The objective of this paper is to review the different techniques, which have been used to
enhance the heat transfer rate in heat exchanger devices such as solar air heater, cooling …

For various heating applications like space heating, timber seasoning, food drying, HVAC
processes, water desalination processes, etc., where a low to medium heating source is …

Although obstacles on the absorber surface of a solar air heater (SAH) can increase the
thermal efficiency by creating turbulent conditions, they might reduce the system's exergy …

The current studies on the thermohydraulic performance enhancement of solar air heaters
are carefully reviewed regarding increasing surface area by double-pass solar air heaters …

The influence of the attack angle (α a) of the perforated baffles on thermohydraulic
performance η p of a solar thermal collector (STC) has been investigated experimentally …

In the present work experimental investigation on the heat transfer and friction
characteristics of a solar air heater duct roughened with wavy-up delta winglet vortex …

Despite the various techniques used in strengthening the Solar Air Heater (SAH) through
extended surfaces (obstacles) on the absorber plate, its thermal performance remains far …

This paper presents a comprehensive literature review of the various heat transfer
techniques used to increase the performance of double-pass solar air heaters (SAHs). The …

This numerical study aims to determine the exergy analysis for a modified solar heat
collector (SHC) having wavy delta winglets as turbulent promoters. These winglets disrupt …

In the present work, an experimental investigation on surface modified solar air heater was
carried out to study the rate of heat transfer and friction characteristics under the laminar flow …