A method has been proposed to reproduce in the laboratory the heating and cooling cycles of a soil with a buried land-mine. The method allows the length-scale and time-scale of the experiments to be drastically decreased. This is achieved by dimensional analysis of the thermal problem. A preliminary confirmation of the used approach was obtained with simplified tests [1-3].In the present work, the method is verified experimentally. Models of different types of land-mine are produced for this purpose. Full-scale and scaled-down models are built by a rapid prototyping technique, using materials with thermal properties similar to those of the actual land-mines.The response of the soil surface is monitored during the thermal cycles by an infrared camera. Preliminarily, the surface response measured above full-scale models is cross-checked against that measured above actual land-mines. Full-scale and scaled-down models are then tested outdoors and in the laboratory, respectively. The measured distribution and time-evolution patterns of surface temperature are eventually compared, in order to assess the reliability of the scale reduction method.
Experiments on scale reduction in infrared landmine detection / Muscio, Alberto; L., Tarozzi; Corticelli, Mauro Alessandro. - STAMPA. - -:(2006), pp. 162-165. (Intervento presentato al convegno QIRT 2006 - 8th International Conference on Quantitative InfraRed Thermography tenutosi a Padova (Italy) nel 28-30 June 2006).
Experiments on scale reduction in infrared landmine detection
MUSCIO, Alberto;CORTICELLI, Mauro Alessandro
2006
Abstract
A method has been proposed to reproduce in the laboratory the heating and cooling cycles of a soil with a buried land-mine. The method allows the length-scale and time-scale of the experiments to be drastically decreased. This is achieved by dimensional analysis of the thermal problem. A preliminary confirmation of the used approach was obtained with simplified tests [1-3].In the present work, the method is verified experimentally. Models of different types of land-mine are produced for this purpose. Full-scale and scaled-down models are built by a rapid prototyping technique, using materials with thermal properties similar to those of the actual land-mines.The response of the soil surface is monitored during the thermal cycles by an infrared camera. Preliminarily, the surface response measured above full-scale models is cross-checked against that measured above actual land-mines. Full-scale and scaled-down models are then tested outdoors and in the laboratory, respectively. The measured distribution and time-evolution patterns of surface temperature are eventually compared, in order to assess the reliability of the scale reduction method.Pubblicazioni consigliate
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