Possibilities and Challenges of Different Experimental Techniques for Airflow Characterisation in the Air Cavities of Façades

Authors

  • Emanuela Giancola Ciemat, Department of Energy, Energy Efficiency in Buildings Unit
  • M. Nuria Sánchez Ciemat, Department of Energy, Energy Efficiency in Buildings Unit
  • Matthias Friedrich HafenCity University Hamburg
  • Olena Kalyanova Larsen Aalborg University
  • Alessandro Nocente Norwegian University of Science and Technology
  • Stefano Avesani Eurac Research, Institute for Renewable Energy
  • Francesco Babich Eurac Research, Institute for Renewable Energy
  • Francesco Goia Norwegian University of Science and Technology

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DOI:

https://doi.org/10.7480/jfde.2018.3.2470

Keywords:

façade characterisation, experimental techniques, airflow monitoring, tracer gas, velocity profile, ultrasound, pressure difference, PIV, LDV, temperature profile & heat flux

Abstract

Ventilated façades are applied in both new and existing buildings. It has been claimed that these components help to reduce energy use in buildings and improve occupant comfort. However, their performance strongly depends on the airflow passing through the cavity. In order to characterise and to model the behaviour of the ventilation and its effectiveness, the components need to be tested in the laboratory, as well as under real dynamic weather conditions. Despite the steadily growing research in this area, there are few studies with conclusive results about the reliability of existing experimental procedures for characterisation of airflow in the ventilated cavities. The aim of this paper is to describe and review recent state of the art experimental assessments for the airflow characterisation in ventilated cavities. The paper starts with a short introduction on the potentialities and limitations of different experimental methodologies, and continues with a detailed classification and description of the most relevant monitoring techniques for airflow in air cavities of façades that have been developed in recent years.

How to Cite

Giancola, E., Sánchez, M. N., Friedrich, M., Kalyanova Larsen, O., Nocente, A., Avesani, S., Babich, F., & Goia, F. (2018). Possibilities and Challenges of Different Experimental Techniques for Airflow Characterisation in the Air Cavities of Façades. Journal of Facade Design and Engineering, 6(3), 34–48. https://doi.org/10.7480/jfde.2018.3.2470

Published

2018-11-26

Issue

Vol. 6 No. 3 (2018): Special Issue Adaptive Facades Network

Section

Articles

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Copyright (c) 2018 Emanuela Giancola, M. Nuria Sánchez, Matthias Friedrich, Olena Kalyanova Larsen, Alessandro Nocente, Stefano Avesani, Francesco Babich, Francesco Goia

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

Authors or their institutions retain copyright to their publications without restrictions.

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