The scientific literature extensively mentions the use of a solar air heater (SAH) by utilizing
solar energy for heating purposes. The poor heat-transfer rate of an SAH with a flat plate is …

The use of solar air heaters (SAH) for the collection and effective utilization of solar
radiations for thermal applications is widely reported in the literature. The current article …

A solar air heater is a thermal system which uses artificial roughness in the form of repeated
ribs on the absorber plate to enhance the heat transfer rate. Forced convection heat transfer …

An effective method to increase the heat transfer rate of fluid flowing in a solar air heater duct
(SAHD) is to apply artificial roughness geometry over the absorber plate. The heat …

In this article, a numerical investigation is conducted to analyze the two-dimensional
incompressible Navier–Stokes flows through the artificially roughened solar air heater for …

This paper gives a review on performances of compact heat exchangers (CHEs), including
well-established devices, some relative newcomers to the market and also designs still …

In this present article an experimental study has been carried out on heat transfer and
friction factor in rectangular channel which is having multiple-arc shaped with gaps as …

An experimental investigation has been carried out for a range of system and operating
parameters in order to analyse the effect of artificial roughness on heat transfer and friction …

Application of protrusion rib roughnesses on the absorber plate of solar air heater (SAH)
duct can effectively enhance the heat transfer rate irrespective of pressure drop penalty. This …

Artificial roughness in form of ribs is convenient method for enhancement of heat transfer
coefficient in solar air heater. This paper presents experimental investigation of heat transfer …