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Developing clean energy and utilizing waste energy has become
increasingly vital. Research targeting the advancement of thermally
powered adsorption cooling technologies has progressed in the past
few decades, and the awareness of fuel cells and thermally
activated (heat pipe heat exchangers) adsorption systems using
natural refrigerants and/or alternatives to hydrofluorocarbon-based
refrigerants is becoming ever more important. Heat Pipes and Solid
Sorption Transformations: Fundamentals and Practical Applications
concentrates on state-of-the-art adsorption research and
technologies for relevant applications based on the use of
efficient heat transfer devices-heat pipe and two-phase
thermosyphons-with the objectives of energy efficiency and
sustainability. This book also discusses heat pipe thermal control
as it relates to spacecraft applications. The first few chapters of
Heat Pipes and Solid Sorption Transformations: Fundamentals and
Practical Applications focus on heating and cooling, the principles
of adsorption, adsorption dynamics, and the availability of
three-phase boundaries. Other chapters cover successful heat pipe
applications and heat-pipe-based thermal control of fuel cells,
solid sorption transformers, and electronic components and
air-condition devices. The final chapters summarize the
achievements in the field of heat and mass transfer study in heat
pipes with variable properties such as gas loaded heat pipes.
Several configurations of thermosyphons are showcased, with
suggested applications. A number of examples of equipment using the
thermosyphon technology are presented and, in the final chapter,
the concept of flow boiling and flow condensation heat transfer in
micochannels is analyzed in detail.
Microscale and Nanoscale Heat Transfer: Analysis, Design, and
Applications features contributions from prominent researchers in
the field of micro- and nanoscale heat transfer and associated
technologies and offers a complete understanding of thermal
transport in nano-materials and devices. Nanofluids can be used as
working fluids in thermal systems; the thermal conductivity of heat
transfer fluids can be increased by adding nanoparticles in fluids.
This book provides details of experimental and theoretical
investigations made on nanofluids for use in the biomechanical and
aerospace industries. It examines the use of nanofluids in
improving heat transfer rates, covers the numerical approaches for
computational fluid dynamics (CFD) simulation of nanofluids, and
reviews the experimental results of commonly used nanofluids
dispersed in both spherical and nonspherical nanoparticles. It also
focuses on current and developing applications of microscale and
nanoscale convective heat transfer. In addition, the book covers a
wide range of analysis that includes: Solid-liquid interface phonon
transfer at the molecular level The validity of the continuum
hypothesis and Fourier law in nanochannels Conventional methods of
using molecular dynamics (MD) for heat transport problems The
molecular dynamics approach to calculate interfacial thermal
resistance (ITR) A review of experimental results in the field of
heat pipes and two-phase flows in thermosyphons Microscale
convective heat transfer with gaseous flow in ducts The application
of the lattice Boltzmann method for thermal microflows A numerical
method for resolving the problem of subcooled convective boiling
flows in microchannel heat sinks Two-phase boiling flow and
condensation heat transfer in mini/micro channels, and more
Microscale and Nanoscale Heat Transfer: Analysis, Design, and
Applications addresses the need for thermal packaging and
management for use in cooling electronics and serves as a resource
for researchers, academicians, engineers, and other professionals
working in the area of heat transfer, microscale and nanoscale
science and engineering, and related industries.
Over the past two decades, two-phase flow and heat transfer
problems associated with two-phase phenomena have been a challenge
to many investigators. Two-phase flow applications are found in a
wide range of engineering systems, such as nuclear and conventional
power plants, evaporators of refrigeration systems and a wide vari
ety of evaporative and condensive heat exchangers in the chemical
industry. This publication is based on the invited lectures
presented at the NATO Advanced Research Workshop on the Advances in
Two-Phase Flow and Heat Transfer. The Horkshop was attended by more
than 50 leading scientists and practicing engineers who work
actively on two-phase flow and heat transfer research and
applications in dif ferent sectors (academia, government, industry)
of member countries of NATO. Some scientific leaders and experts on
the subject matter from the non-NATO countries were also invited.
They convened to discuss the state-of-the-art in two-phase flow and
heat transfer and formulated recommendations for future research
directions. To achieve these goals, invited key papers and a
limited number of contributions were presented and discussed. The
specific aspects of the subject were treated in depth in the panel
sessions, and the unresolved problems identified. Suitable as a
practical reference, these volumes incorporate a systematic
approach to two-phase flow analysis.
Developing clean energy and utilizing waste energy has become
increasingly vital. Research targeting the advancement of thermally
powered adsorption cooling technologies has progressed in the past
few decades, and the awareness of fuel cells and thermally
activated (heat pipe heat exchangers) adsorption systems using
natural refrigerants and/or alternatives to hydrofluorocarbon-based
refrigerants is becoming ever more important. Heat Pipes and Solid
Sorption Transformations: Fundamentals and Practical Applications
concentrates on state-of-the-art adsorption research and
technologies for relevant applications based on the use of
efficient heat transfer devices-heat pipe and two-phase
thermosyphons-with the objectives of energy efficiency and
sustainability. This book also discusses heat pipe thermal control
as it relates to spacecraft applications. The first few chapters of
Heat Pipes and Solid Sorption Transformations: Fundamentals and
Practical Applications focus on heating and cooling, the principles
of adsorption, adsorption dynamics, and the availability of
three-phase boundaries. Other chapters cover successful heat pipe
applications and heat-pipe-based thermal control of fuel cells,
solid sorption transformers, and electronic components and
air-condition devices. The final chapters summarize the
achievements in the field of heat and mass transfer study in heat
pipes with variable properties such as gas loaded heat pipes.
Several configurations of thermosyphons are showcased, with
suggested applications. A number of examples of equipment using the
thermosyphon technology are presented and, in the final chapter,
the concept of flow boiling and flow condensation heat transfer in
micochannels is analyzed in detail.
Two-phase flow heat exchangers are vital components of systems for
power generation, chemical processing, and thermal environment
control. The art and science of the design of such heat exchangers
have advanced considerably in recent years. This is due to better
understanding of the fundamentals of two-phase flow and heat
transfer in simple geometries, greater appreciation of these
processes in complex goemetries, and enhanced predictive capability
through use of complex computer codes. The subject is clearly of
great fundamental and practical importance. The NATO ASIan
Thermal-Hydraulic Fundamentals and Design of Two-Phase Flow Heat
Exchangers was held in Povoa de Varzim (near Porto), Portugal, July
6-17, 1987. participating in the organization of" the ASI were the
Department of Mechanical Engineering and the Clean Energy Research
Institute, University of Miami; Universidade do Porto; and the
Department of Mechanical Engineering, Aeronautical Eng ineer ing,
and Mechanics, Rensselaer Polytechnic Institute. The ASI was
arranged primarily as a high-level teaching activity by experts
representing both academic and industrial viewpoints. The program
included the presentation of invited lectures, a limited number of
related technical papers and discussion sessions.
Over the past two decades, two-phase flow and heat transfer
problems associated with two-phase phenomena have been a challenge
to many investigators. Two-phase flow applications are found in a
wide range of engineering systems, such as nuclear and conventional
power plants, evaporators of refrigeration systems and a wide vari
ety of evaporative and condensive heat exchangers in the chemical
industry. This publication is based on the invited lectures
presented at the NATO Advanced Research Workshop on the Advances in
Two-Phase Flow and Heat Transfer. The Horkshop was attended by more
than 50 leading scientists and practicing engineers who work
actively on two-phase flow and heat transfer research and
applications in dif ferent sectors (academia, government, industry)
of member countries of NATO. Some scientific leaders and experts on
the subject matter from the non-NATO countries were also invited.
They convened to discuss the state-of-the-art in two-phase flow and
heat transfer and formulated recommendations for future research
directions. To achieve these goals, invited key papers and a
limited number of contributions were presented and discussed. The
specific aspects of the subject were treated in depth in the panel
sessions, and the unresolved problems identified. Suitable as a
practical reference, these volumes incorporate a systematic
approach to two-phase flow analysis.
r. portance of Energy Storage 1 B. 11lk1 and S. Iaka Thermal Energy
Storage Systems and Their Dynamic Behavior 11 W. J. Yang Second Law
Optimization of Thermal Energy Storage Systems: 37 Fundaaentals and
Sensible Heat Systems R. J. Irane Second Law Optimization of
Thermal Energy Storage Systems: 69 Latent Heat Systems R. J. Irane
Design, Optimization and Control of a Thermal Energy Storage System
89 Y. Jaluria A MOdel for Energy Retrieval from a Thermal Storage
117 G. Cossali, G. de Giorgio and L. Mazzarella Storage of Solar
Thermal Energy 129 S. Iaka . E. Payko and Y. Yener Thermal Energy
Storage and Extraction in Solar Ponds 163 Y. Jaluria Phase Change
Heat Transfer in Cylindrical Domain: MOdelling and 191 Its
Importance in the Thermal Energy Storage M. Toksoy and B. Z. ilken
Solar Energy Storage in Packed Beds 231 W. J. Yang Expert. ental
and Numerical MOdelling of Solar Energy Storage in 249 Rockbeds and
Encapsulated Phase Change Material Packings J. M. Buchlin New
Approaches to Heat Storage in Buildings 303 C. J. Swet Thermal
Energy Storage for Cooling in Commercial Buildings 315 H. Akbari
and A. Mertol Cool Storage for Solar and Conventional Air
Conditioning 349 C. J. Swet The Importance of Heat Storage When
Using Cogeneration Plants in Cold 369 Climates A. Haag
Gravity-Assisted Melting in Enclosures 383 S. Sengupta and S. K.
Roy Energy Storage and Nuclear Reactors 415 N. Aybers Comparison of
Solar-Hydrogen with Synthetic Fossil Fuels 431 T. N."
Heat transfer enhancement in single-phase and two-phase flow heat
exchangers in important in such industrial applications as power
generating plant, process and chemical industry, heating,
ventilation, air conditioning and refrigeration systems, and the
cooling of electronic equipment. Energy savings are of primary
importance in the design of such systems, leading to more
efficient, environmentally friendly devices. This book provides
invaluable information for such purposes.
Heat Conduction, Fifth Edition, upholds its reputation as the
leading text in the field for graduate students, and as a resource
for practicing engineers. The text begins with fundamental
concepts, introducing the governing equation of heat conduction,
and progresses through solutions for one-dimensional conduction,
orthogonal functions, Fourier series and transforms, and
multi-dimensional problems. Integral equations, Laplace transforms,
finite difference numerical methods, and variational formulations
are then covered. A systematic derivation of the analytical
solution of heat conduction problems in heterogeneous media,
introducing a more general approach based on the integral transform
method, has been added in this new edition, along with new and
revised problems, and complete problem solutions for instructors.
Refrigeration plays a prominent role in our everyday lives, and
cryogenics plays a major role in medical science, space technology
and the cooling of low-temperature electronics. This volume
contains chapters on basic refrigeration systems, non-compression
refrigeration and cooling, and topics related to global
environmental issues, alternative refrigerants, optimum refrigerant
selection, cost-quality optimization of refrigerants, advanced
thermodynamics of reverse-cycle machines, applications in medicine,
cryogenics, heat pipes, gas-solid absorption refrigeration,
multisalt resorption heat pumps, cryocoolers, thermoacoustic
refrigeration, cryogenic heat transfer and enhancement and other
topics covering theory, design, and applications, such as pulse
tube refrigeration, which is the most efficient of all cryocoolers
and can be used in space missions.
Refrigeration plays a prominent role in our everyday lives, and
cryogenics plays a major role in medical science, space technology
and the cooling of low-temperature electronics. This volume
contains chapters on basic refrigeration systems, non-compression
refrigeration and cooling, and topics related to global
environmental issues, alternative refrigerants, optimum refrigerant
selection, cost-quality optimization of refrigerants, advanced
thermodynamics of reverse-cycle machines, applications in medicine,
cryogenics, heat pipes, gas-solid absorption refrigeration,
multisalt resorption heat pumps, cryocoolers, thermoacoustic
refrigeration, cryogenic heat transfer and enhancement and other
topics covering theory, design, and applications, such as pulse
tube refrigeration, which is the most efficient of all cryocoolers
and can be used in space missions.
Heat transfer enhancement in single-phase and two-phase flow heat
exchangers in important in such industrial applications as power
generating plant, process and chemical industry, heating,
ventilation, air conditioning and refrigeration systems, and the
cooling of electronic equipment. Energy savings are of primary
importance in the design of such systems, leading to more
efficient, environmentally friendly devices. This book provides
invaluable information for such purposes.
The rapid growth of literature on convective heat and mass transfer
through porous media has brought both engineering and fundamental
knowledge to a new state of completeness and depth. Additionally,
several new questions of fundamental merit have arisen in several
areas which bear direct relation to further advancement of basic
knowledge and applications in this field. For example, the growth
of fundamental heat transfer data and correlations for engineering
use for saturated media has now reached the point where the
relations for heat transfer coefficients and flow parameters are
known well enough for design purposes. Multiple flow field regimes
in natural convection have been identified in several important
enclosure geometries. New questions have arisen on the nature of
equations being used in theoretical studies, i. e. , the Validity
of Darcy assumption is being brought into question; Wall effects in
high and low velocity flow fields have been found to play a role in
predicting transport coefficients; The formulation of transport
problems in fractured media are being investigated as both an
extension of those in a homogeneous medium and for application in
engineering systems in geologic media and problems on saturated
media are being addressed to determine their proper formulation and
solution. The long standing problem of how to adequately formulate
and solve problems of multi-phase heat and mass transfer in
heterogeneous media is important in the technologies of chemical
reactor engineering and enhanced oil recovery.
r. portance of Energy Storage 1 B. 11lk1 and S. Iaka Thermal Energy
Storage Systems and Their Dynamic Behavior 11 W. J. Yang Second Law
Optimization of Thermal Energy Storage Systems: 37 Fundaaentals and
Sensible Heat Systems R. J. Irane Second Law Optimization of
Thermal Energy Storage Systems: 69 Latent Heat Systems R. J. Irane
Design, Optimization and Control of a Thermal Energy Storage System
89 Y. Jaluria A MOdel for Energy Retrieval from a Thermal Storage
117 G. Cossali, G. de Giorgio and L. Mazzarella Storage of Solar
Thermal Energy 129 S. Iaka . E. Payko and Y. Yener Thermal Energy
Storage and Extraction in Solar Ponds 163 Y. Jaluria Phase Change
Heat Transfer in Cylindrical Domain: MOdelling and 191 Its
Importance in the Thermal Energy Storage M. Toksoy and B. Z. ilken
Solar Energy Storage in Packed Beds 231 W. J. Yang Expert. ental
and Numerical MOdelling of Solar Energy Storage in 249 Rockbeds and
Encapsulated Phase Change Material Packings J. M. Buchlin New
Approaches to Heat Storage in Buildings 303 C. J. Swet Thermal
Energy Storage for Cooling in Commercial Buildings 315 H. Akbari
and A. Mertol Cool Storage for Solar and Conventional Air
Conditioning 349 C. J. Swet The Importance of Heat Storage When
Using Cogeneration Plants in Cold 369 Climates A. Haag
Gravity-Assisted Melting in Enclosures 383 S. Sengupta and S. K.
Roy Energy Storage and Nuclear Reactors 415 N. Aybers Comparison of
Solar-Hydrogen with Synthetic Fossil Fuels 431 T. N."
Two-phase flow heat exchangers are vital components of systems for
power generation, chemical processing, and thermal environment
control. The art and science of the design of such heat exchangers
have advanced considerably in recent years. This is due to better
understanding of the fundamentals of two-phase flow and heat
transfer in simple geometries, greater appreciation of these
processes in complex goemetries, and enhanced predictive capability
through use of complex computer codes. The subject is clearly of
great fundamental and practical importance. The NATO ASIan
Thermal-Hydraulic Fundamentals and Design of Two-Phase Flow Heat
Exchangers was held in Povoa de Varzim (near Porto), Portugal, July
6-17, 1987. participating in the organization of" the ASI were the
Department of Mechanical Engineering and the Clean Energy Research
Institute, University of Miami; Universidade do Porto; and the
Department of Mechanical Engineering, Aeronautical Eng ineer ing,
and Mechanics, Rensselaer Polytechnic Institute. The ASI was
arranged primarily as a high-level teaching activity by experts
representing both academic and industrial viewpoints. The program
included the presentation of invited lectures, a limited number of
related technical papers and discussion sessions.
Over the past two decades, two-phase flow and heat transfer
problems associated with two-phase phenomena have been a challenge
to many investigators. Two-phase flow applications are found in a
wide range of engineering systems, such as nuclear and conventional
power plants, evaporators of refrigeration systems and a wide vari
ety of evaporative and condensive heat exchangers in the chemical
industry. This publication is based on the invited lectures
presented at the NATO Advanced Research Workshop on the Advances in
Two-Phase Flow and Heat Transfer. The Horkshop was attended by more
than 50 leading scientists and practicing engineers who work
actively on two-phase flow and heat transfer research and
applications in dif ferent sectors (academia, government, industry)
of member countries of NATO. Some scientific leaders and experts on
the subject matter from the non-NATO countries were also invited.
They convened to discuss the state-of-the-art in two-phase flow and
heat transfer and formulated recommendations for future research
directions. To achieve these goals, invited key papers and a
limited number of contributions were presented and discussed. The
specific aspects of the subject were treated in depth in the panel
sessions, and the unresolved problems identified. Suitable as a
practical reference, these volumes incorporate a systematic
approach to two-phase flow analysis."
Over the past two decades, two-phase flow and heat transfer
problems associated with two-phase phenomena have been a challenge
to many investigators. Two-phase flow applications are found in a
wide range of engineering systems, such as nuclear and conventional
power plants, evaporators of refrigeration systems and a wide vari
ety of evaporative and condensive heat exchangers in the chemical
industry. This publication is based on the invited lectures
presented at the NATO Advanced Research Workshop on the Advances in
Two-Phase Flow and Heat Transfer. The Horkshop was attended by more
than 50 leading scientists and practicing engineers who work
actively on two-phase flow and heat transfer research and
applications in dif ferent sectors (academia, government, industry)
of member countries of NATO. Some scientific leaders and experts on
the subject matter from the non-NATO countries were also invited.
They convened to discuss the state-of-the-art in two-phase flow and
heat transfer and formulated recommendations for future research
directions. To achieve these goals, invited key papers and a
limited number of contributions were presented and discussed. The
specific aspects of the subject were treated in depth in the panel
sessions, and the unresolved problems identified. Suitable as a
practical reference, these volumes incorporate a systematic
approach to two-phase flow analysis."
Presents a systematic approach to heat exchangers, focusing on
fundamentals and applications Provides realistic design examples to
enable instructors to assign thermal design projects to students
Adds new or updated coverage of gasketed, compact and microscale
heat exchangers Covers both single-phase and two-phase forced
convection correlations Includes Figure Slides and a complete
Solutions Manual for instructor adopting the text
Intended for readers who have taken a basic heat transfer course
and have a basic knowledge of thermodynamics, heat transfer, fluid
mechanics, and differential equations, Convective Heat Transfer,
Third Edition provides an overview of phenomenological convective
heat transfer. This book combines applications of engineering with
the basic concepts of convection. It offers a clear and balanced
presentation of essential topics using both traditional and
numerical methods. The text addresses emerging science and
technology matters, and highlights biomedical applications and
energy technologies. What's New in the Third Edition: Includes
updated chapters and two new chapters on heat transfer in
microchannels and heat transfer with nanofluids Expands problem
sets and introduces new correlations and solved examples Provides
more coverage of numerical/computer methods The third edition
details the new research areas of heat transfer in microchannels
and the enhancement of convective heat transfer with nanofluids.
The text includes the physical mechanisms of convective heat
transfer phenomena, exact or approximate solution methods, and
solutions under various conditions, as well as the derivation of
the basic equations of convective heat transfer and their
solutions. A complete solutions manual and figure slides are also
available for adopting professors. Convective Heat Transfer, Third
Edition is an ideal reference for advanced research or coursework
in heat transfer, and as a textbook for senior/graduate students
majoring in mechanical engineering and relevant engineering
courses.
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