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Kurzbeschreibung

The development of new technologies requires the exact knowledge of the thermophysical properties of materials up to very high temperatures. The measurements can in most cases only be performed using dynamic methods. Since the temperature is an important parameter for the determination of thermophysical properties, it was necessary to develop high speed pyrometers, with time resolution in the microsecond range. The first experiments used photoelectric and photographic methods. In a second stage of development, pyrometers with millisecond time resolution were constructed in Washington (NBS) and in Italy (IMGC). In the microsecond range, of interest for exploding wire, shock compression and laser heating techniques, only prototypes are available in various laboratories. In most cases, simultaneous measurements at several wavelengths are required for the determination of the emissivity. A multi-wavelength pyrometer developed in Karlsruhe (TU) is described in detail.

Zusätzliche Angaben

Autoren: BABELOT J F JRC KARLSRUHE ESTAB. (GERMANY), JRC KARLSRUHE ESTAB. (GERMANY)
Bibliografische Referenz: SEMINAR "TECHNIK DER MESSUNG HOHER TEMPERATUREN", DUESSELDORF (GERMANY), MARCH 19-20, 1984 WRITE TO CEC LUXEMBOURG, DG XIII/A2, POB 1907 MENTIONING PAPER D 31430 ORA
Verfügbarkeit: Can be ordered online
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