Optimal Thermal Management Using the Taguchi Method for LED Lighting Squared Heat Sink, Including Statistical Approaches

Ibrahim Saadouni (), Oumaima Douass, Bousselham Samoudi, Zouhour Araoud, Kamel Charrada, Adel Asselman and Laurent Canale ()
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Ibrahim Saadouni: Intelligent System Design Laboratory, Optics, Materials and Systems Team, Faculty of Sciences, Abdelmalek Essâadi University, M’ Hannech II, P.O. Box 2121, Tétouan 93030, Morocco
Oumaima Douass: Intelligent System Design Laboratory, Optics, Materials and Systems Team, Faculty of Sciences, Abdelmalek Essâadi University, M’ Hannech II, P.O. Box 2121, Tétouan 93030, Morocco
Bousselham Samoudi: Intelligent System Design Laboratory, Optics, Materials and Systems Team, Faculty of Sciences, Abdelmalek Essâadi University, M’ Hannech II, P.O. Box 2121, Tétouan 93030, Morocco
Zouhour Araoud: ENIM, Laboratoire EMIR, Université de Monastir, LR20ES08, 5000 Monastir, Tunisia
Kamel Charrada: IPEIM, Laboratoire EMIR, Université de Monastir, LR20ES08, 5000 Monastir, Tunisia
Adel Asselman: Intelligent System Design Laboratory, Optics, Materials and Systems Team, Faculty of Sciences, Abdelmalek Essâadi University, M’ Hannech II, P.O. Box 2121, Tétouan 93030, Morocco
Laurent Canale: French National Center of Scientific Research (CNRS), LAPLACE Laboratory, UMR 5213, 31062 Toulouse, France

Sustainability, 2025, vol. 17, issue 5, 1-28

Abstract: The global development of LED lighting in all applications for both public and indoor lighting establishes a very important lever for reducing the carbon impact by significantly reducing energy consumption. Smart lighting will therefore constitute an essential lever in the smart city of tomorrow. The latter is more sustainable and less energy-intensive than other light sources, contributing towards the Sustainable Development Goals set forth by the United Nations (SDGs 7 and 11). With its ease of integration, ergonomics, lightness, and high quality of light, this innovative light source has two major qualities: its energy efficiency and its long service life. However, poor thermal management has catastrophic effects on these two essential criteria. This necessarily requires optimizing thermal management and heat sinks. In some cases, thermal models and simulations can lead to considerable calculation times because they implement many parameters. This work therefore aims to reduce the number of these simulations by applying the method of experimental designs (Taguchi) and analysis of variance (ANOVA) to simulations intended to optimize the dissipation of LED luminaires. We applied the method to a simple finned heat sink model for a unit input power and then to a concrete case of a high-power LED. The control parameters and their respective contributions in the proposed model were studied. The ANOVA results corroborated the conclusions of the Taguchi method, demonstrating a strong agreement between these analytical methods, in which the temperature was adjusted by identifying optimal combinations of parameters. The fields of application relevant to this study include both indoor lighting (false ceiling) and confined spaces with severe sealing constraints such as car headlights or the optical blocks of urban luminaires.

Keywords: light-emitting diode; thermal management; Taguchi method; design of experiment; analysis of variance; sustainability (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2025
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