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Experimental Investigation of Thermal Bridges and Heat Transfer through Window Frame Elements at Achieving Energy Saving

Author

Listed:
  • Anastasios Moumtzakis

    (Department of Environmental Engineering, Democritus University of Thrace, 67100 Xanthi, Greece)

  • Stamatis Zoras

    (Department of Environmental Engineering, Democritus University of Thrace, 67100 Xanthi, Greece)

  • Vasilis Evagelopoulos

    (Department of Chemical Engineering, University of West Macedonia, 50100 Kozani, Greece)

  • Argyro Dimoudi

    (Department of Environmental Engineering, Democritus University of Thrace, 67100 Xanthi, Greece)

Abstract

Windows are responsible for significant amounts of energy loss through typical building envelopes. There have been multiple studies on heat loss through the glazing unit and frame system. This study presents an experimental investigation of a window unit and focuses specifically on the conductance between the structural elements and the frame system of a conventional house in the city of Xanthi, northern Greece. It is obvious that even a perfect window system cannot reduce heat transfer between the base of the frame and the upper surface of the floor. The experimental and simulation procedure of this project includes the installation of an insulating layer in front of the window unit for a variety of frames (solid wood, aluminum, PVC, etc.) at different distances. The main objective of this paper is to determine how effective an insulating barrier can be in respect to different types of frame, glazing, and weather conditions for the control of heat loss. Through the application of this technique, in combination with an appropriate insulating frame and window unit, designers can control the temperature inside the room at close proximity to the windows, in order to contribute to energy saving, aiming towards a building with zero energy demand.

Suggested Citation

  • Anastasios Moumtzakis & Stamatis Zoras & Vasilis Evagelopoulos & Argyro Dimoudi, 2022. "Experimental Investigation of Thermal Bridges and Heat Transfer through Window Frame Elements at Achieving Energy Saving," Energies, MDPI, vol. 15(14), pages 1-14, July.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:14:p:5055-:d:860222
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    References listed on IDEAS

    as
    1. Dascalaki, E.G. & Balaras, C.A. & Gaglia, A.G. & Droutsa, K.G. & Kontoyiannidis, S., 2012. "Energy performance of buildings—EPBD in Greece," Energy Policy, Elsevier, vol. 45(C), pages 469-477.
    2. Baldinelli, G. & Bianchi, F., 2014. "Windows thermal resistance: Infrared thermography aided comparative analysis among finite volumes simulations and experimental methods," Applied Energy, Elsevier, vol. 136(C), pages 250-258.
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    Cited by:

    1. Lee, Jongki & Ali, Akram Syed & Farmarzi, Afshin & Irfan, Urwa & Riley, Christopher & Stephens, Brent & Heidarinejad, Mohammad, 2025. "Assessing the long-term energy performance of automated interior insulating window shades in a high-rise commercial building," Applied Energy, Elsevier, vol. 378(PB).
    2. Varun Kumar & K. Chandan & K. V. Nagaraja & M. V. Reddy, 2022. "Heat Conduction with Krylov Subspace Method Using FEniCSx," Energies, MDPI, vol. 15(21), pages 1-16, October.

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