TB Infection Control
Natural Ventilation: Theory
This presentation covers:
Purpose of ventilation
Types of natural ventilation:
• Buoyancy (stack effect; thermal)
• Pressure driven (wind driven; differential pressure)
Applications
• Supply of outdoor air
• Convective cooling
• Physiological cooling
Issues
• Weather-dependence: wind, temperature, humidity
• Outdoor air quality
• Immune compromised patients
• Building configuration (plan, section)
• Management of openings
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