CFD analysis of a luminescent solar concentrator-based photomicroreactor (LSC-PM) with feedforward control applied to the synthesis of chemicals under fluctuating light intensity

Gabriela X. de Oliveira, Jéssica O.B. Lira, Dario Cambié, Timothy Noël, Humberto G. Riella, Natan Padoin, Cíntia Soares (Corresponding author)

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

The luminescent solar concentrator-based photomicroreactor (LSC-PM) is a novel technology applied to the synthesis of chemicals coupling the advantages of sunlight modulation/concentration and microflow chemistry. In this work, a virtual model of this device, based on computational fluid dynamics (CFD), was implemented. The CFD model was developed considering a kinetic law that takes into account the effect of light intensity on the reaction performance for the [4 + 2] cycloaddition of 9,10-diphenylanthracene, used as benchmark. Then, a feedforward control algorithm was implemented and the system's performance under different functional dependences of light intensity through time was investigated, being able to maintain the conversion at the desired level despite the power fluctuations. Thus, the CFD model was independently validated considering the control framework associated to the experimental data. Finally, the effect of varying some geometrical features of the photomicroreactor was investigated, highlighting the capability of using a computational model for engineering purposes (design and optimization). Therefore, this work represents a contribution toward a fully predictable model for the investigation of the performance and for the design and optimization of LSC-PMs in a variety of chemical processes.

Original languageEnglish
Pages (from-to)626-634
Number of pages9
JournalChemical Engineering Research and Design
Volume153
DOIs
Publication statusPublished - 1 Jan 2020

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Solar concentrators
Feedforward control
Dynamic analysis
Computational fluid dynamics
Dynamic models
Cycloaddition
Modulation
Kinetics

Keywords

  • CFD
  • Control
  • LSC-PM
  • Photomicroreactor
  • Virtualization

Cite this

de Oliveira, Gabriela X. ; Lira, Jéssica O.B. ; Cambié, Dario ; Noël, Timothy ; Riella, Humberto G. ; Padoin, Natan ; Soares, Cíntia. / CFD analysis of a luminescent solar concentrator-based photomicroreactor (LSC-PM) with feedforward control applied to the synthesis of chemicals under fluctuating light intensity. In: Chemical Engineering Research and Design. 2020 ; Vol. 153. pp. 626-634.
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CFD analysis of a luminescent solar concentrator-based photomicroreactor (LSC-PM) with feedforward control applied to the synthesis of chemicals under fluctuating light intensity. / de Oliveira, Gabriela X.; Lira, Jéssica O.B.; Cambié, Dario; Noël, Timothy; Riella, Humberto G.; Padoin, Natan; Soares, Cíntia (Corresponding author).

In: Chemical Engineering Research and Design, Vol. 153, 01.01.2020, p. 626-634.

Research output: Contribution to journalArticleAcademicpeer-review

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