Browse > Article
http://dx.doi.org/10.5762/KAIS.2019.20.1.170

Increase heat dissipation efficiency of Al plate according to surface roughness treatment by sandpaper or sandblast  

Lee, Dong-Hee (Materials Science and Engineering, Chungnam National University)
Lee, Jong-Hyeon (Materials Science and Engineering, Chungnam National University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.20, no.1, 2019 , pp. 170-178 More about this Journal
Abstract
Recently, as the interest in energy savings has increased, there has been increasing use of LED lighting, which is an eco-friendly device that replaces high energy consuming fluorescent lamps and incandescent lamps. In the case of a high output LED, however, the life time is shortened due to deterioration caused by heat generation. As a solution to this problem, this paper evaluated the LED life extension effect by increasing the convective heat transfer coefficient of the heat sink surface for LED packaging. A roughing process was carried out using sandpaper and sand blasting. The changes in surface roughness and surface area after each surface treatment process were evaluated quantitatively and the convective heat transfer coefficient was measured. When sandblasting and sandpaper were used to roughen the aluminum surface, a higher convection heat transfer coefficient was obtained compared to the untreated case, and a high heat dissipation efficiency of 82.76% was obtained in the sandblast treatment. Therefore, it is expected that the application of heat dissipation to the heat sink will extend the lifetime of the LED significantly and economically by increasing the heat efficiency.
Keywords
Heat dissipation efficiency; Heat transfer coefficient; LED; Roughness of surface treatment; Sand blast;
Citations & Related Records
연도 인용수 순위
  • Reference
1 You jin Ho, Choi Won Seok, Jang ByungHwa, A study on flow boiling heat transfer enhancement of graphene coating surface, Vol.2013, No.12, pp. 700-703, 2013.
2 Hoing Lae Lee, Sung Min Ha, Yungjae Yoo, Sung-Goo Lee, Current trends in thermally conductive polymer composites, the Polymer Society of Korea, Vol.24, No.1, pp. 30-37, 2013.
3 Jae ho Kim, Graffin Industrialization Breakthrough-plasma, vaccum magazine, 2017, http://www.kvs.or.kr/file/story/2017_06_08.pdf, 2018.09.14.
4 J. Nikuradse, National Advisory committee for aeronautics, pp. 1-62, 1950.11.
5 D. W SAVAGE, J. E MYERS, The effect of Artificial Surface Roughness on Heat and Momentum Transfer, Vol.9, No.5, pp. 694-701, 1963. DOI: http://doi.org/10.1002/aic.690090523   DOI
6 Ventola L, Robotti F, Dialameh M, Calignano F, Manfredi D, Chiavazzo E, etal. Rough surfaces with enhanced heat transfer for electronics cooling by direct metal laser sintering. International Journal of Heat and Mass Transfer, Vol 75, pp. 58-74, 2014. DOI: http://doi.org/10.1016/j.ijheatmasstransfer.2014.03.037   DOI
7 Ventola L, Chiavazzo E, Calignano F, Manfredi D, Asinari P, editors. Heat transfer enhancement by finned heat sinks with micro-structured roughness. Journal of Physics: Conference Series; Vol.494, No.494, 2014. DOI: http://doi.org/10.1088/1742-6596/494/1/012009
8 Min-Sik Lee, Hyun-Ho Kim, Chung-Gil Kang, Effect of surface Roughness of Al5052/CFRP Composites on the Adhesion and Mechnical properties, Korean Society for Composite Materials, Vol.26, No.5, pp. 295-302, 2013. DOI: http://doi.org/10.7234/composres.2013.26.5.295
9 Ventola L, Robotti F, Dialameh M, Calignano F, Manfredi D, Chiavazzo E, et al. Rough surfaces with enhanced heat transfer for electronics cooling by direct metal laser sintering. International Journal of Heat and Mass Transfer. Vol .75, pp. 58-74, 2014. DOI: https://doi.org/10.1016/j.ijheatmasstransfer.2014.03.037   DOI
10 Duclos SJ, Jansma J, Bortscheller JC, Wojnarowski RJ. Phosphor coating with self-adjusting distance from LED chip. Google Patents; 2003.
11 Eui Keun-Ahn, Hyeok-min Lee, Hyun-soo Lee, Hyun-soo Lee, Kwang- Sup Kim, Development of automotive Bi-Function LED Headlamp; Vol.2010, No.5, pp. 1428-1433, 2010.
12 Seong-Yong Yang, Chin-Woo Yi, A Study on Reliability Analysis for Reliability Testing & Field Degradation Data of LED Lighting Vol.25, No.12, pp. 54-59, 2011.
13 Duck Young Moon, A study of the heat radiation performance for COB LED on the heatsink structure, Korea Industrial Technology University Industrial Technology. Business graduate school, 2016.
14 Soon Ho Hwang, Young Lim Lee, Study on Thermal Performance of Multiple LED Packages with Heat Pipes, Vol. 35, No.6, pp. 569-575, 2011.
15 Choi B-M, Hong S-H, Jeong Y-B, Kim K-B, Lee S-G, Park S-G. Improved Thermal Resistance of an LED Package Interfaced with an Epoxy Composite of Diamond Powder Suspended in H 2 O 2. Korean Journal of Optics and Photonics, Vol.25, No.4, pp. 221-224, 2014. DOI: http://doi.org/10.3807/KJOP.2014.25.4.221   DOI
16 Woo-Jin Seo, Young- Moon Yu, Hee-Lack Choi, Design and Optimization of Heat Dissipation Engine with 200W COB LED, Korea Institute of Illuminating and Electrical Installation, Vol.32, No.2, pp 38-46, 2018. DOI: http://doi.org/10.5207/JIEIE.2018.32.2.038
17 Soon Ho Hwang, Young Lim Lee, Study on thermal performance of multiple LED Packages with heat pipes, The Korean Society of Mechanical Enginerrs, Vol.35, No.6, pp. 569-575, 2011. DOI: http://doi.org/10.3795/KSME-B.2011.35.6.569   DOI
18 Hyeon sang jeong, Analysis of market trends and commercialization issues of heat dissipation materials and heat-bondingtechnology, KISTI, 2013, http://gift.kisti.re.kr/announce/analysis-report/2014/miriran_14054.pdf, 2018.09.14.
19 Laouamri H, Giljean S, Arnold G, Kolli M, Bouaouadja N, Tuilier M-H. Roughness influence on the optical properties and scratch behavior of acrylic coating deposited on sandblasted glass. Progress in Organic Coatings, Elsevier, Vol.101, pp. 400-406, 2016. DOI: https://doi.org/10.1016/j.porgcoat.2016.09.014   DOI
20 Ventola L, Chiavazzo E, Calignano F, Manfredi D, Asinari P, editors. Heat transfer enhancement by finned heat sinks with micro-structured roughness. Journal of Physics: Conference Series Vol.494, 2014. DOI: https://doi.org/10.1088/1742-6596/494/1/012009
21 SLATINEANU L, POTARNICHE S, COTEATA M, GRIGORAS I, GHERMAN L, NEGOESCU F. Surface roughness at aluminium parts sand blasting. Proceedings in Manufacturing Systems. 2, Proceeding in Manufacturing systems, Vol.6, No.2, 2011. DOI: https://doi.org/10.1016/j.porgcoat.2016.09.014
22 Du-rye Oh, Jeong-Jae Kim, Jin-seon, Gook, Sung-geun Oh, Seung, Jae Lee, Ga-Ram Kim, Min-ho Lee, Surface Modification of Titanium by Sand Blasting and Alkali Treatment, Journal of Biomedical Meterials Research, Vol.39, No. 1, pp. 1-7, 2012. DOI: https://doi.org/10.14815/kjdm.2012.03.39.1.1
23 Yunus Celgel, Afshin Ghajar, heat and mass transfer, pp 3-6, McGraw-Hill Publishing company, 2015.
24 Kim Chan-Jung, assistant heat transfer, pp. 1-15, buman books Co. Ltd.
25 Bang G-W, Kim Y-H. LED for plant growth regulators for the study of light on the device. Journal of Digital Convergence, Vol.10, No.7, pp. 262-272, 2012. DOI: http://doi.org/10.14400/JDPM.2012.10.7.267