A solar air collector (SAC) is a main device of a solar-thermal air system, which can absorb
solar radiation and transfer the absorbed thermal energy to the air. This paper presents a …

Nanofluids and nanotechnology are very important in enhancing heat transfer due to the
thermal conductivity of their nanoparticles, which play a vital role in heat transfer …

Solar energy as a clean energy source is widely investigated to find out the effective
mechanisms to meet a large part of energy demand in the near future. In the present …

The performance of solar air heater of having a new design tubular absorber of adjacent
parallel tubes called tubular is investigated experimentally via energy, exergy, energy …

Solar air heaters (SAHs) are generally used in different applications because of their simple
structure, low setup cost, and also their higher energy conversion efficiency. In this study, a v …

Solar air heater is one of the important device for heating the air which is mainly used for
space heating, timber seasoning, crop/vegetable drying, etc.. To improve the performance of …

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 …

Over the past years, there has been a huge growth in the solar energy research,
development and progress, due to being a renewable, economical and non-polluting energy …

A flat plate solar air collector is a simple energy conversion system with relatively poor
performance due to low heat transfer between air and absorber. Passive heat transfer …

Solar thermal systems are generally utilized for providing sustainable and environmentally
friendly thermal energy that can be used in different applications. In the present study, a …