents exist on different aspects of mixed refrigerant processes for liquefaction of natural gas, as well as the composition of mixtures for Joule-Thomson and other refrigerators. Still, the fundamental aspects of these processes continued to not receive the attention they deserve in open literature in the view of these commercial interests.
Cryogenic Mixed Refrigerant Processes, by Dr. G. Venkatarathnam, explains all the aspects of mixed refrigerant processes using robust analytical methods based on sound thermodynamic principles, drawing upon many case studies and examples, largely unpublished, to teach:
– the need for refrigerant mixtures
– the different processes than can be used in refrigeration and liquefaction systems
– the methods to be adopted for choosing the components of a mixture and their concentrations used for various cryogenic applications
– the methods for simulating and optimizing cryogenic processes
Cryogenic Mixed Refrigerant Processes will be a valuable and much needed reference for researchers and scientists whose focus includes cryogenic engineering, natural gas liquefaction, refrigeration systems, and process simulation and optimization.
Dr. G. Venkatarathnam is Professor of Mechanical Engineering at the Indian Institute of Technology Madras, India.
“…this is a good reference both for entering the domain of mixed refrigerant processes, and to expand the knowledge of optimal applications for this technique. It is a compact book that gives practical answers on the why and how to use mixtures in cryogenics.” -Luca Bottura, CERN, Switzerland
“This book is an important source of knowledge for post-graduate students, process engineers working on equipment projects for gas liquefaction industry as well as those, operating liquefaction plants, or for feasibility studies analysts, as well as for newcomers in this branch of technology. Reading of the book doesn’t require any previous specific knowledge except of basic course of thermodynamics on university level. All readers will certainly appreciate the work done by the author on optimization of all the cycles. It may save a lot of research and engineering work of those working on projects. Possibly, it can also help to achieve more optimized solutions.” -Vaclav Chrz, Chart Ferox, Czech Republic
About the Author
Dr. Gadhiraju Venkatarathnam is a Professor of Mechanical Engineering at the Indian Institute of Technology Madras in southern India. He holds Ph.D. and Masters degree in Cryogenic Engineering and has more than 20 years research experience in the area of Cryogenic refrigerators and liquefiers. He works in the broad areas of Refrigeration, Cryogenic Engineering and Compact heat exchangers. His research interests are in refrigerant mixtures and mixed refrigerant processes for heat pumps, refrigerators, cryocoolers (cryogenic refrigerators) and liquefiers, process simulation and optimization, and development of cryogenic heat exchangers, refrigerators and liquefiers. He has taught Cryogenic Engineering, Refrigeration and related subjects at the Indian Institutes of Technology at Kharagpur and Madras, and at the Universitat Karlsruhe, Germany. He also holds a few patents on refrigerant mixtures.
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