Reducing Energy Transfer

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Loft Insulation
Thick layer of fibreglass wool spread across the whole of the loft floor to reduce CONDUCTION and RADIATION into the roof space from the ceiling
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Hot Water Tank Jacket
Lagging such as fibreglass wool to stop heat loss by CONDUCTION and RADIATION
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Double Glazing
Two layers of glass with a narrow air gap between them to reduce CONDUCTION and CONVECTION
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Thick Curtains
Big bits of cloth around the windows to reduce heat loss by CONDUCTION and RADIATION
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Cavity Wall Insulation
Foam squirted in the gaps between bricks to stop CONVECTION currents from being set up in the gaps and RADIATION across the gaps. The insulating foam and air pockets help reduce heat loss by CONDUCTION
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Drought-proofing
Strips of foam and plastic around doors and windows stop cold air blasting in. It helps reduce heat loss by CONVECTION
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Humans - hair
In the cold, the hairs on your skin "stand up" and trap a thick layer of insulating air around the body. This limits the amount of heat loss by CONVECTION
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Humans - clothing
The pockets of air trapped in the clothes and between layers mainly reduce heat transfer by CONDUCTION and CONVECTION. They also reduce heat loss by RADIATION as the material absorbs some heat radiated out by our bodies
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Other cards in this set

Card 2

Front

Lagging such as fibreglass wool to stop heat loss by CONDUCTION and RADIATION

Back

Hot Water Tank Jacket

Card 3

Front

Two layers of glass with a narrow air gap between them to reduce CONDUCTION and CONVECTION

Back

Preview of the back of card 3

Card 4

Front

Big bits of cloth around the windows to reduce heat loss by CONDUCTION and RADIATION

Back

Preview of the back of card 4

Card 5

Front

Foam squirted in the gaps between bricks to stop CONVECTION currents from being set up in the gaps and RADIATION across the gaps. The insulating foam and air pockets help reduce heat loss by CONDUCTION

Back

Preview of the back of card 5
View more cards

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