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Sensors 2016, 16(3), 341; doi:10.3390/s16030341

Estimating Clothing Thermal Insulation Using an Infrared Camera

1
Department of Mechanical Engineering, KAIST, Daejeon 305-701, Korea
2
Department of Mechanical and Control Engineering, Handong Global University, Pohang 791-708, Korea
*
Author to whom correspondence should be addressed.
Academic Editor: Fabrizio Lamberti
Received: 4 November 2015 / Revised: 16 February 2016 / Accepted: 2 March 2016 / Published: 9 March 2016
(This article belongs to the Section Remote Sensors)
View Full-Text   |   Download PDF [11429 KB, uploaded 11 March 2016]   |  

Abstract

In this paper, a novel algorithm for estimating clothing insulation is proposed to assess thermal comfort, based on the non-contact and real-time measurements of the face and clothing temperatures by an infrared camera. The proposed method can accurately measure the clothing insulation of various garments under different clothing fit and sitting postures. The proposed estimation method is investigated to be effective to measure its clothing insulation significantly in different seasonal clothing conditions using a paired t-test in 99% confidence interval. Temperatures simulated with the proposed estimated insulation value show closer to the values of actual temperature than those with individual clothing insulation values. Upper clothing’s temperature is more accurate within 3% error and lower clothing’s temperature is more accurate by 3.7%~6.2% error in indoor working scenarios. The proposed algorithm can reflect the effect of air layer which makes insulation different in the calculation to estimate clothing insulation using the temperature of the face and clothing. In future, the proposed method is expected to be applied to evaluate the customized passenger comfort effectively. View Full-Text
Keywords: clothing insulation; thermal comfort; PMV; infrared camera clothing insulation; thermal comfort; PMV; infrared camera
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Lee, J.-H.; Kim, Y.-K.; Kim, K.-S.; Kim, S. Estimating Clothing Thermal Insulation Using an Infrared Camera. Sensors 2016, 16, 341.

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