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Author(s): Eva Barreira
V.P. Freitas
J.M.P.Q. Delgado
N. M. M. Ramos
Title: Thermography Applications in the Study of Buildings Hygrothermal Behaviour
Issue Date: 2012
Abstract: Infrared thermography (IRT) can be defined as the science of acquisition and analysis ofdata from non-contact thermal imaging devices. The process of thermal imaging hassimplified over the years with the availability of efficient, high resolution infrared camerasthat convert the radiation sensed from the surfaces into thermal images (Rao, 2008).Thermography literally means writing with heat, just as photography implies writingwith light. The invisible infrared radiation emitted by bodies is converted into temperatureand displayed as thermal images, the thermographs.Infrared thermography is a powerful tool for engineers, architects and consultants for use inevaluating existing buildings and structures. Infrared thermography is a fast and reliabletool to assist in identifying potential problems in existing buildings.Infrared thermography offers several advantages in condition surveying. Recentdevelopments in thermography and image processing made the technique a valuableaddition to the repertoire of nondestructive testing methods. Thermography is a noncontact,non-destructive technique. While the potential exists, thermography has not yetbeen utilized extensively in the assessment of monuments and ancient structures. Conditionsurveys by conventional techniques cannot detect the presence and source of moisturereadily, require access to the surfaces, and are expensive and time consuming. On the otherhand, IRT offers a rapid method for assessing large surfaces without the need of a scaffoldto reach the area under investigation.
Subject: Engenharia civil, Outras ciências da engenharia e tecnologias
Civil engineering, Other engineering and technologies
Scientific areas: Ciências da engenharia e tecnologias::Outras ciências da engenharia e tecnologias
Engineering and technology::Other engineering and technologies
Source: Infrared Thermography
Document Type: Capítulo ou Parte de Livro
Rights: restrictedAccess
Appears in Collections:FEUP - Capítulo ou Parte de Livro

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