A numerical study on pressure drop in microchannel flow with different bionic micro-grooved surfaces

J Cui, Y Fu - Journal of Bionic Engineering, 2012 - Springer
The studies of bionics reveal that some aquatic animals and winged insects have developed
an unsmoothed surface possessing good characteristics of drag reduction. In this paper, four …

[HTML][HTML] Effect of wall roughness by the bionic structure of dragonfly wing on microfluid flow and heat transfer characteristics

Z Wang, B Li, QQ Luo, W Zhao - International Journal of Heat and Mass …, 2021 - Elsevier
In order to strengthen flow and heat transfer performance of the smooth rectangular
microchannel (SRM), a novel of bionic rectangular microchannel (BRM) with a hydraulic …

Heat transfer enhancement for outlet part of the bionic microchannel by various concise rib configurations

J Zhou - Numerical Heat Transfer, Part A: Applications, 2023 - Taylor & Francis
In this study, to solve the problems of high temperature in the region near the outlet of
microchannel and the difficulty in manufacturing complex ribs, three concise rib …

Drag reduction characteristics of bionic structure composed of grooves and mucous membrane acting on turbulent boundary layer

K Zhang, C Ma, J Zhang, B Zhang… - Journal of Applied Fluid …, 2021 - jafmonline.net
The biological surface structure comprising fish scales and a mucous membrane exhibits
good turbulent drag reduction ability. Based on this structure, a bionic frictional drag …

Thermal-hydraulic performance analysis and multi-objective optimization of a microchannel with staggered semi-elliptical ribs

P Cui, W Liu, ZC Liu - Science China Technological Sciences, 2024 - Springer
To enhance the cooling capacity of traditional microchannels for high heat flux electronic
devices, a microchannel design with staggered semi-elliptical ribs is proposed in this paper …

[HTML][HTML] Parametric study on thermal and hydraulic characteristics of laminar flow in microchannel heat sink with fan-shaped ribs on sidewalls–Part 2: Pressure drop

L Chai, GD Xia, HS Wang - International Journal of Heat and Mass Transfer, 2016 - Elsevier
This second part of a three-part study concerns pressure drop of laminar flow in
microchannel heat sinks with water and silicon used as fluid and solid for the computational …

Flow and heat transfer in microchannels with dimples and protrusions

J Lan, Y Xie, D Zhang - 2012 - asmedigitalcollection.asme.org
Flow characteristics and heat transfer performances in a rectangular microchannel with
dimples/protrusions are studied numerically in this research. The height and the width of the …

[HTML][HTML] Numerical investigation of fluid flow and heat transfer in trapezoidal microchannel with groove structure

P Kumar - International Journal of Thermal Sciences, 2019 - Elsevier
Numerical analysis of fluid flow and heat transfer in a trapezoidal microchannel was done
using finite volume method for the range of Reynolds number 96 to 720. Three-dimensional …

Numerical simulation of drag reduction in microgrooved substrates using lattice-Boltzmann method

H Asadzadeh, A Moosavi… - Journal of Fluids …, 2019 - asmedigitalcollection.asme.org
We study drag reduction of a uniform flow over a flat surface due to a series of rectangular
microgrooves created on the surface. The results reveal that making grooves on the surface …

Slime‐Groove Drag Reduction Characteristics and Mechanism of Marine Biomimetic Surface

M Yan, Y Gu, L Ma, J Tang, C He… - Applied bionics and …, 2022 - Wiley Online Library
With the development of science and technology, energy consumption and demand
continue to increase, and energy conservation and consumption reduction have become the …