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Realization of a high-temperature reference point of the temperature scale on the phase transition of the metal-carbon compound dMoC-C
https://doi.org/10.32446/0368-1025it.2018-22-26
Abstract
The paper presents the results of development, in accordance with the requirements of the Consultative Committee for Thermometry (CCT), of a prototype blackbody (BB) model of the cavity type in the form of a graphite ampoule filled with a molybdenum eutectic alloy with carbon dMoC-C realizing a high-temperature reference point (HTFP) 2856 K of the temperature scale. The ampoule-BB based on the HTFP of molybdenum eutectic can serve as a precision optical «type A» radiation source. The paper contains scientifically grounded approaches to estimating the uncertainty components of the emissivity of the BB-ampoule cavity equal to 0,9997 with an expanded uncertainty of 0,00016 ( k =2), depending on the geometric and physical parameters using Monte- Carlo calculation algorithms.
About the Authors
B. B. Khlevnoy
The All-Russian Research Institute for Optical and Physical Measurements Federal State Unitary Enterprise
Russian Federation
Russian Federation
I. A. Grigoryeva
The All-Russian Research Institute for Optical and Physical Measurements Federal State Unitary Enterprise
Russian Federation
Russian Federation
E. A. Ivashin
The All-Russian Research Institute for Optical and Physical Measurements Federal State Unitary Enterprise
Russian Federation
Russian Federation
S. A. Ogarev
The All-Russian Research Institute for Optical and Physical Measurements Federal State Unitary Enterprise
Russian Federation
Russian Federation
V. I. Sapritsky
The All-Russian Research Institute for Optical and Physical Measurements Federal State Unitary Enterprise
Russian Federation
Russian Federation
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Review
For citations:
Khlevnoy B.B., Grigoryeva I.A., Ivashin E.A., Ogarev S.A., Sapritsky V.I. Realization of a high-temperature reference point of the temperature scale on the phase transition of the metal-carbon compound dMoC-C. Izmeritel`naya Tekhnika. 2018;(12):22-26. (In Russ.) https://doi.org/10.32446/0368-1025it.2018-22-26
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