The Physics of Hot Air - With Shaun Fitzgerald

Explore the physics of hot air and its impact on building ventilation in this Royal Institution lecture by Director Shaun Fitzgerald. Discover how innovative research has revolutionized building ventilation systems, leading to significant energy usage reductions. Delve into topics such as mechanical ventilation schemes, principles of natural ventilation, maximizing displacement ventilation, and the use of water bath and CFD modeling. Examine case studies including the Birmingham Town Hall and Contact Theatre, and learn about hybrid designs incorporating both displacement and mixing ventilation strategies. Gain insights into recommended winter and summer ventilation strategies, and understand the potential for improving energy efficiency in buildings worldwide.

Intro
Royal Institution and Ventilation
House of Commons
House of Lords
Mechanical Ventilation Scheme
Principles of Natural Ventilation
Simple Spaces
Maximising Displacement Ventilation
Birmingham Town Hall
Water Bath Modelling
CFD Modelling
Exposed Thermal Mass
Temperature Measurements
Survey Results
Opportunity for Improvement
Multiple Stacks
Case Study - Contact Theatre
Underfloor Supply Concept
Conventional Natural Ventilation
Recommended Winter Strategy
Recommended Summer Strategy
Monkseaton School, Newcastle
Hybrid Designs
Displacement Ventilation Design
Mixing Ventilation Design
Summary