An evolutionary approach to updating the international temperature scale | Zendy

Kathryn Hill | Zendy

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An evolutionary approach to updating the international temperature scale

Author(s) -

Kathryn Hill

Publication year - 2013

Publication title -

aip conference proceedings

Language(s) - English

Resource type - Conference proceedings

SCImago Journal Rank - 0.177

H-Index - 75

eISSN - 1551-7616

pISSN - 0094-243X

DOI - 10.1063/1.4821373

Subject(s) - international temperature scale of 1990 , scale (ratio) , thermometer , scale of temperature , atmospheric temperature range , selection (genetic algorithm) , computer science , range (aeronautics) , temperature measurement , operations research , industrial engineering , thermodynamics , mathematics , statistics , engineering , artificial intelligence , geography , physics , aerospace engineering , cartography , calibration

Since its inception in 1927, the International Temperature Scale has been updated at approximately 20-year intervals to meet the needs of the time: the selection of fixed points and their assigned temperatures have changed, defining instruments have been added and deleted, and the equations have also changed, particularly for the temperature range defined by the platinum resistance thermometer. After presenting the historical development of the PRT-portion of the ITS, a proposal is made to update the ITS-90 in order to achieve closer accord with thermodynamic temperature.Peer reviewed: YesNRC publication: Ye

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