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Více informací o knize Thermal conductivity scanner (TCS)

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Anotace knihy

Internship Report from the year 2013 in the subject Geography / Earth Science - Miscellaneous, grade: 2,0, RWTH Aachen University (Lehrstuhl für Geologie, Geochemie und Lagerstätten des Erdöls und der Kohle), course: Petrophysics Practical Course, language: English, abstract: The thermal conductivity scanner (or TCS) measures the thermal conductivity (W/m K) via optical scanning method. In Figure 1 is a picture of the measurement shown. The thermal conductivity is a material property. High values are used for cooling systems to transport heat away from the material in a short time (e.g. fringes); low values are used as insulators, e.g. thermos flasks. With this method the heater and the detectors where moved along the sample from the right to the left. A sensor measures within the moving first the cold conductivity of the sample. Than the heater follows and a last sensor measures after the heating of 25°C the conductivity of the sample again. Before and after the sample are two reference sources laid with a defined thermal conductivity. These reference sources are need for the sensor calibration, too. To avoid errors there has always to be a gap of a few centimeters between the reference blocks and the measured sample. For the measuring the samples and the reference sources have to be colored with a thick black line to avoid overheating and reflection by lighter samples. The opening has to be covered completely by the painted part of the sample. To control this was a mirror underneath the apparatus. [...]

Parametry knihy

Zařazení knihy Knihy v angličtině Earth sciences, geography, environment, planning Geography

• Plný název: Thermal conductivity scanner (TCS)
• Autor: Amalia Aventurin
• Jazyk: Angličtina
• Vazba: Brožovaná
• Počet stran: 20
• EAN: 9783656644811
• ISBN: 3656644810
• ID: 02662211
• Nakladatelství: Grin Publishing
• Hmotnost: 54 g
• Rozměry: 254 × 178 × 1 mm
• Datum vydání: 25. April 2014

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