Measuring thermodynamic temperatures at 2.5?27.1 K

Astrov, D. N.; Belyanskii, L. B.; Dedikov, Yu. A.; Polunin, S. P.; Zakharov, A. A.; Ermakov, N. B.

doi:10.1007/bf00865902

Cited by 1 publication

(3 citation statements)

References 4 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…12. Comparison of our and other data with the YPL-75 scdle Curveand points this work using thermometer 226952 -~-the scale of Steur and Durieux[9], N ~ noise thermometer by Klein et dl[16], D -dielectric gas thermometer bb Gugan and Michel[34]. K ~ points by Kemp et a1 [IO], solid line our gds scale referenced to 273 K using the reading of rhodium-iron reLalibrated thermometer no 226948, -~ the…”

supporting

confidence: 62%

“…We come to the conclusion that the temperature of the H, boiling point on the NPL scale must be raised 0.4 mK and have the thermodynamic value 20.2716 K. Also presented in Fig. 12 are: a comparison with the scale of Steur and Durieux [9], the experimental points of temperature measurements by noise thermometer of Klein et al [16], points obtained and points this work using thermometer 226952 -~-the scale of Steur and Durieux [9], N ~ noise thermometer by Klein et dl [16], D -dielectric gas thermometer bb Gugan and Michel [34]. K ~ points by Kemp et a1 [IO], solid line our gds scale referenced to 273 K using the reading of rhodium-iron reLalibrated thermometer no 226948, -~ the \dme scale referenced to 20 3 K by dielectric gas thermometer of Gugan and Michel [36] and two points from the work of Kemp et al [lo].…”

Section: T 2 mentioning

confidence: 89%

“…For the preliminary part of our work [34] we took Berry's result, T = 20.2712 K for the normal boiling point of equilibrium hydrogen, and the B ( T ) and C ( T ) relations proposed by Steur [32]. The thermodynamic temperature values were found by extrapolation to zero density of results of measurements at two different gas densities.…”

Section: T 2 mentioning

confidence: 99%

See 2 more Smart Citations

Precision Gas Thermometry between 2.5 K and 308 K

et al. 1989

View full text Add to dashboard Cite

As a part of preparatory work for the establishment of the new ITS-90 temperature scale, measurements of thermodynamic temperature by means of a gas thermometer without "dead space" were performed. The deviation of the NPL-75 scale from thermodynamic temperature was found to lie between zero and 0.7 mK. The value for the thermodynamic temperature of the hydrogen normal boiling point was found to be only 0.6 mK higher than that of Berry. The deviation of our scale, referenced to 273 K, from that of Steur and Durieux does not exceed 0.4 mK from 4.2 K to 27 K. Independent values of the second virial coefficient in the range 2.5 K to 27 K were found. In agreement with the results of other workers the deviations of the IPTS-68 from thermodynamic temperature were found to be - 8 mK near 20.3 K and +11 mK near 83 K. The maximal deviation of the IPTS-68 from thermodynamic temperature, viz 15 mK, was found near 150 K. This result is 4 mK higher than that of Kemp et al and lower by the same amount than was measured by the total radiation thermometer of Martin et al. The new values found for the thermodynamic temperatures of the fixed points are in good agreement with the results of other workers. The reference function W(T) for a standard platinum resistance thermometer is calculated.

show abstract

supporting

confidence: 62%