Direct absorption solar collectors (DASCs) typically achieve high efficiency due to the volumetric heat absorption process facilitated by the working fluids. In this study, carbon …
In the last two decades, metallic particles of nano sizes (~10 −9 m) have been tested …
Direct absorption solar collectors (DASCs) typically achieve high efficiency due to the volumetric heat absorption process facilitated by the working fluids. In this study, carbon black (CB) nanofluids were utilized as the working …
This review, on the 10-year anniversary of the first appearance of nanofluid …
This review article focuses on the impact of working fluid characteristics, geometrical parameters and the operating coefficients in thermal efficiencies of direct …
consumption for one year [3,4]. The challenges for solar energy lie in the effective absorption, conversion, and storage of solar radiation, which are significantly affected by the working …
One of the methods to harvest the solar energy is through the solar thermal …
solar energy directly within the fluid volume, the so-called direct absorption solar collector (DASC), becomes very attractive [9–11]. The solar energy conversion efficiency could be significantly …
This review, on the 10-year anniversary of the first appearance of nanofluid-based direct absorption solar thermal collectors, provides a forward-looking perspective on the …
One of the newest types of low-temperature collectors, which used for …
Direct absorption solar collectors (DASCs) based on nanofluids offer a promising solution for achieving the dual goals of solar energy utilization: maximizing solar absorption …
Direct absorption solar collector efficiency was studied by Yu et al. using CuO/Ag composite NPs. Mallah et al. investigated that the dispersion stability of graphene …
A two-wavelength band model of a direct-absorption solar collector is …
One of the newest types of solar collectors is direct absorption solar collector in which solar radiation is absorbed through the working fluid, unlike other collectors that use the …
A two-wavelength band model of a direct-absorption solar collector is established. • All radiative effects including emission, scattering, and absorption are considered. • The …
Figure 1. (A) Surface-based absorption solar collector with (B) the ß ow of both heat and solar light in a typical liquid ß at plate collector. (C) Direct (volume-based) absorption solar collector …
Direct absorption solar collectors (DASCs) based on nanofluids offer a …
In this study, different solar collector technologies such as Parabolic Trough Concentrator PTC …
In the last two decades, metallic particles of nano sizes (~10 −9 m) have been tested profoundly in volumetric absorption solar collectors (VASC) due to their excellent optical properties and …
This review article focuses on the impact of working fluid characteristics, …
One of the newest types of low-temperature collectors, which used for providing the required thermal energy for the buildings, is direct absorption solar collector (DASC), in …
Designations: 1 - solar collector - regenerator; 2, 3 - input and output of the absorbent solution; …
Equation represents L as the collector length, ʎ the wavelength of nanofluid, and I 0 the heat flux coming to the solar collector.A small-scale test setup was created to determine …
In this study, different solar collector technologies such as Parabolic Trough Concentrator PTC and Linear Fresnel Collector LFC were used to power solar absorption system. The effect of …
Solar collectors are energy harvesting devices that convert solar radiation into heat energy and transport the ... of the non-concentrating system is a flat plate solar collector …
Owing to their superior optical and thermal properties over conventional fluids, nanofluids represent an innovative approach for use as working fluids in direct-absorption …
Designations: 1 - solar collector - regenerator; 2, 3 - input and output of the absorbent solution; 4, 5 - air inlet and outlet. In the diagram according to Figure 1B, a system with flat air solar …
Figure 1 depicts the solar single-effect absorption refrigeration system, which consists of three main components: the flat plate solar collector, the storage tank, and the …
One of the methods to harvest the solar energy is through the solar thermal collector, which utilizes heat transfer fluid to capture the solar radiation. In this paper, a recent …
In order to overcome the limitations of traditional solar collectors, direct absorption solar collectors (DASC) [[10], [11], [12]] have been proposed to improve the solar …