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This investigation focuses on the design and implementation of a solar parabolic trough concentrator, including geometric parameters and optical characteristics, as well as on its efficiency in degrading wastewater containing specific industrial dyes and emerging pharmaceutical contaminants.
The geometric concentration ratio (GCR) for a parabolic trough collector refers to the ratio between the area that intercepts the solar radiation at the collector aperture (Aa) and the area that receives the sunlight (Arec) (Rodríguez et al. 2004; Spasiano et al. 2015).
Geometry of a circular trough concentrator coupled to a flat (planar) receiver, showing the main parameters required to determine the achievable concentration ratio Cg = ai / ao – 1. Consider a ray incident on any point P of the mirror.
When designing a concentrating solar collector, one of the first steps is to size the concentrator and receiver. This sizing is guided by the achievable geometric concentration ratio Cg – defined as the ratio of the collecting area Ai of the concentrator to the absorbing area of the receiver Ao – for a given concentrator and receiver geometry.
Such concentration ratio formulas exist for several common geometries, e.g. parabolic troughs with flat and circular receivers ( Rabl, 1976 ), asymmetric parabolic troughs ( Schmitz et al., 2015 ), and compound parabolic concentrators ( Rabl, 1985, Rabl, 1976, Winston et al., 2005 ).
One regime relies on the caustics while the other relies on the rays from the rim. The circle can match the concentration of the parabola for large acceptance angles. We present a simple analytical formula for the geometric concentration ratio of a circular trough optical concentrator coupled to a flat (planar) receiver.
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In order to improve the comprehensive utilization efficiency of solar energy, a V-trough concentrating and splitting agrivoltaic hybrid system (VCSPVA system) is proposed in …
Live ChatThis paper presents results of a numerical study on the thermal and thermodynamic performance of a high concentration ratio parabolic trough solar collector using …
Live ChatThe results of an experimental study show that the concentration ratio of this new configuration (referred to as OVSC) is 40%–60% higher than its corresponding conventional V-trough solar...
Live ChatThe rate of the Local Concentration Ratio (LCR) on the receiver tube and optical efficiency are two main features in geometric optimization of the parabolic trough solar …
Live ChatWhen optimizing a parabolic trough solar collector, one of the essential parameters of the receiver is the concentration ratio (CR), defined as the ratio of the area of the light collection region to the location of the light …
Live Chattrough and CPC concentrators are investigated, using COMSOL Multiphysics computational tool and experimentally, with a target of increasing the efficiency of solarcells employed in BIPVs.
Live ChatThermal and thermodynamic benchmarking of liquid heat transfer fluids in a high concentration ratio parabolic trough solar collector system. Author links open overlay panel …
Live Chatsolar cells with a non-concentrating p-Si solar panel. Results have showed that CPC with p-Si solar cells produced 62.5% higher than a non- concentrating p-Si solar panel. Baig et al. [8] …
Live ChatWhy is the concentration ratio an important metric of a solar concentrator? Simply put, the concentration ratio is an important ingredient in optimizing the efficiency of a concentrated …
Live ChatUsing low concentration parabolic trough for solar energy collection, generally using water as heat transfer fluid, has been studied extensively. For instance, Coccia et al. [37] …
Live Chatfreeform reflector with solar panel in slope configuration. The free-form surface is generated by ... [2,3], which although provides lower solar concentration ratio, but can be simpler to …
Live ChatThis paper presents a novel design of V-trough Solar Concentrator (VSC) for low concentrator photovoltaic (CPV) applications. The conventional VSC design comprises of two flat reflectors …
Live Chatcounterparts, but a lower concentration ratio (4at full, 3.6at half and 2.7at 50mm height) due to an equivalent reduction of the inlet aperture size. The V-trough had a higher optical concentration …
Live ChatThe developmental tendency of parabolic trough collector (PTC) is larger aperture area for energy harvest and novel optical design for higher solar concentration.
Live ChatThe current mainstream methods of solar concentrating technologies applied in commercial CSP plants are illustrated in Fig. 1 b. These methods encompass parabolic trough …
Live ChatExperimental performance analysis of low concentration ratio solar parabolic trough collectors with nanofluids in winter conditions Author links open overlay panel Mirza …
Live ChatFor a low concentration ratio, a few adjustments in a whole day are sufficient, which can be operated manually; while for a high concentration ratio, a continuous adjustment …
Live ChatWhen designing a concentrating solar collector, one of the first steps is to size the concentrator and receiver. This sizing is guided by the achievable geometric concentration …
Live ChatThe thermal oil-based heat transfer fluids (HTFs) used in parabolic trough solar collector (PTSC) systems suffer from degradation at temperatures above 400 °C, limiting the …
Live Chat2 · Parabolic solar trough collector (PTC) is a prospective and viable solution to avail solar energy. This investigation has done a thorough numerical examina. ... thermal and …
Live ChatFor optimizing the parabolic trough solar collector, three design variables are varied: the receiver diameter, the collector aperture width, and the rim angle. ... "Optimum concentration ratio for a …
Live ChatThe concentration ratio is a very important factor in solar concentrators as it affects the dimensions and the geometry of the concentrator and thus affects the efficiency, but …
Live ChatTheoretically, any solar image generated by concentrating systems has a particular size, which depends on the geometry of the concentrating system and the …
Live ChatThe geometric concentration ratio (GCR) for a parabolic trough collector refers to the ratio between the area that intercepts the solar radiation at the collector aperture (A a) and …
Live ChatWe present a simple analytical formula for the geometric concentration ratio of a circular trough optical concentrator coupled to a flat (planar) receiver. The receiver is sized to …
Live ChatIn this simulation, a V-trough concentrator with four geometric concentration ratios (1.5x, 2x, 2.5x, and 3x) and three reflective materials (ideal reflector R100%, anodized …
Live ChatParabolic Trough Solar Concentrators (PTSCs) exhibit significant efficiency improvements through advanced designs and hybrid systems. Nallaperumal et al. (2024) enhanced thermal (64.4 %) …
Live ChatA synthetic heat transfer oil is pumped through the trough array and heated by concentrated solar radiation as it circulates through the receiver pipes. ... 1.2 m wide …
Live ChatA new configuration of V-trough solar concentrator is proposed, constructed and investigated in an attempt to improve the concentration ratio of the V-trough concentrators.
Live ChatA new configuration of V-trough solar concentrator is proposed, constructed and investigated in an attempt to improve the concentration ratio of the V-trough concentrators.
Live ChatIn this paper, the optimum thermal and thermodynamic operating conditions of a parabolic trough solar energy system working with copper-Therminol®VP-1, silver …
Live ChatParabolic geometry is the basis for such concentrating solar power (CSP) technologies as troughs or dishes. Parabolic trough is also considered one of the most mature and most commercially proven technologies in the utility scale …
Live ChatConcentrating Ratio achievable: Concentration ratio achievable can be between 1 (limiting value for Flat Plate Collector) to 10,000 (Parabolic Dish Collector). Concentration ratio also …
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