Electric heaters based on nanomodified paraffin with self­installing heat contact for anti­icing systems of aerospace crafts

Authors

  • Alexander Shchegolkov Federal State Educational Institution of Higher Education “Tambov State Technical University” Sovetskaya str., 106, Tambov, Russian Federation, 392000, Russian Federation https://orcid.org/0000-0002-4317-0689
  • Alexander Semenov Peoples Friendship University of Russia (RUDN University) Mikluho-Maklaya str., 6, Moscow, Russian Federation, 117198, Russian Federation https://orcid.org/0000-0003-2613-6603
  • Anna Ostrovskaya Peoples Friendship University of Russia (RUDN University) Mikluho-Maklaya str., 6, Moscow, Russian Federation, 117198, Russian Federation https://orcid.org/0000-0002-0683-1759
  • Vadym Kovalenko Ukrainian State University of Chemical Technology Gagarina ave., 8, Dnipro, Ukraine, 49005 Vyatka State University Moskovskaya str., 36, Kirov, Russian Federation, 610000, Ukraine https://orcid.org/0000-0002-8012-6732

DOI:

https://doi.org/10.15587/1729-4061.2018.151686

Keywords:

electric heater, carbon nanotubes, self-regulation, heat exchange, paraffin, self-installing heat contact

Abstract

Improved effectiveness of ice protection systems of aerospace crafts can be achieved with the development of more effective heaters. Self-regulating electric heaters based on positive or negative temperature coefficient have achieved the highest demand. Development of heaters with such properties involves various matrixes based on cement, glass frit, asphalt mastic, and polymers. Conductivity in such matrixes is governed by metallic or carbon filler. Carbon nanostructures possess the greatest effectiveness. The synthesis method of carbon nanostructures and composites to which they are introduced, the basic properties of resulting electric heaters are determined. To study the effectiveness of electric heaters, a non-contact method of temperature field measurement was used. CNT were synthesized using the Ni/MgO catalytic system, using the thermal decomposition method. CNT morphology was studied using the field emission electron microscope Hitachi H-800. During the investigation, it was found that for the electric heater based on paraffin modified with CNT, the basic specific power was 800±10 % W/m2 at an ambient temperature of +10 °C. When the temperature was lowered to -40 °C, specific power increased to 1,600±20 % W/m2. Dynamic change of power at different temperatures indicated the presence of a self-regulating effect. Thermal images of the heat contact have revealed that heat radiation stabilizes at 56 °С. The developed heaters can operate at a voltage up to 200 V and possess rational electrophysical and functional parameters, which allow for effective operation in ice protection systems for aircrafts

Author Biographies

Alexander Shchegolkov, Federal State Educational Institution of Higher Education “Tambov State Technical University” Sovetskaya str., 106, Tambov, Russian Federation, 392000

PhD, Associate Professor

Department of Technics and technologies of nanomaterials production

Alexander Semenov, Peoples Friendship University of Russia (RUDN University) Mikluho-Maklaya str., 6, Moscow, Russian Federation, 117198

PhD, Associate Professor

Department of Innovation Management and Foreign Economic Activity

Industry Control Center Faculty of Economics

Anna Ostrovskaya, Peoples Friendship University of Russia (RUDN University) Mikluho-Maklaya str., 6, Moscow, Russian Federation, 117198

PhD, Associate Professor, Director

Industry Control Center Faculty of Economics

Vadym Kovalenko, Ukrainian State University of Chemical Technology Gagarina ave., 8, Dnipro, Ukraine, 49005 Vyatka State University Moskovskaya str., 36, Kirov, Russian Federation, 610000

PhD, Associate Professor

Department of Analytical Chemistry and Food Additives and Cosmetics

Senior Researcher

Competence center of Ecological technologies and systems

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Published

2018-12-19

How to Cite

Shchegolkov, A., Semenov, A., Ostrovskaya, A., & Kovalenko, V. (2018). Electric heaters based on nanomodified paraffin with self­installing heat contact for anti­icing systems of aerospace crafts. Eastern-European Journal of Enterprise Technologies, 6(12 (96), 28–34. https://doi.org/10.15587/1729-4061.2018.151686

Issue

Vol. 6 No. 12 (96) (2018): Materials Science

Section

Materials Science

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Copyright (c) 2018 Alexander Shchegolkov, Alexander Semenov, Anna Ostrovskaya, Vadym Kovalenko

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