Thermal and fluid dynamic characteristics of flow through triangular cross-sectional duct: A review

R Kumar, A Kumar - Renewable and Sustainable Energy Reviews, 2016 - Elsevier
Duct geometry is one of the important factors which influence the heat transfer in laminar
and turbulent flow conditions. Along with heat transfer, pumping power required for fluid flow …

Design, additive manufacturing, and performance of heat exchanger with a novel flow-path architecture

AS Sabau, A Bejan, D Brownell, K Gluesenkamp… - Applied Thermal …, 2020 - Elsevier
A novel heat exchanger architecture was investigated, in which each fluid pathway
transitions through the heat exchanger from tube-flow to shell-flow, or from shell-flow to tube …

Effect of rounded corners on heat transfer and fluid flow through triangular duct

R Kumar, A Kumar, V Goel - Journal of Heat …, 2018 - asmedigitalcollection.asme.org
Turbulent flow heat transfer and friction penalty in triangular cross-sectional duct is studied
in the present paper. The sharp corners of the duct are modified by converting it into circular …

Experimental and computational fluid dynamics study on fluid flow and heat transfer in triangular passage solar air heater of different configurations

R Kumar, Varun, A Kumar - Journal of Solar …, 2017 - asmedigitalcollection.asme.org
The fluid flow characteristics and heat transfer in triangular duct solar air heater (SAH) have
been studied experimentally and numerically for Reynolds number range from 4000 to …

Numerical investigation on fully-developed heat transfer augmentation and friction factor with dimple shaped intrusion and different radius of curvatures on triangular …

LBB Raju, GRK Sastry, SK Gugulothu, KK Reddy… - Applied Thermal …, 2023 - Elsevier
The heat transfer phenomenon is moderate in the case of triangular ducts due to the
presence of sharp corners, which causes stagnant flow in the corners. Thus, this study …

Simulation approach on turbulent thermal performance factor of Al2O3-Cu/water hybrid nanofluid in circular and non-circular ducts

IJK Wong, NTA Tiong - SN Applied Sciences, 2021 - Springer
This paper presents the numerical study of thermal performance factor of Al 2 O 3-Cu/water
hybrid nanofluid in circular and non-circular ducts (square and rectangular). Turbulent …

Effect of apex angle variation on thermal and hydraulic performance of roughened triangular duct

V Goel, P Guleria, R Kumar - … Communications in Heat and Mass Transfer, 2017 - Elsevier
The experiments were performed to analyze the influence of apex angle on thermal and
hydraulic characteristics of triangular duct for Reynolds number range from 2000 to 16,000 …

Effect of dimple intrusions and curvature radius of rounded corner triangular duct on fluid flow and heat transfer

R Kumar, S Khurana, A Kumar… - Journal of …, 2019 - asmedigitalcollection.asme.org
The sharp corner significantly affects the flow through triangular duct. In the corners, flow
gets stagnant, which results in poor heat transfer. Therefore, in the present study, one corner …

Parametric investigation of a rectangular microchannel utilizing the internal longitudinal fins to enhance its hydraulic and thermal characteristics

M Ahmadian-Elmi, E Rasouli, K Vafai… - … Communications in Heat …, 2022 - Elsevier
A comprehensive study on the hydraulic and thermal behaviors of a microchannel with
internal longitudinal fins under an H2 boundary condition has been done, and it has been …

Viscous heating of a laminar flow in the thermal entrance region of a rectangular channel with rounded corners and uniform wall temperature

N Suzzi, M Lorenzini - International Journal of Thermal Sciences, 2019 - Elsevier
The numerical solution of Graetz-Brinkman problem is obtained for channels having
rectangular cross section with rounded corners, under T boundary condition applied on the …