Improvements in miniaturization and boosting the thermal performance of energy
conservation systems call for innovative techniques to enhance heat transfer. Heat transfer …

This review presents impact of nanofluids in solar evacuated tube solar collectors (ETSCs).
Recent works on this type of solar collector are summarized. The first part depicts the …

Most important challenge in evacuated tube solar collector is lower performance in off-pick
hours of sunlight which leads to utilizing thermal energy storage. In present study, thermal …

Shell and helically coiled tube heat exchangers composed from curved tubes inside a shell
which are often preferred devices particularly in several applications like refrigeration, heat …

Along with the developing technologies, the need for energy has increased day by day and
negative environmental effects of fossil energy based systems increased the importance of …

Abstract Shell and Helically Coiled Tube Heat Exchangers (SHCTHEXs) are utilized in
energy conversion applications in industry and in various engineering systems. They are …

In present survey, a numerical study of fluid flow and heat transfer in a solar parabolic trough
collector containing turbulence-inducing elements on wall of collector has been performed …

This study attempts to improve the thermal characteristics of nano-encapsulated phase
change materials (NEPCMs) for heating and cooling applications. The PCM particles are …

In this paper, heat transfer enhancement in a double pipe heat exchanger with a twisted
tape as a swirl generator in both sides is investigated numerically. The three-dimensional …

In the present study, heat transfer and fluid flow in a corrugate coil tube with different lobe-
shaped cross-sections are evaluated numerically. Also, spiral twisted tape as turbulator with …