Desiccant-Assisted Cooling

Fundamentals and Applications

Editors: Nóbrega, Carlos Eduardo Leme, Brum, Nisio Carvalho Lobo (Eds.)

  • Addresses the mathematical modeling of desiccant wheels
  • Presents a variety of applications in air-conditioning systems
  • Provides discretized equations, fluxograms, apparatus schematics and data specifications wherever possible so that experiments may be reproduced
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About this book

The increasing concern with indoor air quality has led to air-quality standards with increased ventilation rates. Although increasing the volume flow rate of outside air is advisable from the perspective of air-quality, it is detrimental to energy consumption, since the outside air has to be brought to the comfort condition before it is insufflated to the conditioned ambient. Moreover, the humidity load carried within outside air has challenging HVAC engineers to design cooling units which are able to satisfactorily handle both sensible and latent contributions to the thermal load. This constitutes a favorable scenario for the use of solid desiccants to assist the cooling units. In fact, desiccant wheels have been increasingly applied by HVAC designers, allowing distinct processes for the air cooling and dehumidification. In fact, the ability of solid desiccants in moisture removal is effective enough to allow the use of evaporative coolers, in opposition to the traditional vapor-compression cycle, resulting in an ecologically sound system which uses only water as the refrigerant.

Desiccant Assisted Cooling: Fundamentals and Applications presents different approaches to the mathematical modeling and simulation of desiccant wheels, as well as applications in thermal comfort and humidity controlled environments. Experts in the field discuss topics from enthalpy, lumped models for heat and mass transfer, and desiccant assisted radiant cooling systems, among others.

Aimed at air-conditioning engineers and thermal engineering researchers, this book can also be used by graduate level students and lecturers in the field.

About the authors

Carlos Eduardo Leme Nóbrega is an Adjunct Professor in the Mechanical Engineering Department at the Centro Federal de Educação Tecnológica Celso Suckow da Fonseca, CEFET-RIO, since 2004. He received his P.E. in Mechanical Engineering from the Pontifícia Universidade Católica do Rio de Janeiro (PUC/RJ), Brazil in 1993 and M.Sc. in 1997 from the same university. After working as professional engineer for two years, he was accepted at COPPE/UFRJ where he obtained his PhD in 2003. Prof. Nóbrega has authored more than 30 papers in International Conferences and peer revised journals, with main interest in thermal storage and desiccant cooling simulation. He has also contributed to consulting engineering projects at companies from public and private sectors.

Nisio C. L. Brum is an Associate Professor in the Mechanical Engineering Department at the EP/COPPE/UFRJ, Federal University of Rio de Janeiro. He received his P.E. in Mechanical Engineering from the Pontifícia Universidade Católica do Rio de Janeiro (PUC/RJ), Brazil in 1974. After working as a professional engineer in an international consulting engineering company he went back to the university and received his M.Sc. in 1979 and his Ph.D in 1989 both from COPPE/UFRJ. His doctorate was under the supervision of Professor M.N. Ozisik and the research was conducted at the Mechanical & Aerospace Engineering Dept. from North Carolina State University from 1984 -1987. He established the Laboratory of Transmission and Technology of Heat and headed for a ten years period the Mechanical Engineering Department, both at COPPE/UFRJ. His research areas of interest include thermal design of heat exchangers, numerical and experimental analysis of air conditioning systems and equipments.

Table of contents (9 chapters)

  • An Introduction to Solid Desiccant Cooling Technology

    Nóbrega, Carlos Eduardo Leme (et al.)

    Pages 1-23

  • Status of Liquid-Desiccant Technologies and Systems

    Worek, W. M. (et al.)

    Pages 25-46

  • Mathematical Modeling of Heat and Mass Transfer in Regenerators with Desiccant Materials

    Sphaier, L. A.

    Pages 47-83

  • Influence of Altitude on the Behavior of Solid Desiccant Dehumidification System

    Ruivo, C. R. (et al.)

    Pages 85-107

  • The Performance of Desiccant Wheels for Desiccant Air-Conditioning

    Goldsworthy, Mark (et al.)

    Pages 109-141

Buy this book

eBook $139.00
price for USA (gross)
  • ISBN 978-1-4471-5565-2
  • Digitally watermarked, DRM-free
  • Included format: PDF, EPUB
  • ebooks can be used on all reading devices
  • Immediate eBook download after purchase
Hardcover $179.00
price for USA
  • ISBN 978-1-4471-5564-5
  • Free shipping for individuals worldwide
  • Usually dispatched within 3 to 5 business days.
Softcover $179.00
price for USA
  • ISBN 978-1-4471-7176-8
  • Free shipping for individuals worldwide
  • Usually dispatched within 3 to 5 business days.
Rent the ebook  
  • Rental duration: 1 or 6 month
  • low-cost access
  • online reader with highlighting and note-making option
  • can be used across all devices
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Bibliographic Information

Bibliographic Information
Book Title
Desiccant-Assisted Cooling
Book Subtitle
Fundamentals and Applications
Editors
  • Carlos Eduardo Leme Nóbrega
  • Nisio Carvalho Lobo Brum
Copyright
2014
Publisher
Springer-Verlag London
Copyright Holder
Springer-Verlag London
eBook ISBN
978-1-4471-5565-2
DOI
10.1007/978-1-4471-5565-2
Hardcover ISBN
978-1-4471-5564-5
Softcover ISBN
978-1-4471-7176-8
Edition Number
1
Number of Pages
VII, 281
Number of Illustrations and Tables
136 b/w illustrations, 42 illustrations in colour
Topics