Journal of Thermal and Fluid Science Vol. 1, Issue. 1, Aug 2020, pp 1 - 5 https://doi.org/10.26706/jtfs.1.1.20200701 1 Journal of Thermal and Fluid Science www.rame.org.in Sayali R. Bhalerao 1 sayali16sb@gmail.com R. R. Arakerimath 2 rrarakerimath@gmail.com 1,2 Department of Mechanical Engineering, G. H. Raisoni College of Engineering and Management, Pune, India Experimental Investigation of Micro fins for Heat Transfer Enhancement by using Copper, Aluminum and Aluminum with Paint Coating as a Micro fins Abstract— Computer applications have lately embraced micro technologies. Micro- technologies are now being used in many cooling systems, but the thermal efficiency of micro-fins under forced convective heat transfer conditions is still a little bit of an unknown. Despite previous research, micro finned array architecture cannot be optimally optimized based on Heat transfer coefficients and fine geometry correlations. This study first time integrates a variety of heat sink measurements to offer an overview of microfin behavior. Mass-specific heat transfer coefficient of penalties and efficiency of the fins. Results from an original experiment are combined in this process with the most recent data available in the literature. Microfins are always determined to be favorable in terms of material utilization. There may be advantages to using these light micro fins in applications that need a heat sink to have a minimum weight. In addition, the direction has a modest influence. Keywords— Heat transfer, Micro fin array, Reynolds numbers, forced convection, aluminum paint, micro-fin, heat transfer, heat sink, cpv, cooling, micro heat sinks. I. INTRODUCTION There are a variety of fins that are used to improve heat transfer from a structure to the fluid surrounding it. Numerous studies have studied the use of fins which are now being used for several different applications, such as telecommunications, manufacturing processes which electricity generation. Fins are known as passive coolers in natural convection, as they do not need feedback of mechanical or electrical power. Fins work by leveraging both a thermal gradient's natural convective motion of a fluid and the radiated heat transfer [1,6]. In general, passive coolers are considered more robust and less vulnerable to cooling failures [2,7] than active coolers, which still allow additional input energy to work. Industries and customers are also for manufacturing goods that are more effective, more lightweight and cheaper. Because of the improved efficiency obtained and the small space and resource needed relative to macro-scaled approaches, micro technologies have gained much attention in this context over the last decades. Micro-cooling systems, particularly micro-finned arrays under forced convection conditions, have been the subject of much research. The thermal efficiency of different finish forms has been studied in several laboratory studies.. Since of the larger surface area Research Article Published online – 17 Aug 2020 © 2020 RAME Publishers This is an open access article under the CC BY 4.0 International License https://creativecommons.org/licenses/by/4.0/ Cite this article – Sayali R. Bhalerao and R. R. Arakerimath, “Experimental investigation of micro fins for heat transfer enhancement by using copper, aluminum and aluminum with paint coating as a micro fins”, Journal of Thermal and Fluid Science, RAME Publishers, vol. 1, issue 1, pp. 1-5, 2020. https://doi.org/10.26706/jtfs.1.1.20200701