Articles with "compound parabolic" as a keyword



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Optical performance analysis and design optimisation of multisectioned compound parabolic concentrators for photovoltaics application

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Published in 2018 at "International Journal of Energy Research"

DOI: 10.1002/er.4271

Abstract: This study proposes the use of flat reflector sections in the compound parabolic concentrator (CPC) instead of the parabolic shape. Flat reflector sections create more uniform energy flux distributions on the solar module, thus improving… read more here.

Keywords: performance analysis; optical performance; reflector sections; compound parabolic ... See more keywords
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Design and Development of a Lens-walled Compound Parabolic Concentrator-A Review

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Published in 2018 at "Journal of Thermal Science"

DOI: 10.1007/s11630-019-1083-3

Abstract: Compound parabolic concentrator (CPC) is a representative among solar concentrators, one of whose disadvantage is that the concentration ratio limits the half acceptance angle. Based on this, researchers put forward a novel structure, named the… read more here.

Keywords: walled cpc; parabolic concentrator; concentrator; compound parabolic ... See more keywords
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Exergy Analyses of Fabricated Compound Parabolic Solar Collector with Evacuated Tubes at Different Operating Conditions: Indore (India)

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Published in 2019 at "Journal of The Institution of Engineers (India): Series C"

DOI: 10.1007/s40032-018-0455-5

Abstract: In this research work, compound parabolic solar collector (CPC) with evacuated tubes is fabricated. Main benefit of CPC is that there is no requirement of solar tracking system. With fabricated CPC; outlet temperatures of flowing… read more here.

Keywords: compound parabolic; parabolic solar; evacuated tubes; solar collector ... See more keywords
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Investigation of a nanofluid-based compound parabolic trough solar collector under laminar flow conditions

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Published in 2019 at "Applied Thermal Engineering"

DOI: 10.1016/j.applthermaleng.2018.12.077

Abstract: Abstract The objective of this work is the investigation of a nanofluid-based compound parabolic collector under laminar flow conditions. The examined nanofluid is Syltherm 800/CuO with 5% volumetric nanoparticle concentration and the examined temperature range… read more here.

Keywords: nanofluid based; compound parabolic; investigation nanofluid; flow conditions ... See more keywords
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Numerical modeling of heat losses in a line focusing solar compound parabolic concentrator with planar absorber

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Published in 2020 at "Applied Thermal Engineering"

DOI: 10.1016/j.applthermaleng.2020.115938

Abstract: Abstract In this work, a three-dimensional steady state thermal model is developed for a compound parabolic concentrator of 2 × concentration considering the effects of surface radiation and wall conduction. The performance of the compound… read more here.

Keywords: heat losses; compound parabolic; parabolic concentrator; concentrator ... See more keywords
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Investigation on structural and optical characteristics for an improved compound parabolic concentrator based on cylindrical absorber

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Published in 2021 at "Energy"

DOI: 10.1016/j.energy.2020.119683

Abstract: Abstract In order to achieve the separation of absorber and reflector for compound parabolic concentrator (CPC) and solve effectively the drawback of resulting gap loss, an attempt to improve the structure and optical properties of… read more here.

Keywords: improved cpc; cpc; cylindrical absorber; parabolic concentrator ... See more keywords
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Design and analysis of a novel multi-sectioned compound parabolic concentrator with multi-objective genetic algorithm

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Published in 2021 at "Energy"

DOI: 10.1016/j.energy.2021.120216

Abstract: Abstract Currently, the high curvature curved reflective structure of standard compound parabolic concentrator (S-CPC) is expensive to manufacture, and the energy distribution on its absorber is extremely nonuniform. To solve these two problems simultaneously, a… read more here.

Keywords: compound parabolic; design; energy; parabolic concentrator ... See more keywords
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Optimization of receiver height in compound parabolic collector by optical analysis and experimental method

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Published in 2017 at "Optik"

DOI: 10.1016/j.ijleo.2017.12.110

Abstract: Abstract The paper presents the method of finding an optimized location of a tubular receiver for the compound parabolic collector (CPC) with a low acceptance angle of 6°. Due to low acceptance angle, the reflected… read more here.

Keywords: parabolic collector; analysis; method; compound parabolic ... See more keywords
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Optimization design and performance analysis of a novel asymmetric compound parabolic concentrator with rotation angle for building application

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Published in 2017 at "Solar Energy"

DOI: 10.1016/j.solener.2017.10.029

Abstract: Abstract A novel asymmetric lens-walled compound parabolic concentrator (ALCPC) for integration with the building south wall was proposed and manufactured. Besides of the asymmetric lens-walled structure, the special rotation angle at the bottom is also… read more here.

Keywords: rotation angle; parabolic concentrator; novel asymmetric; compound parabolic ... See more keywords
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Order-of-magnitude increase in laser-target coupling at near-relativistic intensities using compound parabolic concentrators.

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Published in 2021 at "Physical review. E"

DOI: 10.1103/physreve.103.l031201

Abstract: Achieving a high conversion efficiency into relativistic electrons is central to short-pulse laser application and fundamentally relies on creating interaction regions with intensities ≫10^{18}W/cm^{2}. Small focal length optics are typically employed to achieve this goal;… read more here.

Keywords: compound parabolic; parabolic concentrators; order magnitude; laser ... See more keywords
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Thermodynamics and the segmented compound parabolic concentrator

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Published in 2017 at "Journal of Photonics for Energy"

DOI: 10.1117/1.jpe.7.028002

Abstract: Abstract. Compound parabolic concentrator (CPC) reflector profiles are complex and can be difficult to manufacture using traditional methods. Computer numeric control machines, however, can approximate complex profiles by bending a series of small flat segments.… read more here.

Keywords: thermodynamics segmented; thermodynamics; parabolic concentrator; compound parabolic ... See more keywords