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http://dx.doi.org/10.20910/JASE.2018.12.4.57

An Investigation on the Surface Flow Characteristics of Ogive-cylinder using the Infrared Ray Thermogram 3D Mapping Technique  

LEE, Jaeho (Agency For Defense Development)
Publication Information
Journal of Aerospace System Engineering / v.12, no.4, 2018 , pp. 57-63 More about this Journal
Abstract
IR thermography is a non-invasive method and used for the visualization of the surface temperature of the model. However, this technique only derives 2D results and not quantitative data. The goal of this study is to apply the 3D mapping technique for IR thermography. The wind tunnel model is an ogive-cylinder with a wind speed of 20 m/s ~ 80 m/s and the angle of attack ranging from $0^{\circ}$ to $90^{\circ}$. The real location of the model was made to correspond with the position of the IR image using the makers. Based on this result, quantitative results were obtained. The 3D mapping method was verified by comparing the separation point and the theoretical value.
Keywords
Low-speed wind tunnel; Flow visualization; IR thermography; 3D mapping;
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