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Section 2 The Influence of the Building Envelope on modifying the external climate Buildings are modifiers of climate . PowerPoint Presentation
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Section 2 The Influence of the Building Envelope on modifying the external climate Buildings are modifiers of climate . - PowerPoint PPT Presentation


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Section 2 The Influence of the Building Envelope on modifying the external climate Buildings are modifiers of climate . Vernacular solutions to varying local climatic conditions Other important factors associated with site planning and building design The need to service buildings

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Presentation Transcript
slide1
Section 2

The Influence of the Building Envelope on

modifying the external climate

  • Buildings are modifiers of climate.
  • Vernacular solutions to varying local climatic conditions
  • Other important factors associated with site planning and building design
  • The need to service buildings
slide10
Other important factors associated with site planning

and building design

  • Orientation
  • Building shape
  • Heat losses and gains
slide20
Heat Losses from buildings
  • Transmission Losses
  • Exfiltration and Infiltration
slide21
Sensible Heat Gains

Solar Gains

Transmission gains

Infiltration

Latent Heat Gains

Infiltration

External Sources of Heat Gain to Buildings

slide22
Sensible Heat Gains

People

Lighting

Electrical Equipment

Latent Heat Gains

People

Processes

Internal Sources of Heat Gains

slide24

With small buildings the main problem is

generally keeping them warm in winter

slide25

With large buildings the main problem tends

to be keeping them cool in summer

slide26
In addition for the need to provide Heating and

cooling, other systems also need to be provided to

ensure the comfort and well being of people in

buildings

  • Ventilation
  • Water
  • Electricity
  • Gas
  • Drainage