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Experimental study on diurnal IR signature characteristics of cuboids with different materials

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Abstract

This paper presents some of the measured diurnal cycle temperatures and infrared signatures from targets of cuboids made by using Bakelite, aluminum and steel which are coated with the same paint used for the naval ships. The diurnal variations of the temperatures and the infrared images over the targets are measured together with the weather conditions and solar/sky irradiations. When the optical surface conditions are maintained the same for all the objects considered as in this study, we found that the object with low thermal conductivity results in higher surface temperature than those with high thermal conductivity under the direct sun light, The MWIR radiance clearly shows the similar trend as the surface temperature but the LWIR radiance is nearly unchanged for all the objects with different materials even their temperatures vary each other. Also we concluded that the relative contrast might be a useful parameter for determining that the object could be detected or not.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Chung-Ang University, Seoul, 156-756, Korea

    Jun-Hyuk Choi & Tae-Kuk Kim

Authors
  1. Jun-Hyuk Choi
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  2. Tae-Kuk Kim
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Correspondence to Tae-Kuk Kim.

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Recommended by Associate Editor Dongsik Kim

Jun-Hyuk Choi received his M.S. and Ph.D. in the school of Mechanical Engineering from Chung-Ang University, Korea, in 2004 and 2009, respectively. His research interests include IR signature modeling and analysis.

Tae-Kuk Kim received his M.S. in the school of Mechanical Engineering from Korea Advanced Institute of Science and Technology, Korea, in 1979. He received M.S. and Ph.D. in Mechanical Engineering from University of Minnesota, United States of America in 1986 and 1990, respectively. His current research interests are combined heat transfer and radiative energy transmission.

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Choi, JH., Kim, TK. Experimental study on diurnal IR signature characteristics of cuboids with different materials. J Mech Sci Technol 27, 575–581 (2013). https://doi.org/10.1007/s12206-012-1234-5

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  • DOI: https://doi.org/10.1007/s12206-012-1234-5

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