Processing data of a pulse thermal physics experiment using Python

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Abstract

An algorithm has been developed and original software has been created for obtaining and post-processing an array of experimental data. The method of controlled pulsed heating of a wire probe has been used. The heat transfer in liquid binary media and their phase diagrams in the region of short-term superheated states has been studied. The Python program was tested by analyzing 1250 files containing more than 107 values.

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About the authors

А. А. Gubin

Ural Federal University; I.Ya. Postovsky Institute of Organic Synthesis of the Ural Branch of the Russian Academy of Sciences

Author for correspondence.
Email: artyom.gubin@vk.com
Russian Federation, Ekaterinburg; Ekaterinburg

А. А. Marchukova

I.Ya. Postovsky Institute of Organic Synthesis of the Ural Branch of the Russian Academy of Sciences

Email: artyom.gubin@vk.com
Russian Federation, Ekaterinburg

I. I. Povolotskiy

The Institute of Thermal Physics of the Ural Branch of the Russian Academy of Sciences

Email: artyom.gubin@vk.com
Russian Federation, Ekaterinburg

D. V. Volosnikov

The Institute of Thermal Physics of the Ural Branch of the Russian Academy of Sciences

Email: artyom.gubin@vk.com
Russian Federation, Ekaterinburg

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Supplementary files

Supplementary Files
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1. JATS XML
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2. Fig. 1. Raw files of changes in probe temperature T(t) (a) and its time derivative (b) in hexane at atmospheric pressure. The boiling point t*, marked with an arrow, corresponds to a characteristic break in the dT(t)/dt dependence.

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3. Fig. 2. Software block diagram.

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4. Fig. 3. Software graphical interface for determining FD (lines of achievable superheating and critical parameters) using water as an example: initial thermogram data (top), values of their time derivatives (bottom).

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5. Fig. 4. Instantaneous heat transfer coefficient into an aqueous solution of polypropylene glycol (PPG): (a) software graphical interface, example of determining the HTC into an aqueous solution with 20 wt. % PPG; (b) comparison of the HTC into the initial components of the aqueous PPG solution and into the samples (the numbers correspond to the wt. % content of PPG in water).

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