Investigation of the flow and heat transfer characteristics of helium gas in printed circuit heat exchangers with asymmetrical airfoil fins

CY Zhu, Y Guo, HQ Yang, B Ding, XY Duan - Applied Thermal Engineering, 2021 - Elsevier
This work presents a numerical investigation on the flow and heat transfer performance of
printed circuit heat exchangers with asymmetrical airfoil fins, and the influence of the …

Heat transfer and flow characteristics of varying curvature wavy microchannels

A Sharma, MK Khan - International Journal of Thermal Sciences, 2023 - Elsevier
This paper compares the thermohydraulic performance of varying curvature wavy
microchannels, namely elliptical-wavy and sinusoidal-wavy microchannels. The amplitude …

[HTML][HTML] Multi-objective optimization of printed circuit heat exchanger with airfoil fins based on the improved PSO-BP neural network and the NSGA-II algorithm

J Wang, L Zeng, K Yang - Nuclear Engineering and Technology, 2023 - Elsevier
The printed circuit heat exchanger (PCHE) with airfoil fins has the benefits of high
compactness, high efficiency and superior heat transfer performance. A novel multi-objective …

[HTML][HTML] Investigation of thermal and hydraulic performance of MEMS heat sinks with zig-zag microchannels

F Alnaimat, D Varghese, B Mathew - International Journal of Thermofluids, 2022 - Elsevier
This work carries out an investigation on the performance of a MEMS microchannel heatsink
with multiple zig-zag microchannels (MCHS zz). The heat sink is realized in silicon and uses …

Investigation on flow and heat transfer in rectangular cross-section sinusoidal channels

X Liu, Y Fu, J Wang, H Zhang, J Zhu - International Journal of Thermal …, 2022 - Elsevier
In this paper, the flow and heat transfer characteristics in a sinusoidal rectangular channel
are numerically probed. It's found that Dean vortex can be induced in sinusoidal rectangular …

Study of a toroidal-helical pipe as an innovative static mixer in laminar flows

C Zhang, AR Ferrell, K Nandakumar - Chemical Engineering Journal, 2019 - Elsevier
In this paper we present the design of a novel, passive mixer, to enhance mixing and
residence time distribution for promoting transport and reaction mechanisms in such …

Mixing enhancement using the aiding and opposing flow effects in curved micro channel

A Qamareen, MA Ansari, SS Alam - Chemical Engineering and Processing …, 2022 - Elsevier
Abstract Development of microfluidic devices requires precise control, quantitative
measurement and analysis of small volume of fluids. Micromixers are important microfluidic …

Heat transfer performance comparison of printed circuit heat exchangers with straight, zigzag and serpentine flow channels for waste heat recovery

JY Xie, CC Chueh, WH Chen… - International Journal of …, 2022 - Wiley Online Library
In the present study, a printed circuit heat exchanger (PCHE) is investigated numerically by
solving the steady‐state Navier–Stokes equations and energy equation. The PCHE is …

Impact of flow intermittency on heat transfer enhancement in serpentine channels

G Xiong, Z Wang - Physics of Fluids, 2024 - pubs.aip.org
With liquid cold plates being widely applied in industries such as battery energy storage
systems, advanced heat transfer enhancement technologies are urgently needed to …

Improved mass transfer performance of membrane units in a toroidal helical pipe—Reduction of concentration polarization by secondary flows

C Zhang, AN Okafor, H Malik, KDP Nigam… - … and Processing-Process …, 2022 - Elsevier
Abstract We evaluate a Toroidal Helical Pipe (THP) for the extent of process intensification
that it can offer over an equivalent length of straight pipe by providing continuous curvature …