{"id":273,"date":"2024-08-20T11:33:46","date_gmt":"2024-08-20T10:33:46","guid":{"rendered":"https:\/\/www.direk-t.org\/?page_id=273"},"modified":"2026-08-03T12:07:58","modified_gmt":"2026-08-03T11:07:58","slug":"publications","status":"publish","type":"page","link":"https:\/\/www.direk-t.org\/?page_id=273","title":{"rendered":"Publications"},"content":{"rendered":"\n

This is the summary of the publications prepared in the scope of the project including links to the publications sites:<\/p>\n\n\n\n

Official project poster<\/a><\/p>\n\n\n\n

26th<\/sup> IIR International Congress of Refrigeration, “Dissemination of the redefined kelvin”<\/a>, August 2023<\/p>\n\n\n\n

IMEKO 2024 World Congress, August 2024<\/p>\n\n\n\n

The First Newsletter, August 2024<\/a><\/p>\n\n\n\n

The Second Newsletter, November 2025<\/a><\/p>\n\n\n\n

The Third Newsletter, July 2026<\/a><\/p>\n\n\n\n

Zenodo Kelvin Community<\/a><\/p>\n\n\n\n

Published papers<\/strong><\/p>\n\n\n\n

Gao, B., Zhang, H., Kong, X., et al. (2026). Primary thermometry below 25 K: a decade of low-uncertainty measurements linked to the new kelvin. Phil. Trans. R. Soc. A<\/em> 384<\/strong>: 20240451. https:\/\/doi.org\/10.1098\/rsta.2024.0451<\/a><\/p>\n\n\n\n

Gavioso, R. M., Steur, P. P. M., Lopardo, G., Imbraguglio, D. (2026). Dissemination of thermodynamic temperature by gas thermometry below 300 K. Phil. Trans. R. Soc. A<\/em> 384<\/strong>: 20240450. https:\/\/doi.org\/10.1098\/rsta.2024.0450<\/a><\/p>\n\n\n\n

Imbraguglio, D., Steur, P. P. M., & Gavioso, R. M. (2026). Direct calibration of resistance thermometers between 10 K and 25 K by absolute acoustic gas thermometry. Phil. Trans. R. Soc. A<\/em> 384<\/strong>: 20250043. https:\/\/doi.org\/10.1098\/rsta.2025.0043<\/a><\/p>\n\n\n\n

Liu, S., Song, Y., Zhang, H., et al. (2025). Active phase and amplitude temperature control method for cryostat: Active phase and amplitude temperature control method for cryostat: A case in the thermodynamic temperature international comparison system. Appl. Therm. Eng.<\/em>, 258<\/strong> 124562. https:\/\/doi.org\/10.1016\/j.applthermaleng.2024.124562<\/a><\/p>\n\n\n\n

Song, Y., Zhang, H., Gao, B., et al. (2025). Ultra-stable cryogenic international temperature comparator with microkelvin instability. Metrologia<\/em>, 62<\/strong> (2025) 065007 https:\/\/doi.org\/10.1088\/1681-7575\/ae1f1d<\/a><\/p>\n\n\n\n

Song, Y., Zhang, H., Liu, S., et al. (2026). Stability and Calibration Performance of Standard Platinum-Cobalt Resistance Thermometers for Cryogenic Applications. Metrologia,<\/em> 63<\/strong> 015002. https:\/\/doi.org\/10.1088\/1681-7575\/ae2687<\/a><\/p>\n\n\n\n

Zhang, H., Kong, X., Song, Y., et al. (2025). State-of-the-art comparisons of ab initio<\/em> calculations of density virial coefficients for helium-4 with measurements. Metrologia<\/em>, 62<\/strong> 055008. https:\/\/doi.org\/10.1088\/1681-7575\/ae012f<\/a><\/p>\n\n\n\n

Machin, G., Gavioso, R. M., Underwood, R. J., Gaiser, C., Dobre, M., & Martin Hernandez, J.
M. (2025). European partnership in metrology project: Dissemination of the redefined kelvin
(DireK-T). Measurement Sensors. https:\/\/doi.org\/10.1016\/j.measen.2024.101620<\/a><\/p>\n\n\n\n

Liu, S., Song, Y., Zhang, H., GAO, B., & Han, Z. (2025). Active phase and amplitude
temperature control method for cryostat: A case in the thermodynamic temperature
international comparison system. In Applied Thermal Engineering (Vol. 258, Num\u00e9ro Part A,
p. 124562). Zenodo. https:\/\/doi.org\/10.5281\/zenodo.15297343<\/a><\/p>\n\n\n\n

Zhang, H., Song, Y., Kong, X., GAO, B., Plimmer, M., & Pitre, L. (2025). Repeatability of a
primary thermometer and calibration of resistance thermometers between 5 K and 25 K at
the sub-millikelvin level. In Metrologia: Vol. 62 015005 (Num\u00e9ro 1, p. 015005). Zenodo.
https:\/\/doi.org\/10.5281\/zenodo.15297581<\/a><\/p>\n\n\n\n

Liu, S., Yaonan, S., GAO, B., Zhang, H., & Han, Z. (2025). Achieving High Stability in Cryostat: A
Study on Optimal Thermal Link Parameters. In International Journal of Refrigeration: Vol.
Volume 167 (Num\u00e9ro 2024, p. 13-22). Zenodo. https:\/\/doi.org\/10.5281\/zenodo.15295276<\/a><\/p>\n\n\n\n

Conference presentations<\/strong><\/p>\n\n\n\n

Results from the DireK\u2011T project were presented at the TEMPMEKO\u2013ISHM 2025 Conference<\/a><\/strong> held in Reims, France, from 20 to 24 October 2025 (https:\/\/www.tempmeko-ishm2025.com\/inscriptions\/en\/scientific-program\/detailed-program<\/a>\/). Project partners contributed to the sessions OP\u201101 \u2013 Thermodynamic Temperature Determinations; in Memory of Mike Moldover<\/strong>, OP\u201113 \u2013 Thermodynamic Temperature Determinations<\/strong>, and OP\u201125 \u2013 Dissemination of the Redefined Kelvin (DireK\u2011T Project)<\/strong>. These presentations showcased recent developments in primary thermometry, thermodynamic temperature determination, and strategies for the dissemination of the redefined kelvin, demonstrating the significant scientific progress achieved through the DireK\u2011T project.<\/p>\n\n\n\n

\u017du\u017eek, V., Kropej, R., Jane\u017ei\u010d, A., & Bojkovski, J. (2025). Establishing Traceability of Capsule Type Thermometers in Scope of DireK\u2011T Project at MIRS\/UL\u2011FE\/LMK. Presentation at TEMPMEKO\u2013ISHM 2025, Reims, France, 20\u201324 October 2025.<\/p>\n\n\n\n

Shivagan, D. D., Babita, Pant, U., Meena, H., Gupta, G., & Bapna, K. (2025). Thermal Optimizations for Development of Acoustic Gas Thermometry at CSIR\u2011NPL, India. Presentation at TEMPMEKO\u2013ISHM 2025, Reims, France, 20\u201324 October 2025<\/p>\n\n\n\n

Gavioso, R. M., Steur, P. P. M., Lopardo, G., Rinolfi, S., Santoro, F., & Imbraguglio, D. (2025). Thermodynamic Temperature Measurements by Acoustic Gas Thermometry Between 10 K and 160 K. Presentation at TEMPMEKO\u2013ISHM 2025, Reims, France, 20\u201324 October 2025.<\/p>\n\n\n\n

Zhang, H. Y., Song, Y. N., Kong, X. J., Gao, B., & Pitre, L. (2025). Relative Refractive-Index Gas Thermometry and Thermodynamic Temperature Wire Scale from 5 K to 25 K. Presentation at TEMPMEKO\u2013ISHM 2025, Reims, France, 20\u201324 October 2025.<\/p>\n\n\n\n

Kong, X., Liu, S., Song, Y., Zhang, H., Guo, W., Gao, B., & Pitre, L. (2025). Towards Direct Realisation of the ITS\u201190 in a Primary Gas Thermometer Between 2 K and 5 K. Presentation at TEMPMEKO\u2013ISHM 2025, Reims, France, 20\u201324 October 2025.<\/p>\n\n\n\n

Gavioso, R. M., Gaiser, C., Martin, M. J., Dobre, M., Underwood, R., & Machin, G. (2025). The DireK\u2011T Project for Dissemination of Thermodynamic Temperature. Presentation at TEMPMEKO\u2013ISHM 2025, Reims, France, 20\u201324 October 2025.<\/p>\n\n\n\n

Vold\u00e1n, M., Gavioso, R. M., & Mahovsk\u00fd, D. (2025). Implementing Acoustic Gas Thermometry at CMI in the Temperature Range 233 K to 303 K. Presentation at TEMPMEKO\u2013ISHM 2025, Reims, France, 20\u201324 October 2025.<\/p>\n\n\n\n

Gaiser, C., & Fellmuth, B. (2025). Experiment and Theory Hand in Hand \u2013 A Re\u2011evaluation of DCGT Data with \u00b3He at 2.5 K and 3.2 K. Presentation at TEMPMEKO\u2013ISHM 2025, Reims, France, 20\u201324 October 2025.<\/p>\n\n\n\n

Yang, I. (2025). Thermodynamic Temperature Measurement Using Acoustic Gas Thermometry at KRISS. Presentation at TEMPMEKO\u2013ISHM 2025, Reims, France, 20\u201324 October 2025.<\/p>\n\n\n\n

Pitre, L., Tauzin, C., & Sparasci, F. (2025). Evaluating Different Methods in Acoustic Frequency Measurement: Advancing Towards a Practical AGT. Presentation at TEMPMEKO\u2013ISHM 2025, Reims, France, 20\u201324 October 2025.<\/p>\n\n\n\n

Tsai, S. F., & Underwood, R. (2025). Acoustic Gas Thermometry with a Cylindrical Resonator Near Room Temperature. Presentation at TEMPMEKO\u2013ISHM 2025, Reims, France, 20\u201324 October 2025.<\/p>\n\n\n\n

Rourke, P. M. C., Levesque, M. B., & Todd, A. D. W. (2025). NRC AGT+RIGT System: Vacuum Measurements and Auxiliary Isotherm Results. Presentation at TEMPMEKO\u2013ISHM 2025, Reims, France, 20\u201324 October 2025.<\/p>\n\n\n\n

Xu, L., Feng, X.-J., Lu, X.-F., & Zhang, J.-T. (2025). Progress on the Determination of T\u2212T90 by Cylindrical Acoustic Gas Thermometry up to 1000 K. Presentation at TEMPMEKO\u2013ISHM 2025, Reims, France, 20\u201324 October 2025.<\/p>\n\n\n\n

Pant, U., Sparasci, F., Plimmer, M. D., & Pitre, L. (2025). Progress on Measurement of the T\u2212T90 Using Acoustic Gas Thermometry of Helium\u20114 with a Large\u2011Volume Quasi\u2011Spherical Resonator. Presentation at TEMPMEKO\u2013ISHM 2025, Reims, France, 20\u201324 October 2025.<\/p>\n\n\n\n

Gao, B., Zhang, H. Y., Guo, W. X., Kong, X. J., Song, Y. N., Liu, S. Q., Luo, E. C., & Pitre, L. (2025). Implementing New Kelvin at Temperatures Below 25 K. Presentation at TEMPMEKO\u2013ISHM 2025, Reims, France, 20\u201324 October 2025.Kowal, A., Nikonkov, R., Szklarz, G., et al. Advancements in Thermodynamic Temperature Dissemination: Progress in the DireK\u2011T Project. Presentation at TEMPMEKO\u2013ISHM 2025, Reims, France, 20\u201324 October 2025.<\/p>\n\n\n\n

Underwood, R. (2025). The Gas\u2011Shell Interaction in Acoustic Resonators and Implications for Practical Primary Thermometry. Presentation at TEMPMEKO\u2013ISHM 2025, Reims, France, 20\u201324 October 2025.<\/p>\n\n\n\n

Dobre, M., Vold\u00e1n, M., & Mahovsk\u00fd, D. (2025). Overcoming Challenges in Using ITS\u201190 Fixed Point Cells for CSPRT Calibration: Lessons Learned. Presentation at TEMPMEKO\u2013ISHM 2025, Reims, France, 20\u201324 October 2025.<\/p>\n\n\n\n

C. Gaiser, The challenges of primary thermometry from 300 K to 1235 K, presentation at The
Royal Society – Theo Murphy Meeting – The redefined kelvin: progress and prospects<\/a>, 24 \u2013 25
February 2025<\/p>\n\n\n\n

R. Gavioso, Dissemination of thermodynamic temperature below 300 K, presentation at The
Royal Society – Theo Murphy Meeting – The redefined kelvin: progress and prospects<\/a>, 24 \u2013 25
February 2025<\/p>\n\n\n\n

B. Gao, Ultra-low uncertainty primary thermometry below 25 K, presentation at The Royal
Society – Theo Murphy Meeting – The redefined kelvin: progress and prospects<\/a>, 24 \u2013 25
February 2025<\/p>\n\n\n\n

X. Feng, Progress on future temperature dissemination using high temperature acoustic gas
thermometry, presentation at The Royal Society – Theo Murphy Meeting – The redefined
kelvin: progress and prospects<\/a>, 24 \u2013 25 February 2025<\/p>\n\n\n\n

G. Machin, M. Dobre, R. Gavioso, C. Gaiser, M-J. Martin, R. Underwood, \u201cDissemination of
the redefined kelvin\u201d, poster presented at 26th IIR International Congress of Refrigeration<\/a>:
Paris , France, August 21-25, 2023.<\/p>\n\n\n\n

R. Gavioso, M. Dobre, C. Gaiser, R. Underwood and G. Machin, \u201cDissemination of the
redefined kelvin\u201d, poster presented at 22nd Symposium on Thermophysical Properties<\/a>,
Boulder, CO, USA, June 23\u201328, 2024<\/p>\n\n\n\n

G. Machin, R. Gavioso, M. Dobre, C. Gaiser, M-J. Martin, R. Underwood, \u201cEuropean
Partnership in metrology project: Dissemination of the redefined kelvin (DireK-T)\u201d, paper
accepted for presentation at XXIV IMEKO World Congress<\/a> \u201cThink Metrology\u201d August 26 – 29,
2024, Hamburg, Germany<\/p>\n","protected":false},"excerpt":{"rendered":"

\nThis is the summary of the publications prepared in the scope of the project including links to the publications sites: Official project poster 26th IIR International Congress of Refrigeration, “Dissemination of the redefined kelvin”, August 2023 IMEKO 2024 World Congress, August 2024 The First Newsletter, August 2024 The Second Newsletter, November 2025 The Third Newsletter,…\n<\/div>\n
Continue reading “Publications”<\/span>…<\/a><\/div>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-273","page","type-page","status-publish","hentry","entry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.direk-t.org\/index.php?rest_route=\/wp\/v2\/pages\/273","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.direk-t.org\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.direk-t.org\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.direk-t.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.direk-t.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=273"}],"version-history":[{"count":27,"href":"https:\/\/www.direk-t.org\/index.php?rest_route=\/wp\/v2\/pages\/273\/revisions"}],"predecessor-version":[{"id":375,"href":"https:\/\/www.direk-t.org\/index.php?rest_route=\/wp\/v2\/pages\/273\/revisions\/375"}],"wp:attachment":[{"href":"https:\/\/www.direk-t.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=273"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}