Passive enhanced heat transfer technology considerably influences helically coiled tube
(HCT) heat exchangers (HEs), which are typically used in nuclear power plants. Numerical …

The shape of helically coiled tube (HCT) has a profound effect on the heat transfer capability
of HCT heat exchangers (HEs). In this study, the thermo-hydraulic characteristics of two …

In the present paper, a numerical and experimental study has been performed to investigate
the heat transfer and pressure drop properties of Al 2 O 3 and SiO 2/Base oil nanofluid flow …

Three types of helical microtube coil namely circle, oval and elliptical are introduced and
evaluated both experimentally and numerically. Al 2 O 3-water, ZnO-water at three volume …

This study investigates cold thermal energy storage (CTES) using a helical coil heat
exchanger modified with bubble injection. One of the effective methods for increasing the …

In this study, experiments were conducted on helium flow within a compact helical tube heat
exchanger. High-temperature helium and deionized cooling water, flowing in opposite …

In this study attempts are made to clarify some hidden features of effectiveness concept (the
ratio of actual heat transfer to maximum possible heat transfer) of heat exchangers and …

Storage tanks based on helical coil heat exchangers are an integral part of solar water
heating systems and require optimal design configuration to achieve maximum heat transfer …

Helically coiled tube heat exchanger (HCHE) was extensively used to enhance the thermal
environment of deep underground space. The inefficiency of heat transfer in the mine …

In this paper, optimization on a two-tube helical heat exchanger with a fin is represented.
The spiral pipes heat exchanger which is made of the cooper is adopted for investigation …