Results 1 to 10 of about 2,015 (231)
Numerical Study of Thermal Enhancement in a Single- and Double-Layer Microchannel Heat Sink with Different Ribs [PDF]
Micromachines, 2022 In this paper, a microchannel heat sink model was proposed to realize single- and double- layer flow through built-in ribs. The finite element volume method was used to analyze the influence of the length, thickness and angle of the inner rib on the flow
Miaolong Cao +3 more
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Parametric study for optimizing double-layer microchannel heat sink for solar panel thermal management [PDF]
Scientific Reports, 2022 The most significant issue affecting the electric efficiency of solar panels is overheating. Concentration photovoltaic (CPV) modules work by converting approximately 80% of sunlight to heat; this may exceed the cell operating temperature limits ...
Hesham I. Elqady +2 more
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On conjugate heat transfer in microchannel heat sinks
International Journal of ThermofluidsThis work aims to study the anisotropic thermal impacts of employing liquid metal fluids including Na and NaK as coolants in two metallic microchannel heat sinks. The two studied microchannel heat sinks have aspect ratios of 1 and 2 while their hydraulic
Nima Fathi +4 more
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Case Studies in Thermal EngineeringAs electronic devices advance toward higher power densities and increased miniaturization, the resulting rise in heat flux presents significant challenges to their performance, reliability, operational lifespan, and energy efficiency.
Liang Du +4 more
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Experimental Investigation of Microchannel Heat Sink with Modified Hexagonal Fins
Journal of Applied Fluid Mechanics, 2019 The concept of periodic renewal of boundary layers is a promising technique for the enhancement of heat transfer in microchannels. Extending the above concept, microchannel heatsink with modified hexagonal fins has been proposed for disrupting the flow ...
S. Subramanian +2 more
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Numerical Analysis of Microchannels Designed for Heat Sinks [PDF]
Nanomanufacturing and Metrology, 2021 AbstractConjugate heat transfer is numerically investigated using a three-dimensional computational fluid dynamics approach in various microchannel geometries to identify a high-performance cooling method for piezoelectric ceramic stacks and spindle units in high-precision machines.
Matthew McCormack +2 more
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IEEE Access, 2023 This work explains the simulation-based study to understand the thermohydraulic characteristics (thermal resistance and pumping power) of a MEMS heat sink using serpentine microchannels employed for thermal management of concentrated photovoltaic cells ...
Dinumol Varghese +2 more
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Experimental Study on Heat Transfer Performance of Microchannel Applied with Manifold [PDF]
한국정밀공학회지, 2022 In this paper, theoretical and experimental studies were conducted on the cooling performance of a microchannel heat dissipation device with a manifold layer added.
Jungmyung Kim, Hoyong Jang, Heesung Park
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Energies, 2021 This study proposes a novel design having dense fins with lesser thickness at the upper layer and comparatively spare fins with greater thickness in the lower layer to further improve the overall thermal performance of a double-layer microchannel heat ...
Yong-Dong Zhang +4 more
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Analysis of heat transfer and fluid flow in a microchannel heat sink with sidewall dimples and fillet profile [PDF]
, 2022 The performance of microchannel with sidewall dimples and fillet profile in the bottom surface is investigated. Two dimple sizes of (0.5 mm and 1 mm) are systematically clustered along the channels with and without fillet are considered. The laminar flow
Hayder M. Hasan +11 more
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