Journal ArticleDOI
Parametric study on thermal performance of microchannel heat sinks with internal vertical Y-shaped bifurcations
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In this paper, the effect of the length of Y-shaped bifurcation and the angles of the arms on the overall performance of the microchannel heat sink was examined, and the thermal and fluid flow characteristics were investigated numerically.About:
This article is published in International Journal of Heat and Mass Transfer.The article was published on 2015-11-01. It has received 97 citations till now. The article focuses on the topics: Microchannel & Thermal resistance.read more
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Overview of micro-channel design for high heat flux application
TL;DR: In this paper, a micro-channel heat sink has been introduced to dissipate the heat flux with capacity of 10MWm−2, which provides an ideal solution in the thermal management technology.
Journal ArticleDOI
Parametric study on thermal and hydraulic characteristics of laminar flow in microchannel heat sink with fan-shaped ribs on sidewalls – Part 1: Heat transfer
TL;DR: In this article, a three-dimensional numerical model has been conducted to study the heat transfer characteristics of laminar flow in micro-channel heat sinks with different geometric fan-shaped ribs on sidewalls for Reynolds number ranging from 187 to 715.
Journal ArticleDOI
Laminar flow and heat transfer characteristics of interrupted microchannel heat sink with ribs in the transverse microchambers
TL;DR: In this article, a three-dimensional model based on finite volume approach and SIMPLEC algorithm is performed considering entrance effect, conjugate heat transfer, viscous heating and temperature-dependent thermo-physical properties.
Journal ArticleDOI
Parametric study on thermal and hydraulic characteristics of laminar flow in microchannel heat sink with fan-shaped ribs on sidewalls – Part 3: Performance evaluation
TL;DR: In this article, the performance of a microchannel heat sink with fan-shaped ribs on sidewalls was comprehensively assessed, and the relationship between thermal resistance and pumping power was further analyzed.
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Thermohydraulic performance of microchannel heat sinks with triangular ribs on sidewalls – Part 2: Average fluid flow and heat transfer characteristics
Lei Chai,Liang Wang,Xin Bai +2 more
TL;DR: In this paper, the effect of geometry parameters of triangular ribs on laminar flow and heat transfer characteristics was examined by the variations of average friction factor and Nusselt number for Reynolds number ranging from 187 to 715.
References
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Journal ArticleDOI
High-performance heat sinking for VLSI
TL;DR: In this paper, a water-cooled integral heat sink for silicon integrated circuits has been designed and tested at a power density of 790 W/cm2, with a maximum substrate temperature rise of 71°C above the input water temperature.
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Shape and Structure, from Engineering to Nature
TL;DR: In this paper, the authors propose a model of the natural form, questioning, and theory of the human body and the structure of a human body in terms of the following: 1. Natural Form, questioning and theory 2. Mechanical structure 3. Thermal structure 4. Heat trees 5. Fluid trees 6. Ducts and rivers 7. Turbulent structure 8. Convective trees 9. Structure in time: rhythm 11. Transportation and economics structure 12. Shapes with constant resistance
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Investigation of heat transfer in rectangular microchannels
TL;DR: In this article, an experimental investigation was conducted to explore the validity of classical correlations based on conventionalsized channels for predicting the thermal behavior in single-phase flow through rectangular microchannels.
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Thermally Developing Flow and Heat Transfer in Rectangular Microchannels of Different Aspect Ratios
Poh Seng Lee,Suresh V. Garimella +1 more
TL;DR: In this paper, three-dimensional numerical simulations were performed for laminar thermally developing flow in microchannels of different aspect ratios, based on the temperature and heat flux distributions obtained, both the local and average Nusselt numbers were presented graphically as a function of the dimensionless axial distance and channel aspect ratio.
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Analysis of two-layered micro-channel heat sink concept in electronic cooling
Kambiz Vafai,Lu Zhu +1 more
TL;DR: In this article, a two-layered micro-channel heat sink with counter current flow arrangement for cooling of the electronic components is proposed, and the thermal performance and the temperature distribution for these types of micro channels were analyzed and a procedure for optimizing the geometrical design parameters is presented.