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Simulation and optimization of thermo-fluid systems: microchannel cooling and other applications
Descriptive
TitleInfo
Title
Simulation and optimization of thermo-fluid systems: microchannel cooling and other applications
Name
(type = personal)
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(type = family)
Zhang
NamePart
(type = given)
Xiaobing
NamePart
(type = date)
1991-
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Xiaobing Zhang
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author
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Jaluria
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Yogesh
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Yogesh Jaluria
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Advisory Committee
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chair
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Guo
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Zhixiong
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Zhixiong Guo
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Advisory Committee
Role
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(authority = RULIB)
internal member
Name
(type = personal)
NamePart
(type = family)
Diez-Garias
NamePart
(type = given)
Javier
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Javier Diez-Garias
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Advisory Committee
Role
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(authority = RULIB)
internal member
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(type = personal)
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(type = family)
Tuffile
NamePart
(type = given)
Charles
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Charles Tuffile
Affiliation
Advisory Committee
Role
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(authority = RULIB)
outside member
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Rutgers University
Role
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(authority = RULIB)
degree grantor
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School of Graduate Studies
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school
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Text
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theses
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2020
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2020-01
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2020
Language
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English
Abstract
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Microchannel systems for cooling applications such as in thermal management of electronic equipment are investigated and optimized under deterministic and reliability conditions. Numerical simulations are carried out to study the conjugate heat transfer and flow behavior. The numerical model has been validated by comparing with analytical and experimental results. Uncertainties are often significant in the operating and design of thermal systems. Any minor variations in the design variables or operating conditions may lead to system failure. In this study, a microchannel cooling system for a 1 cm x 1 cm electronic chip is studied and optimized under design uncertainties. Three significant design variables or operating conditions are considered: (1) flow rate, (2) channel width or the number of channels, (3) heat flux. The standard deviations for the design variables, which are assumed to be normal distributions, are taken as 5% of the mean values. The acceptable probability of failure is chosen as 0.13%, which is the usually accepted level in reliability studies. Response surfaces are used to represent the thermal and fluid behavior in the microchannel systems. Based on the Polynomial Response Surface (PRS) modeling results, a multi-objective optimization problem is formulated to reduce both pumping power and thermal resistance. Two major practical concerns, hot-spot temperature and pressure difference serve as constraints. With varying weights on the two conflicting objectives, Pareto frontiers for deterministic and reliability cases are determined and compared. The differences demonstrate the importance of uncertainty in the microchannel cooling applications. This study provides more reliable and realistic design solutions for microchannel cooling systems.
This approach may be extended to the simulation, design and optimization of other thermal problems and processes. In this study, the selective laser melting (SLM) gas chamber and chemical vapor deposition (CVD) systems are simulated and optimized as well. It is proven that this basic approach presented here is applicable to a wide variety of thermal fluid systems. Similar concerns and trends arise in the modelling and design of these systems.
This approach may be extended to the simulation, design and optimization of other thermal problems and processes. In this study, the selective laser melting (SLM) gas chamber and chemical vapor deposition (CVD) systems are simulated and optimized as well. It is proven that this basic approach presented here is applicable to a wide variety of thermal fluid systems. Similar concerns and trends arise in the modelling and design of these systems.
Subject
(authority = RUETD)
Topic
Mechanical and Aerospace Engineering
Subject
(authority = local)
Topic
Reliability
Subject
(authority = LCSH)
Topic
Integrated circuits -- Cooling
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Title
Rutgers University Electronic Theses and Dissertations
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ETD_10520
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application/pdf
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text/xml
Extent
1 online resource (xiv, 86 pages) : illustrations
Note
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Ph.D.
Note
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Includes bibliographical references
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School of Graduate Studies Electronic Theses and Dissertations
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rucore10001600001
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NjNbRU
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doi:10.7282/t3-38zc-zs46
Genre
(authority = ExL-Esploro)
ETD doctoral
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Rights
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The author owns the copyright to this work.
RightsHolder
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Name
FamilyName
Zhang
GivenName
Xiaobing
Role
Copyright Holder
RightsEvent
Type
Permission or license
DateTime
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2020-01-09 10:36:02
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Name
Xiaobing Zhang
Role
Copyright holder
Affiliation
Rutgers University. School of Graduate Studies
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Type
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Name
Author Agreement License
Detail
I hereby grant to the Rutgers University Libraries and to my school the non-exclusive right to archive, reproduce and distribute my thesis or dissertation, in whole or in part, and/or my abstract, in whole or in part, in and from an electronic format, subject to the release date subsequently stipulated in this submittal form and approved by my school. I represent and stipulate that the thesis or dissertation and its abstract are my original work, that they do not infringe or violate any rights of others, and that I make these grants as the sole owner of the rights to my thesis or dissertation and its abstract. I represent that I have obtained written permissions, when necessary, from the owner(s) of each third party copyrighted matter to be included in my thesis or dissertation and will supply copies of such upon request by my school. I acknowledge that RU ETD and my school will not distribute my thesis or dissertation or its abstract if, in their reasonable judgment, they believe all such rights have not been secured. I acknowledge that I retain ownership rights to the copyright of my work. I also retain the right to use all or part of this thesis or dissertation in future works, such as articles or books.
Copyright
Status
Copyright protected
Availability
Status
Open
Reason
Permission or license
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2020-01-09T22:28:36
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2020-01-09T22:28:36
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