Calcul de la déperdition thermique d'un local

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Introduction

The course "Calcul de la déperdition thermique d'un local" offered on Coursera is an exceptional opportunity for individuals interested in building energy performance and thermal analysis. This course provides a comprehensive overview of the fundamental principles and practical methods for calculating thermal losses in buildings, making it highly relevant for architects, engineers, energy consultants, and building managers. **Course Overview:** Designed to equip learners with both theoretical knowledge and practical skills, this course covers essential topics such as heat transfer modes, thermal resistance, and the calculation of heat losses through different building components like walls, roofs, windows, and floors. It also delves into heat loss due to air exchange, providing a holistic view of building energy efficiency. **What You Will Learn:** - Basic concepts of building thermal science including heat, temperature, and thermal transmission. - Different modes of heat transfer: conduction, convection, and radiation, along with associated resistance and conductivity coefficients. - Techniques for calculating heat losses through opaque and transparent building elements using standard formulas and tables. - The impact of natural and mechanical ventilation on thermal losses. - Practical case studies involving detailed heat loss assessments of actual local buildings. - Strategies for reducing energy consumption through improved insulation, better glazing solutions, and mechanical ventilation systems. - An introduction to thermal simulation software, aiding in more precise analysis and optimization. **Course Structure:** The program is divided into seven modules, starting with foundational concepts and progressing towards advanced practical applications. The inclusion of case studies and hands-on exercises ensures that learners can apply their knowledge effectively. The final assessment via exercises and a mini-project consolidates understanding and skills. **Recommendation:** I highly recommend this course to anyone seeking a thorough understanding of thermal losses in buildings and how to optimize energy performance. Its blend of theoretical grounding, practical tools, and real-world case studies makes it suitable for both beginners and professionals looking to deepen their expertise. By completing this course, participants can confidently perform thermal analyses, contribute to energy-efficient building designs, and recommend effective mitigation solutions. Whether you are a student, a professional in the construction or energy sector, or simply an enthusiast eager to learn about building thermodynamics, this course will undoubtedly enhance your knowledge and skills in thermal calculations and energy management in buildings.

Overview

Description du cours:Ce cours a pour objectif de former les apprenants aux principes fondamentaux et aux méthodes de calcul des déperditions thermiques dans un local. À travers des apports théoriques, des outils pratiques et des études de cas, les participants apprendront à analyser les pertes de chaleur par les différentes parois du bâtiment (murs, toitures, fenêtres, planchers) et par renouvellement d'air.Ce savoir-faire est essentiel pour:dimensionner correctement un système de chauffage,évaluer la performance énergétique d'un bâtiment,proposer des solutions d'amélioration (isolation, ventilation, etc.).Programme détaillé du cours: Module 1 - Introduction à la thermique du bâtimentNotions de base: chaleur, température, transmission thermiquePourquoi calculer les déperditions ? (enjeux énergétiques et économiques)Vue d'ensemble des sources de déperdition dans un localModule 2 - Les modes de transfert de chaleurConduction, convection, rayonnement: définitions et exemplesRésistance thermique (R) et conductivité (λ)Coefficient de transmission thermique (U)Module 3 - Calcul des déperditions par transmissionMéthodologie de calcul: formule Φ = U × S × ΔTParois opaques: murs, planchers bas, toituresParois vitrées: fenêtres, portes, baies vitréesApplication avec des tableaux de valeurs usuellesModule 4 - Déperditions par renouvellement d'airDéperditions dues à la ventilation naturelle ou mécaniqueCas d'infiltrations d'air non contrôléesMéthode de calcul et exemplesModule 5 - Étude de cas pratiqueRelevé d'un local (superficie, matériaux, isolation)Calcul détaillé des déperditions poste par posteBilan global des pertes thermiquesDimensionnement indicatif d'un chauffageModule 6 - Réduction des déperditionsSolutions techniques: isolation, vitrages performants, VMC double fluxÉvaluation des gains énergétiquesIntroduction aux logiciels de simulation thermiqueModule 7 - Exercices & ÉvaluationExercices de calculs simplesMini-projet d'analyse thermique d'un localQCM de validation des acquis

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