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Analysis Of Thermal Transport In Minichannel Heat Sinks
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Book Synopsis Analysis of Thermal Transport in Minichannel Heat Sinks by : Kalyan Inamdar
Download or read book Analysis of Thermal Transport in Minichannel Heat Sinks written by Kalyan Inamdar and published by . This book was released on 2017 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many biological systems providing very high heat and mass transfer rates in organs such as brain, liver, and lungs use microchannels and minichannels. A few years back transport in small channels gained ground due to the high heat transfer rates. Since then a lot of research has been done on heat transfer in microchannels both experimentally and numerically. The analysis done minichannels is mainly experimental and very less literature exists on numerical analysis done on heat transfer in minichannels. Some work that exists, considers short channels with aspect ratios in the range of 0.3 to 0.5. Moreover, the work done prior to this work considered considerably lower imposed heat fluxes. The experimental work done on minichannel heat sinks also considers short sinks with heat flux in the order of 40kW/m2. Hence, in this study the focus is on minichannels with an aspect ratio of the order of 0.01 and with very high heat flux imposed, of the order of 700 kW/m2. The analysis is done for three as well as two-dimensional channels. Three different channels of height 1 mm, 2 mm and 3 mm are analyzed and the results of the analysis are studied. The pressure drop across the heat sink is also reported. The temperature drop across the heat sink is reported and found to be minimum for the channel with height 3 mm for a three-dimensional channel.
Book Synopsis Thermal Transport in Oblique Finned Micro/Minichannels by : Yan Fan
Download or read book Thermal Transport in Oblique Finned Micro/Minichannels written by Yan Fan and published by Springer. This book was released on 2014-10-15 with total page 143 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main aim of this book is to introduce and give an overview of a novel, easy, and highly effective heat transfer augmentation technique for single-phase micro/minichannel heat sink. The specific objectives of the volume are to: Introduce a novel planar oblique fin microchannel and cylindrical oblique fin minichannel heat sink design using passive heat transfer enhancement techniques Investigate the thermal transport in both planar and cylindrical oblique fin structures through numerical simulation and systematic experimental studies. Evaluate the feasibility of employing the proposed solution in cooling non-uniform heat fluxes and hotspot suppression Conduct the similarity analysis and parametric study to obtain empirical correlations to evaluate the total heat transfer rate of the oblique fin heat sink Investigate the flow mechanism and optimize the dimensions of cylindrical oblique fin heat sink Investigate the influence of edge effect on flow and temperature uniformity in these oblique fin channels.
Book Synopsis Heat Transfer and Fluid Flow in Minichannels and Microchannels by : Satish Kandlikar
Download or read book Heat Transfer and Fluid Flow in Minichannels and Microchannels written by Satish Kandlikar and published by Elsevier. This book was released on 2006 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt: &Quot;This book explores flow through passages with hydraulic diameters from about 1 [mu]m to 3 mm, covering the range of minichannels and microchannels. Design equations along with solved examples and practice problems are also included to serve the needs of practicing engineers and students in a graduate course."--BOOK JACKET.
Book Synopsis The Thermal Characteristics Of Multilayer Minichannel Heat Sinks In Single-Phase And Two-Phase Flow by : Ning Lei
Download or read book The Thermal Characteristics Of Multilayer Minichannel Heat Sinks In Single-Phase And Two-Phase Flow written by Ning Lei and published by . This book was released on 2006 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt: Liquid cooled small channel heat sinks have become a promising heat dissipation method for future high power electrical devices. Traditional mini and microchannel heat sinks consist of a single layer of low-aspect ratio rectangular channels. The alternative new heat sinks are fabricated by stacking many channels together to create multiple layer channels. These multilayer heat sinks can achieve high heat flux due to high heat transfer coefficients from small channels and large surface area from multilayer structure. In this research, multilayer copper and silicon carbide (SIC) minichannel heat sinks were tested in single-phase flow. It was shown that multilayer heat sinks have significant advantages over single-layer equivalents with reductions both in thermal resistance and pressure drop. A 3-D resistance network model for single and multilayered heat sinks was developed and validated. Parametric study and optimization on copper and SiC heat sinks with respect to channel geometries, number of layers, and heat sink conductivity were conducted by using the model. Both copper and SiC heat sinks were also tested in two-phase flow. In experiments, the multilayer copper heat sinks achieved smaller average surface temperature than their single-layer counterpart at low heat flux. However the multilayer copper heat sinks gradually lost stability at high heat flux, which lead to increased surface temperature. The redistribution of flow in different layers caused by pressure discrepancy in different layers was believed to be the cause. A three-zone model, which dividing the flow in small channels into three distinguishing parts: single-phase flow, subcooled boiling flow, and saturated boiling flow, was proposed to describe the different two-phase flow regimes. In each zone, the local heat transfer coefficient was computed by corresponding correlation. Several boiling correlations combined with the resistance network model were used to compute the heat sink surface temperature distributions, which were compared with experimental results. It was found the classical boiling correlations for macro channels are not suitable for the minichannels, frequently overestimating the boiling heat transfer coefficient. Boiling correlations for small channels are more consistent with experimental data and the predictions of Yu's correlation match the experimental results best.
Book Synopsis Silicon Microchannel Heat Sinks by : Lian Zhang
Download or read book Silicon Microchannel Heat Sinks written by Lian Zhang and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two-phase microchannel cooling is one of the most promising thermal-management technologies for future high-power IC chips. Understanding the boiling process and the two-phase-flow behavior in microchannels is the key to successful implementation of a microchannel heat sink. This book focuses on the phase-change phenomena and the heat transfer in sub-150 nm diameter silicon microchannels, with emphasis on thermal measurement and modeling, and the impact of small dimensions on two-phase flow regimes.
Book Synopsis Microscale and Nanoscale Heat Transfer by : C.B. Sobhan
Download or read book Microscale and Nanoscale Heat Transfer written by C.B. Sobhan and published by CRC Press. This book was released on 2008-06-12 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: Through analyses, experimental results, and worked-out numerical examples, Microscale and Nanoscale Heat Transfer: Fundamentals and Engineering Applications explores the methods and observations of thermophysical phenomena in size-affected domains. Compiling the most relevant findings from the literature, along with results from their own re
Book Synopsis Analysis of the Heat Transfer and Flow in Minichannel and Microchannel Heat Sinks by Single and Two-phase Mixture Models by : Abdullah M. Ali
Download or read book Analysis of the Heat Transfer and Flow in Minichannel and Microchannel Heat Sinks by Single and Two-phase Mixture Models written by Abdullah M. Ali and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Phase Change Material-Based Heat Sinks by : Srikanth Rangarajan
Download or read book Phase Change Material-Based Heat Sinks written by Srikanth Rangarajan and published by CRC Press. This book was released on 2019-11-20 with total page 223 pages. Available in PDF, EPUB and Kindle. Book excerpt: Phase-change Material based heat sinks and associated optimization remains a topic of great interest, as evident from the increasing number of citations and new applications and miniaturization. Often the multi objective perspective of such heat sinks is ignored. This book introduces the readers to the PCM based heat sinks and Multi objective optimization. The authors have also included interesting in house experimental results on the "Rotating heat sinks" which is a first of a kind work. Useful to budding thermal researchers and practicing engineers in the field, this book is also a great start for students to understand the cooling applications in electronics and an asset to every library in a technical university. Since this book not only gives a critical review of the state of the art but also presents the authors' own results. The book will encourage, motivate and let the reader consider pursuing a research career in electronic cooling technologies.
Book Synopsis Thermal Performance of Nanofluids in Miniature Heat Sinks with Conduits by : S. Harikrishnan
Download or read book Thermal Performance of Nanofluids in Miniature Heat Sinks with Conduits written by S. Harikrishnan and published by Springer Nature. This book was released on 2022-01-04 with total page 105 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive book focuses on the basic physical features and purpose of nanofluids and miniature heat sinks. The contents demonstrate the design modification, fabrication, experimental investigation, and various applications of miniature heat sinks. The book provides context for thermal performance of miniature heat sinks as well as summaries of experimental results correlations that reflect the current technical innovations are included. This book is a useful reference for both academia and industry alike.
Book Synopsis Liquid Cooling of Electronic Devices by Single-Phase Convection by : Frank P. Incropera
Download or read book Liquid Cooling of Electronic Devices by Single-Phase Convection written by Frank P. Incropera and published by Wiley-Interscience. This book was released on 1999-05-31 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: Channeling or controlling the heat generated by electronics products is a vital concern of product developers: fail to confront this issue and the chances of product failure escalate. This third book in the series explores yet another method of heat management-the use of liquids to absorb and remove heat away from vital parts of the electronic systems.
Book Synopsis Thermal Management of Electronics, Volume II by : Rajesh Baby
Download or read book Thermal Management of Electronics, Volume II written by Rajesh Baby and published by Momentum Press. This book was released on 2019-04-03 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: Phase change material (PCM)-based composite heat sinks have attracted great interest in recent decades, especially in the context of thermal management of portable electronic devices such as mobile phones, digital cameras, personal digital assistants, and notebooks. In this monograph, a detailed analysis of plate fin heat sinks and plate fin heat sink matrix is presented, based on in-house experiments. Performance benchmarks are articulated and presented for these heat sinks. The state of the art in the development of PCM-based heat sinks and the challenges are outlined, and directions on future development are provided. It is our sincere hope and trust that this book will not only be informative but also awaken curiosity and inspire thermal management solution seekers to delve deep into the ocean of research in PCM-based heat sinks and discover their own pearls and diamonds.
Book Synopsis Experimental and Computational Heat Transfer Analysis of Micro-Channel Heat Sink with Different Manifold Arrangements by : Independently Published
Download or read book Experimental and Computational Heat Transfer Analysis of Micro-Channel Heat Sink with Different Manifold Arrangements written by Independently Published and published by . This book was released on 2018-09-14 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heat sink is an object, system or an environment that absorbs or dissipates heat from anotherusing direct or radiant thermal contact. Heat sink is object that enhances heat dissipation fromcomponent to a cooler ambient. The primary purpose of a heat sink is to maintain the temperatureof the device being cooled within acceptable limits as specified by the component manufacturer.Heat sinks are normally made up of copper or aluminum and is in directly contact with microchipson a circuit board.This advancement leads to the development of miniaturized systems, which further leads tovarious applications, as in the field of medical science, electronic and bioengineering. These typesof systems often contain small scale fluid channels embedded in the surrounding solids withheating sourcesStudy have been done on the different shapes of manifolds through the project. In this workdifferent watts (50, 75, 100 and 125 W) are used with Reynolds number ranging from 342 to857.Due to the instability of flow at the entrance and exit regions of the micro channels, it is thebasic needs to come up with an efficient design of inlet and outlet manifold shapes and with anefficient design of micro-channels.The overall performance of micro channel heat sink (MCHS) as a system is affected by the inletand outlet manifold arrangements in addition to array of micro channel. In the present study theexperimental analysis is performed w.r.t the heat transfer coefficient, pressure drop and Nusseltnumber for three different manifold arrangements. In the experiment deionized water is made toflow through the inlet manifolds to the array of micro channels and exit is through outletmanifolds. In the present work three different arrangements: Rectangular (R), Rectangle withsemi-circular (RSC) and Divergent Convergent (DC) of the inlet and outlet manifolds areselected. Within the Reynolds number range 342-857 DC type manifold has highest heat transfercoefficient of about 24%-32% in comparison to Rectangle (R) type manifold while Rectanglewith semi-circle (RSC) shows an enhancement of about 7% to 10% as compare to Rectangular(R).
Book Synopsis Shape and Structure, from Engineering to Nature by : Adrian Bejan
Download or read book Shape and Structure, from Engineering to Nature written by Adrian Bejan and published by Cambridge University Press. This book was released on 2000-10-16 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: Seemingly universal geometric forms unite the flow systems of engineering and nature. For example, tree-shaped flows can be seen in computers, lungs, dendritic crystals, urban street patterns, and communication links. In this groundbreaking book, Adrian Bejan considers the design and optimization of engineered systems and discovers a deterministic principle of the generation of geometric form in natural systems. Shape and structure spring from the struggle for better performance in both engineering and nature. This idea is the basis of the new constructal theory: the objective and constraints principle used in engineering is the same mechanism from which the geometry in natural flow systems emerges. From heat exchangers to river channels, the book draws many parallels between the engineered and the natural world. Among the topics covered are mechanical structure, thermal structure, heat trees, ducts and rivers, turbulent structure, and structure in transportation and economics. The numerous illustrations, examples, and homework problems in every chapter make this an ideal text for engineering design courses. Its provocative ideas will also appeal to a broad range of readers in engineering, natural sciences, economics, and business.
Book Synopsis Advances in Mechanical Engineering by : B. B. Biswal
Download or read book Advances in Mechanical Engineering written by B. B. Biswal and published by Springer Nature. This book was released on 2020-01-16 with total page 1688 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book comprises select proceedings of the International Conference on Recent Innovations and Developments in Mechanical Engineering (IC-RIDME 2018). The book contains peer reviewed articles covering thematic areas such as fluid mechanics, renewable energy, materials and manufacturing, thermal engineering, vibration and acoustics, experimental aerodynamics, turbo machinery, and robotics and mechatronics. Algorithms and methodologies of real-time problems are described in this book. The contents of this book will be useful for both academics and industry professionals.
Book Synopsis Single/two-phase Flow Maldistribution in Minichannel Heat-sinks Under Non-uniform Heating by : Navid Saneie
Download or read book Single/two-phase Flow Maldistribution in Minichannel Heat-sinks Under Non-uniform Heating written by Navid Saneie and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Thermal Management of Electronics, Volume I by : Rajesh Baby
Download or read book Thermal Management of Electronics, Volume I written by Rajesh Baby and published by Momentum Press. This book was released on 2019-03-27 with total page 183 pages. Available in PDF, EPUB and Kindle. Book excerpt: Phase change material (PCM)-based composite heat sinks have attracted great interest in recent decades, especially in the context of thermal management of portable electronic devices such as mobile phones, digital cameras, personal digital assistants, and notebooks. In this monograph, a detailed analysis of plate fin heat sinks and plate fin heat sink matrix is presented, based on in-house experiments. Performance benchmarks are articulated and presented for these heat sinks. The state of the art in the development of PCM-based heat sinks and the challenges are outlined, and directions on future development are provided. It is our sincere hope and trust that this book will not only be informative but also awaken curiosity and inspire thermal management solution seekers to delve deep into the ocean of research in PCM-based heat sinks and discover their own pearls and diamonds.
Book Synopsis Fluid Mechanics and Fluid Power, Volume 1 by : Krishna Mohan Singh
Download or read book Fluid Mechanics and Fluid Power, Volume 1 written by Krishna Mohan Singh and published by Springer Nature. This book was released on 2024-01-06 with total page 849 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book comprises select peer-reviewed proceedings of the 9th International and 49th National Conference on Fluid Mechanics and Fluid Power (FMFP 2022). This book brings together scientific ideas and engineering solutions put forth by researchers and practitioners from academia and industry in the important and ubiquitous field of fluid mechanics. The contents of this book focus on fundamental issues and perspective in fluid mechanics, measurement techniques in fluid mechanics, computational fluid and gas dynamics, instability, transition and turbulence, fluid-structure interaction, multiphase flows, microfluidics, bio-inspired fluid mechanics, aerodynamics, turbomachinery, propulsion and power and other miscellaneous topics in the broad domain of fluid mechanics. This book is a useful reference to researchers and professionals working in the broad field of mechanics.
