Convective heat transfer in diverging and converging microchannels

VS Duryodhan, A Singh, SG Singh… - International Journal of …, 2015 - Elsevier
In this work, experimental and three-dimensional numerical study is performed on single
phase liquid flow in two scenarios: heated diverging and heated converging microchannel …

On the importance of fluidic manifold design and orientation on flow boiling instability in microchannel heat sinks

G Hedau, M Qadeer, NP Gulhane, R Raj… - International Journal of …, 2023 - Elsevier
This study proposes simple modifications in the design of inlet and outlet plenum and inlet
and outlet port orientations to suppress the instabilities in two-phase microchannel heat …

Study of hydrothermal transport phenomena and performance characteristics for a flow through a diamond (diverging-converging) microchannel

S Goli, SK Saha, A Agrawal - Thermal Science and Engineering Progress, 2022 - Elsevier
A three-dimensional computational module is undertaken to assimilate the hydrothermal
transport phenomena and performance characteristics of a single-phase laminar flow …

Physics of fluid flow in an hourglass (converging–diverging) microchannel

S Goli, SK Saha, A Agrawal - Physics of Fluids, 2022 - pubs.aip.org
This work presents the numerical and experimental study of flow physics and
characterization in hourglass microchannels at different geometric and flow parameters such …

Liquid flow through a diverging microchannel

VS Duryodhan, SG Singh, A Agrawal - Microfluidics and nanofluidics, 2013 - Springer
In this work, experiments and three-dimensional numerical calculations of fluid flow through
diverging microchannels were carried out with the aim of bringing out differences between …

Complete suppression of flow boing instability in microchannel heat sinks using a combination of inlet restrictor and flexible dampener

G Hedau, R Raj, SK Saha - International Journal of Heat and Mass Transfer, 2022 - Elsevier
Flow boiling suffers from the issue of instability due to the high rate of bubble generation in
confined spaces within microchannel heat sinks. The cyclic changes in flow regimes lead to …

Combined effect of inlet restrictor and nanostructure on two-phase flow performance of parallel microchannel heat sinks

G Hedau, P Dey, R Raj, SK Saha - International Journal of Thermal …, 2020 - Elsevier
In this study, the combined effect of nanostructure and inlet restrictor on reducing the
instabilities during flow boiling in parallel microchannel heat sinks is investigated …

Thermo-fluidic behaviour of diamond and hourglass microchannels: Investigation from the second law viewpoint

S Goli, SK Saha, A Agrawal - International Journal of Heat and Mass …, 2023 - Elsevier
The potential of diamond and hourglass microchannels from the second law perspective is
explored to amplify the effectiveness of the thermal device for various thermodynamic …

Heat rate distribution in converging and diverging microchannel in presence of conjugate effect

VS Duryodhan, SG Singh, A Agrawal - … Journal of Heat and Mass Transfer, 2017 - Elsevier
This study pertains to understanding the effect of wall conduction on heat rate distribution
through varying cross sectional area microchannel. Three-dimensional numerical …

Liquid flow through converging microchannels and a comparison with diverging microchannels

VS Duryodhan, SG Singh… - Journal of Micromechanics …, 2014 - iopscience.iop.org
Diverging and converging microchannels are becoming an important part of microdevices.
In this work, an experimental study of liquid flow through converging microchannels is …