Heat transfer augmentation in a wedge-ribbed channel using winglet vortex generators

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Heat transfer and pressure drop in a channel with multiple 60° V-baffles ☆ (2010, unknown): “[10] and Promvonge et al.”
Combination of nanofluid and inserts for heat transfer enhancement (2018, background): “Vortex generators with winglets are more suitable for improvement in heat transfer in modern thermal systems as they can create longitudinal vortices and cause disruption of the main flow field with lower values of the pressure drop [21, 22].”
Thermal behavior in solar air heater channel fitted with combined rib and delta-winglet ☆ (2011, background): “[28] also studied the influence of combined two winglet pairs and inline/staggered wedge ribs on heat transfer rate in an AR=10 channel and found that the staggered wedge rib pointing downstream provides better thermal performance.”
Heat transfer behaviors in a solar air heater channel with multiple V-baffle vortex generators (2014, result): “The present TEF result is found to be much better than that using the general ribs (or thick rib) as reported in previous investigations (Promvonge and Thianpong, 2008; Thianpong et al., 2009; Chompookham et al., 2010; Promvonge et al., 2011), it can induce co-vortex flows along the test channel, le”