Gradient Heatmetry Advances

Sergey Z. Sapozhnikov, Vladimir Y. Mityakov, Andrey V. Mityakov, Andrey A. Gusakov, Elza R. Zainullina, Mikhail A. Grekov, Vladimir V. Seroshtanov, Alexander Bashkatov, Alexander Y. Babich and Andrey V. Pavlov
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Sergey Z. Sapozhnikov: Science Educational Centre “Energy Thermophysics”, Peter the Great St.Petersburg Polytechnic University (SPbPU), St.Petersburg 195251, Russia
Vladimir Y. Mityakov: Science Educational Centre “Energy Thermophysics”, Peter the Great St.Petersburg Polytechnic University (SPbPU), St.Petersburg 195251, Russia
Andrey V. Mityakov: Science Educational Centre “Energy Thermophysics”, Peter the Great St.Petersburg Polytechnic University (SPbPU), St.Petersburg 195251, Russia
Andrey A. Gusakov: Science Educational Centre “Energy Thermophysics”, Peter the Great St.Petersburg Polytechnic University (SPbPU), St.Petersburg 195251, Russia
Elza R. Zainullina: Science Educational Centre “Energy Thermophysics”, Peter the Great St.Petersburg Polytechnic University (SPbPU), St.Petersburg 195251, Russia
Mikhail A. Grekov: Science Educational Centre “Energy Thermophysics”, Peter the Great St.Petersburg Polytechnic University (SPbPU), St.Petersburg 195251, Russia
Vladimir V. Seroshtanov: Science Educational Centre “Energy Thermophysics”, Peter the Great St.Petersburg Polytechnic University (SPbPU), St.Petersburg 195251, Russia
Alexander Bashkatov: Institute of Fluid Dynamics, Helmholtz-Zentrum Dresden-Rossendorf, 01328 Dresden, Germany
Alexander Y. Babich: Science Educational Centre “Energy Thermophysics”, Peter the Great St.Petersburg Polytechnic University (SPbPU), St.Petersburg 195251, Russia
Andrey V. Pavlov: Science Educational Centre “Energy Thermophysics”, Peter the Great St.Petersburg Polytechnic University (SPbPU), St.Petersburg 195251, Russia

Energies, 2020, vol. 13, issue 23, 1-23

Abstract: The paper describes a unique method of heat flux measurement, i.e., gradient heatmetry. Gradient heatmetry is performed using gradient heat flux sensors (GHFS) developed on the anisotropic thermoelements basis. The principle of GHFS’ operation leads to the fact that their response time is about 10 ns, and the volt-watt sensitivity does not depend on the thickness. GHFS are compared with other types heat flux sensors, with the GHFS features depending on the materials being described. The theory and examples of gradient heatmetry applications in thermophysical experiment are provided.

Keywords: gradient heat flux sensor; heat flux; heat transfer; calibration; convection; condensation; boiling (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
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