... at the optimal location, and parab/circ—parabolic trough with circular receiver. Fig. 4 Geometric concentration ratio versus rim angle for a collector designed for 1 deg acceptance using the approximate solution. The solid line shows the rim ray and caustic regimes, and the dashed line shows the two...

...David K Bisset Heat collection performance simulations using the system advisor model (SAM) with typical meteorological year weather data from four geographic locations are used to investigate (a) the optimum overall tilt of piecewise-focusing (PWF) collectors, and (b) PWF collector performance...

... exchanger-evacuated tube-assisted drying system can decrease drying period and ensure good-quality dried banana slices. However, the system could be operated for moderate temperature drying purposes. Future work may be extended to enhance the performance using various types of collectors, phase change...

... ncluding W ind E nergy and B uilding E nergy C onservation . 07 08 2022 14 03 2023 14 03 2023 17 04 2023 reflector shell and tube thermal energy storage multiwall carbon nanotube copper oxide nanopowder thermal coating paraffin wax collector drying efficiency...

..., we have considered thermo-electric cooler (TEC) integrated with flexible PV module to enhance electrical power. As a result, an overall power can be increased in flexible PVT-TEC collector. A concept of series and parallel combination of flexible PVT-TEC collectors is proposed to optimize series (n...

..., it is required to understand the heat flux distribution characteristics under different conditions on the absorber surface. In the present study, in-depth simulations have been carried out to understand the effect of different geometrical indices on the heat flux distribution characteristics of a CPC collector...

.... The standard aperture area of solar collectors which is suitable for a single family is approximately 2 m 2 (also presented in Table 2 ). To determine the flat-shaped heat pipe’s evaporator surface area based on the aperture area of these solar collectors, its size is designed as 2000 × 1000 mm ( l b...

...Faisal Altwijri; S. A. Sherif; Ahmed M. Alshwairekh This paper reports on a parametric investigation of the thermal enhancement of a double-reflector parabolic trough collector when employing an in-line mixed V-shape (IMVS) ribbed absorber tube. Three heat transfer fluids (HTFs) are investigated...

...Faisal Altwijri; S. A. Sherif; Ahmed M. Alshwairekh In this article, a V-shaped ribbed tube is utilized to improve the thermal performance of a parabolic trough collector (PTC). Six different rib arrangements are employed, and a detailed analysis is presented. In addition, the effect of adopting...

...-hydraulic performance (THP) twisted V-shaped ribs absorber clean energy collector energy heat transfer measurement renewable solar testing 14 06 2022 22 08 2022 22 08 2022 30 09 2022 Contributed by the Solar Energy Division of ASME for publication in the J ournal...

...Pushpendra Singh; M. K. Gaur; G. N. Tiwari; Anil Kumar Thermal model is developed to predict the outlet water temperature with respect to time for water-in-tube type evacuated solar collector connected in series. Developed mathematical expression is validated for the single collector and two...

... with an increase in inclination angle till 45 deg and then decreases. Also, the study shows that thermal stratification in reservoir fluid is greatly influenced by circulation flowrate, flow momentum, collector outlet temperature, thermal acceleration, and buoyancy effect. In the present study, four different...

... supercritical CO 2 cycles recompression sCO 2 -BC recuperator solar energy clean energy collector energy renewable solar system thermal power thermodynamics With the growing trend of global demand for energy over the past decades as well as the increasing concern regarding climate change...

... On the one hand, artificial roughness on the collector’s absorber plate enhances the heat transfer by creating turbulence, and on the other hand, it raises pumping capacity. Therefore, the selection of roughness geometry is done by selecting the roughness parameters that maximize the heat transfer...

... treatment with a more compact footprint than a standard compound parabolic collector (CPC) solar photoreactor. Thus, it was possible to reduce mass and heat transfer limitations with a simple design by considering this photoreactor as a photocatalytic process intensifier. Email: otirado@utb.edu.co...

...David K. Bisset Piecewise-focusing (PWF) collectors replace the heliostat field and central tower receiver of Gen 2 concentrating solar thermal (CST) power plants. The PWF collector consists of a large base frame supporting a tiered array of reflectors that concentrate sunlight into a cavity...

... the potential of the application of CSP technology in the country and its particularities. Specifically, the current work examines a CSP plant with parabolic trough collector (PTC) technology and how this technology is affected in its performance depending on the location (inland or coastal...

... − T ref ) ] A col I t where A col and P c are the collector PV area and packing factor, respectively. The temperature dependent PV cell efficiency is calculated from the PV cell reference efficiency η 0 = 0.155 at reference operating temperature T ref = 25 °C...

...M. A. García-Rincón; J. J. Flores-Prieto; O. Montoya-Márquez This work presents a sensitivity analysis of the overall heat loss coefficient U L and the thermal efficiency η in low and medium temperature encapsulated flat plate solar collectors when controlling the output-input temperature...

... ncluding W ind E nergy and B uilding E nergy C onservation . 28 04 2021 17 09 2021 17 09 2021 21 10 2021 intermittency ratio tempering period moisture extraction rate energy efficiency exergy destruction payback period collector drying solar thermodynamics...