Abstract
The building sector is the largest consumer of energy, but there are still major scientific challenges in this field. The façade, being the interface between the exterior and interior space, plays a key role in the energy efficiency of a building. In this context, this paper focuses on a ventilated bioclimatic wall for nearly zero-energy buildings (NZEB). The aim of this study is to investigate an experimental setup based on a hot box for the characterization of the thermal performances of the ventilated wall. A specific ventilated prototype and an original thermal metrology are developed. This paper presents the ventilated prototype, the experimental setup, and the experimental results on the thermal performances of the ventilated wall. The influence of the air space thickness and the air flow rate on the thermal performances of the ventilated wall is studied.
Highlights
The building sector is the industry mainly responsible for energy consumption in Europe [1]
Our experiments are distinguished from standard hot box methods used for the estimation of the thermal resistance of a wall in steady-state regime by using a calibrated hot box or guarded hot box such as EN ISO 8990
This work describes an experimental study on the thermal performance of a ventilated bioclimatic wall
Summary
The building sector is the industry mainly responsible for energy consumption in Europe [1]. Reducing the energy consumption and the emission of gases from buildings has become a recent priority in Europe. In this context, France is placing the construction sector at the center of its strategy to meet this challenge [2]. Buildings must ensure low energy consumption and comfortable environment quality. The building envelope has one of the largest impacts on building energy consumption. These aspects generate innovative façade design [3,4]. A ventilated façade can be a response to this approach [5]
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