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Thermal Transmission through Existing Building Enclosures: Destructive Monitoring in Intermediate Layers versus
Víctor Echarri1, Almudena Espinosa2, Carlos Rizo3
1Department of Architectural Constructions, University of Alicante, Carretera San Vicente del Raspeig, s/n, 03690 San Vicente del Raspeig, Spain. victor.echarri@ua.es.
Building enclosures significantly impact indoor comfort and energy use. This study used destructive monitoring and a temperature correction algorithm to analyze heat transfer dynamics and inform energy-saving construction solutions.
Area of Science:
- Building Science
- Thermal Engineering
- Sustainable Architecture
Background:
- Building enclosures are critical for indoor comfort and energy efficiency.
- Solar radiation and material thermal inertia dynamically influence heat transfer.
- Dynamic heat transfer affects comfort parameters and daily/annual energy demand.
Purpose of the Study:
- To conduct destructive monitoring of an existing building enclosure.
- To analyze the dynamic heat transfer through multi-layer building envelopes.
- To develop and apply a temperature data correction algorithm for accurate measurements.
Main Methods:
- Destructive monitoring of a multi-layer building enclosure in Alicante.
- Deployment of temperature (PT100), air velocity, and humidity sensors.
- Installation of a pyranometer for solar radiation measurement.
- Development and application of a temperature data correction algorithm using Raspberry Pi.
Main Results:
- Accurate measurement of temperature gradients across enclosure layers.
- Quantification of surface temperatures and indoor/outdoor air temperatures.
- Comparison of destructive monitoring results with non-destructive systems.
- Determination of thermal transmittance values.
Conclusions:
- The developed remote sensing system provides accurate data on building enclosure performance.
- This methodology can quantify and compare energy savings from different construction solutions.
- The study offers insights into optimizing building envelopes for enhanced comfort and reduced energy consumption.
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