Estudio experimental del rendimiento térmico de la cavidad de aire de fachadas ventiladas opacas en condiciones de viento extremo: estudio de caso Bakú

Gulchohra  Mammadova; Arif  Sharifov; Samira  Akbarova

doi:10.3989/ic.74247

Autores/as

Gulchohra Mammadova Azerbaijan University of Architecture and Construction https://orcid.org/0000-0003-2486-0788
Arif Sharifov Azerbaijan University of Architecture and Construction https://orcid.org/0000-0003-1235-9929
Samira Akbarova Azerbaijan University of Architecture and Construction https://orcid.org/0000-0002-0916-7734

DOI:

https://doi.org/10.3989/ic.74247

Palabras clave:

Fachada ventilada opaca, investigación experimental a gran escala, velocidad del aire de la cavidad, velocidad del viento, articulaciones cerradas, resistencia termica, características térmicas

Resumen

El uso generalizado de fachadas opacas ventiladas, hace que la investigación de su rendimiento térmico sea relevante porque existe la necesidad de una evaluación objetiva de su eficiencia energética en la etapa operativa. El artículo está dedicado a la investigación experimental a gran escala de las características térmicas de una cavidad de aire del sistema de fachada ventilada de forma natural con juntas cerradas, bajo condiciones extremas de viento, comparando las características térmicas de la cavidad de aire, se basa en cálculos que cumplen con los estándares de construcción y en los resultados del experimento a escala. Se utilizaron equipos de medición Testo 435 y 417. Se obtuvo una ecuación empírica aproximada entre la velocidad del viento cuando es superior a 7 m/s y la velocidad del aire de la cavidad. Un aumento en la velocidad del viento a lo largo de la pared conduce a un aumento en la velocidad del aire de la cavidad, que se acerca a 1-1.5 m/s y una disminución en la resistencia térmica. Los resultados del cálculo, se pueden usar para el control experimental de las características térmicas de la fachada con el fin de cumplir con una auditoría energética multidisciplinaria del edificio.

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