Heat transfer augmentation in solar heat exchanger duct with louver-punched V-baffles

P Promvonge, P Promthaisong, S Skullong - Solar Energy, 2022 - Elsevier
A vortex generator's ability to create secondary flow and accelerate rapid fluid mixing allows
it to effectively improve thermal performance in a solar heat exchanger duct. A newly created …

Experimental and numerical thermal performance in solar receiver heat exchanger with trapezoidal louvered winglet and wavy groove

P Promvonge, P Promthaisong, S Skullong - Solar Energy, 2022 - Elsevier
A numerical and experimental study on the thermal–hydraulic performance of a solar
receiver heat exchanger (SRH) equipped with a newly designed longitudinal-vortex …

A study on heat transfer enhancement for solar air heaters with ripple surface

Z Dong, P Liu, H **ao, Z Liu, W Liu - Renewable Energy, 2021 - Elsevier
Flat-Plate solar air heater (SAH) is utilized widely to relieve the fossil energy crisis
nowadays. With the aim to improve the efficiency of the devices, heat transfer and flow …

Thermal performance in solar air heater with perforated-winglet-type vortex generator

S Skullong, P Promthaisong, P Promvonge… - Solar Energy, 2018 - Elsevier
An experimental and numerical study of turbulent convective heat transfer in a solar air
heater duct with winglet-type vortex generators (WVGs) placed on the absorber plate is …

Thermo-hydraulic performance in heat exchanger tube with V-shaped winglet vortex generator

P Promvonge, S Skullong - Applied Thermal Engineering, 2020 - Elsevier
This article presents the influence of V-shaped winglet vortex generators (V-WVGs) inserted
into a constant heat-fluxed tube on thermal characteristics. In the present experiment, two V …

Exergetic investigation and optimization of arc shaped rib roughened solar air heater integrated with fins and baffles

PT Saravanakumar, D Somasundaram… - Applied Thermal …, 2020 - Elsevier
Present work focuses on exergetic performance and parameter optimization of arc shaped
rib roughened solar air heater integrated with fins and baffles. Theoretical analysis based on …

Experimental investigation on performance of a double pass artificial roughened solar air heater duct having roughness elements of the combination of discrete multi …

RK Ravi, RP Saini - Energy, 2016 - Elsevier
Double pass solar air heater (DPSAH) provided with roughness on each side of the
absorbing surface is considered as a significant and interesting design advancement that …

Experimental and numerical heat transfer study of turbulent tube flow through discrete V-winglets

P Promvonge, P Promthaisong, S Skullong - International Journal of Heat …, 2020 - Elsevier
The article presents an experimental and numerical investigation on heat transfer
augmentation in a tubular heat exchanger inserted with discrete-V-winglet (DW) tape. Air …

Thermal effectiveness enhancement in heat exchange tube using louver-punched V-baffles

P Promvonge, P Promthaisong, S Skullong… - International Journal of …, 2024 - Elsevier
An efficient technique for reducing frictional loss by punching holes on the surface of vortex
generators has been extensively researched, particularly in the form of louver-punched …

Heat transfer augmentation in a solar air heater channel with combined winglets and wavy grooves on absorber plate

S Skullong, P Promvonge, C Thianpong… - Applied Thermal …, 2017 - Elsevier
An investigation on heat transfer characteristics in a solar air heater channel using wavy
grooves incorporated with pairs of trapezoidal-winglets (TW) placed on the absorber plate …