CONSIDERATIONS ON FUTURE REDEFINITION OF THE KELVIN

CONSIDERATIONS ON FUTURE REDEFINITION OF THE KELVIN

The actual definition of the kelvin, measurement unit of the thermodynamic temperature, based on the temperature of the triple point of water, will be replaced probably by the year 2011 with a definition based on the Boltzmann constant, k. This paper presents considerations regarding the necessity,...

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Veröffentlicht in:Scientific bulletin. Buletin științific. Series A, Applied mathematics and physycs [i.e. physics] / UPB. Series A, Applied mathematics and physyics [i.e. physics Applied mathematics and physycs [i.e. physics] / UPB. Series A, Applied mathematics and physyics [i.e. physics, 2009-01, Vol.71 (2), p.95-104
Hauptverfasser: Dinu, D, Poenaru, M.-M.
Format: Artikel
Sprache:eng
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Zusammenfassung:The actual definition of the kelvin, measurement unit of the thermodynamic temperature, based on the temperature of the triple point of water, will be replaced probably by the year 2011 with a definition based on the Boltzmann constant, k. This paper presents considerations regarding the necessity, defining elements and consequences of the redefinition of the kelvin. It also contains considerations regarding the thermodynamic temperature as an element of the set of "true temperature" parameters and, practical temperature" as supporting notions for a new definition.
ISSN:1223-7027