Technologies and Engineering
Technologies and Engineering
ISSN 2786-5371 e-ISSN 2786-538X
DOI: 10.30857/2786-5371
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Issue

Vol. 26, No. 3, 2025

  • 04.07.2025

Technologies and Engineering 

ISSN (print) 2786-5371

ISSN (online) 2786-538X

Publisher: Kyiv National University of Technologies and Design

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All articles from the issue

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Ultra-wideband transmission lines for next-generation digital systems: Modelling and analysis

Keywords: dispersion; surface resistance; pulse signal; frequency-dependent losses; metamaterials; superconductors; phase stability

Serhii Boichenko

https://doi.org/10.30857/2786-5371.2025.3.1

Suggested citation

Boichenko, S. (2025). Ultra-wideband transmission lines for next-generation digital systems: Modelling and analysis. Technologies and Engineering, 26(3), 11-23. https://doi.org/10.30857/2786-5371.2025.3.1
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  • 25.06.2025
  • 496 Views
  • Technologies and Engineering - Vol. 26, No. 3, 2025
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Adsorbents derived from nitric acid-oxidised coal and activated with potassium hydroxide

Keywords: oxicarbon; alkaline thermochemolysis; porous carbon material; pore structure; ecotoxicant adsorption

Volodymyr Kucherenko, Yulia Tamarkina, Anastasiia Redko, Iryna Frolova

https://doi.org/10.30857/2786-5371.2025.3.2

Suggested citation

Kucherenko, V., Tamarkina, Yu., Redko, A., & Frolova, I. (2025). Adsorbents derived from nitric acid-oxidised coal and activated with potassium hydroxide. Technologies and Engineering, 26(3), 24-37. https://doi.org/10.30857/2786-5371.2025.3.2
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  • 25.06.2025
  • 421 Views
  • Technologies and Engineering - Vol. 26, No. 3, 2025
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Analysis of the use of phase transition materials to improve the energy efficiency of buildings and thermal energy storage

Keywords: phase transition materials; paraffin; enclosing structures; thermal inertia; latent heat

Yevhen Lazarsev, Iryna Sukhodub

https://doi.org/10.30857/2786-5371.2025.3.3

Suggested citation

Lazarsev, Ye., & Sukhodub, I. (2025). Analysis of the use of phase transition materials to improve the energy efficiency of buildings and thermal energy storage. Technologies and Engineering, 26(3), 38-53. https://doi.org/10.30857/2786-5371.2025.3.3
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  • 25.06.2025
  • 383 Views
  • Technologies and Engineering - Vol. 26, No. 3, 2025
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Information and analytical technologies for decision support in environmental monitoring systems of amalgamated territorial communities

Keywords: Internet of Things; military impact; crowdsourcing; mathematical modelling; anthropogenic load; risk management; cloud technologies

Andriy Moshensky, Igor Savchenko

https://doi.org/10.30857/2786-5371.2025.3.4

Suggested citation

Moshensky, A., & Savchenko, I. (2025). Information and analytical technologies for decision support in environmental monitoring systems of amalgamated territorial communities. Technologies and Engineering, 26(3), 54-65. https://doi.org/10.30857/2786-5371.2025.3.4
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  • 25.06.2025
  • 260 Views
  • Technologies and Engineering - Vol. 26, No. 3, 2025
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Combined energy production systems with Stirling engines: Analysis of global experience and local prospects

Keywords: decentralisation; biomass; heat source; cogeneration; environmental friendliness

Yevhen Nikitin

https://doi.org/10.30857/2786-5371.2025.3.5

Suggested citation

Nikitin, Ye. (2025). Combined energy production systems with Stirling engines: Analysis of global experience and local prospects. Technologies and Engineering, 26(3), 66-76. https://doi.org/10.30857/2786-5371.2025.3.5
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  • 25.06.2025
  • 518 Views
  • Technologies and Engineering - Vol. 26, No. 3, 2025
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Integration of a solar power plant and a heat pump into a hot water supply system based on a digital twin

Keywords: autonomous heat supply; multi-apartment building; renewable energy sources; energy modelling; energy efficiency

Mykola Politykin, Olena Yatsenko

https://doi.org/10.30857/2786-5371.2025.3.6

Suggested citation

Politykin, M., & Yatsenko, O. (2025). Integration of a solar power plant and a heat pump into a hot water supply system based on a digital twin. Technologies and Engineering, 26(3), 77-88. https://doi.org/10.30857/2786-5371.2025.3.6
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  • 25.06.2025
  • 578 Views
  • Technologies and Engineering - Vol. 26, No. 3, 2025