Abstract
The paper reviews thermographic and vibrothermography applications such as cold climate operations, determine the temperature profile of steel samples under tensile testing and perform composites Non-Destructive Testing (NDT). This review paper discusses studies, where IR thermography has been used effectively in research and development projects at the UiT The Arctic University of Norway and AGH UST. The applications discussed in this work are to determine: Thermal conductivity and heat transfer coefficient of freshwater and marine ice An industrial solution for detecting icing Relative required insulation (IREQ) of apparels Variation of tensile strength and surface temperature of steel samples under tensile testing under cold temperatures Vibrothermography for Non-Destructive Testing (NDT) of composites
Highlights
Infrared thermography is the science of detecting infrared energy emitted from an object
Rashid et al [10] work focused on the determination of the coefficient of thermal conductivity and the overall heat transfer coefficient, using infrared experimental technique [14,15,16] and Forward-Time Central-Space (FTCS) Finite Difference Method (FDM) method using MATLAB® [17]
This study proved that infrared imaging can be used effectively to determine relative required insulation for clothing (IREQ)
Summary
Infrared thermography is the science of detecting infrared energy emitted from an object. Rashid et al [10] work focused on the determination of the coefficient of thermal conductivity and the overall heat transfer coefficient, using infrared experimental technique [14,15,16] and Forward-Time Central-Space (FTCS) Finite Difference Method (FDM) method using MATLAB® [17]. As ice cube sample warmed, temperature profiles formed on the surface of the ice, which were recorded using an infrared imaging camera as shown in figure 4 (b). The experiments were repeated with fresh water and saline ice cubes The results from both MATLAB® simulations and Infrared imaging technique as shown, 5 and 6 revealed that the fresh water ice cube samples has an average conductivity of about 2.35 (W/(m.K)) in a temperature range of about -30°C to 0°C, which is in agreement with the literature. As thermal conductivity is related to density, this method can be used to predict ice density on the seabed in winters
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