Wolfgang Kessling: How to air-condition outdoor spaces

The video discusses the challenges of hosting the 2022 World Cup in Qatar's hot climate and the innovative solutions developed to ensure comfort for players and spectators. It explains the concept of thermal comfort, which involves more than just air temperature, and analyzes past sports events to understand comfort levels. The video outlines design strategies, including shading and radiant cooling, and emphasizes the use of solar energy for sustainable cooling. It also explores the application of these concepts in urban environments like Masdar City.

What is the main challenge Qatar faces in hosting the World Cup?

• High temperatures during summer

• Lack of stadiums

• Political instability

• Insufficient funding

Which factor is often confused with thermal comfort?

• Sunlight

• Humidity

• Wind speed

• Ambient temperature

In which city did spectators find the games uncomfortable due to high humidity?

• Athens

• Seoul

• Orlando

• Mexico City

What is the perceived temperature?

• The temperature of the sun

• A parameter combining various climatic factors

• A measure of humidity

• The actual air temperature

Which of the following is NOT a factor influencing thermal comfort?

• Direct sunlight

• Wind speed

• Air pressure

• Radiant temperature

What technology is proposed to help cool the stadiums in Qatar?

• Air conditioning

• Radiant cooling

• Geothermal cooling

• Evaporative cooling

How is solar energy utilized in the stadiums?

• Stored in batteries

• Used directly for lighting

• Harvested and sent to the grid

• Converted to wind energy

What is the purpose of shading in the stadium design?

• To enhance visibility

• To protect spectators from strong sun

• To reduce wind speed

• To protect against rain

Where else is the solar cooling concept being applied?

• Dubai

• Masdar City

• Riyadh

• Doha

What is encouraged for individuals regarding thermal comfort?

• To ignore it

• To pay attention to it

• To rely on air conditioning

• To avoid outdoor activities