Thermography infrared imaging

Infrared thermography Infrared imaging has been used to identify the location and spatial variability of SGD by exploiting the temperature difference between surface water and groundwater at certain times of the year. While this technique is quite useful for identifying spatial discharge patterns, it has not yet been applied to estimating flow rates. 

Significant technological advances made in infrared imaging systems over the past decade have made thermography a useful predictive maintenance tool. Nowadays, some infrared camcorder cameras weigh less than ten pounds. 

The real power of thermography is that it allows us to quickly locate and monitor problems, and present critical decision-making information in visual form making it easy for management to understand. Infrared imaging systems, as they are generally called, produce a picture. . . of the invisible thermal pattern of a component or process. These thermal patterns, when understood, can be used to monitor operating conditions of equipment or processes. [14]... 

Infrared imaging was utilized in several studies of spatial effects in exothermic catalytic reactions over model catalysts, such as isolated particles, wafers, plates, discs [2]. Our approach has been to characterize the catalysts directly in a packed-bed microreactor, under realistic reaction conditions. In-situ measurements by infrared thermography of the adsorption properties of catalytic materials have been previously reported [6]. In the present study, the catalytic oxidation of compounds having different chemical properties was investigated by the same technique, with the aim of obtaining comparative data useful to better understand the factors governing the complex phenomena associated with catalytic combustion. 

Thermal/infrared Chemical/analjftical Thermography Infrared spectrometry Raman spectrometry Ultraviolet spectrometry X-ray spectrometry Magnetic resonance imaging Infrared spectrometry is classified among chemical/analytical... 

Focal plane array (FPA) - A linear or two-dimensional matrix of detector elements, typically used at the focal plane of an instrument. In thermography, rectangular FPAs are used in staring (non-scanning) infrared imagers. These are called IRFPA imagers. 

Thermography. 2. Infrared imaging. 3. Infrared detectors. 4. Infrared equipment. 

Infrared imaging (thermography) Spot surface temperatures or surface temperature pattern as indicator of physical state of object Used most effectively on refractory and insulation furnace tube inspection. Requires specialized skills and instrumentation is costly Infrequent... 

Figure 47. Black and white scan of an infrared image of human adipocyte cultures treated with rotenone and FCCP. Confluent human adipocytes were cultured in 96-well microtitre plates (50 pl/well). Dose responses are shown on the thermogenic effects of rotenone and FCCP on human adipocytes. The cells were treated for 10 min with either agent before the images were analyzed by infrared thermography. Representative data are presented from experiments performed in triplicate (Reproduced from Reference [14] with permission).

The inventions of the scanning tunnelling microscope (STM) [16] and the atomic force microscope (AFM) [17] have allowed sub-micrometre and, at times, atomic-scale spatially-resolved imaging of surfaces. Spatially-resolved temperature measurements using optical systems are diffraction limited by the wavelength of the radiation involved, which is about 5-10 pm for infrared thermography and about 0.5 pm for visible light [18]. The spatial resolution of near-field techniques (such as AFM) is only limited by the active area of the sensor (which in the case of STM may be only a few atoms at the end of a metal wire). 

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