THE INFLUENCE OF CONSTRUCTIVE CHARACTERISTICS OF THE TROMBE WALL ON EFFICIENCY OF PASSIVE HEATING SYSTEM

Authors

  • Viktoriia Vasylivna Dubrovska Національний технічний університет України «Київський політехнічний інститут імені Ігоря Сікорського», Ukraine https://orcid.org/0000-0001-6144-2441
  • Viktor Ivanovych Shkliar Національний технічний університет України «Київський політехнічний інститут імені Ігоря Сікорського», Ukraine https://orcid.org/0000-0003-4765-0484
  • Olena Volodymyrivna Hubska Національний технічний університет України «Київський політехнічний інститут імені Ігоря Сікорського», Ukraine https://orcid.org/0000-0002-4576-4974

DOI:

https://doi.org/10.20535/1813-5420.2.2017.111683

Keywords:

passive heating system, Trombe wall, the coefficient of efficiency, solar radiation, energy-saving glass

Abstract

A passive solar heating system with Trombe wall with natural air circulation is considered for a one-storey well-insulated apartment house with an area of 150 m 2 . The heat energy consumption for heating without Trombe wall for the city of Kyiv was 59.7 kWh / (m 2 year), for Odesa - 50.4 kWh / (m 2 year). In EnergyPlus software package, a mathematical modeling of the heating load in the building was performed with changing the geometric characteristics of the Trombe wall (the thickness of the air gap between the glass and heat-absorbing wall, the thickness of the massive wall) for Kyiv and Odesa. Optimum values of the thickness of the air layer between the glass packet and the heat absorbing wall were 0.03-0.04 m for Kyiv, 0.025-0.035 m for Odesa; the thickness of the massive wall, depending on its material, was: made from cellular concrete – 0.35-0,4 m, from bricks – 0.35-0,4 m and claydite concrete – 0.25-0.3 m during minimum thermal load of the building. The influence of the filler (air or argon), the type of glass (conventional, k-glass, і-glass) and the type of a glazing unit (single-chamber or double-chambered windows) on the loss of thermal energy into the environment is considered. It is recommended to use a double-glazed window filled with argon with the energy-saving і-glass – 4M-4M-16Ar-16Ar-I4. The using of the Trombe wall allows to reduce the heating load for Kyiv – 14.7%, for Odessa – 16.3%. Payback period of the passive Trombe wall is amounted to: for heat pump systems – 10 years and 4 months, for a system with electric boiler – 2 years and 10 months in Kyiv; for Odesa – 9 years and 2 years and 8 months, respectively.

Author Biographies

Viktoriia Vasylivna Dubrovska, Національний технічний університет України «Київський політехнічний інститут імені Ігоря Сікорського»

канд. тех. наук, доц

Viktor Ivanovych Shkliar, Національний технічний університет України «Київський політехнічний інститут імені Ігоря Сікорського»

канд. тех. наук, доц.

Olena Volodymyrivna Hubska, Національний технічний університет України «Київський політехнічний інститут імені Ігоря Сікорського»

магістр

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ENERGY EFFICIENCY AND ENERGY SAVINGS