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http://dx.doi.org/10.15435/JILASSKR.2021.26.2.67

Experimental Study on Rayleigh-Benard-Marangoni Natural Convection using IR Camera  

Kim, Jeongbae (한국교통대학교 자동차공학전공)
Publication Information
Journal of ILASS-Korea / v.26, no.2, 2021 , pp. 67-72 More about this Journal
Abstract
Rayleigh-Benard-Marangoni (RBM) convection have been artificially made for application of various engineering fields. For a relatively larger circular container, natural convection experiments were carried out to reveal and show the flow characteristics with engine oil (SAE30) using IR camera. IR camera has captured the temperature distribution on the free surface. From these experiments, it was confirmed that it was possible to quantitatively analyze the occurrence characteristics of RBM flow clearly from the thermal images taken with IR camera. As the aspect ratio increased, both the number of internal and external cavities increased. And found that the criteria of RBM flow generation proposed through previous experiments performed for small-sized containers are also very effective with the results on larger circular container.
Keywords
Natural convection; Marangoni flow; Circular container; Electric heating; IR camera;
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