Developing a spatial- and technology - policy to provide domestic comfort to the urban inhabitants o...
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Developing a spatial- and technology - policy to provide domestic comfort to the urban inhabitants of North Western Europe. Karel Mulder,. Problem. climate change, 3-5 ˚ C until 2100 urban heat islands, up to 7 ˚ C warmer Enhanced urban heat effect, 1 ˚ C. More heat waves

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Karel mulder

Developing a spatial- and technology - policy to provide domestic comfort to the urban inhabitants of North Western Europe

  • Karel Mulder,


Problem

Problem

  • climate change, 3-5 ˚C until 2100

  • urban heat islands, up to 7 ˚C warmer

  • Enhanced urban heat effect, 1 ˚C


Karel mulder

  • More heat waves

  • Increased mortality

  • Airconditioners are introduced where they were not used thusfar: Summer peak in electricity:

  • Problem: cooling water for power stations


Options at various levels

Options at various levels

  • City planning: cooling effect of parks, rivers, lakes, canals

  • Neighbourhoods: trees, ponds, road (materials)

  • Buildings: roofs, (vegetation/reflection/hot water production), construction, orientation, insulation, materials

  • Sustainable Cooling:

    • geothermal cold (energy balance), efficient heat exchangers

    • Waste heat for cooling? Absorption chillers.


The outline of a research program

The outline of a research program


Heat absorption cooling a win win win situation

Heat absorption cooling:A win-win-win situation?

Industry: ban on cooling water discharge if water temperatures exceed 28˚C

Utilities: no new demand peak in electricity

Consumers: ?

All: less CO2


A lock in barriers

A Lock in?Barriers?

Sufficiency of passive measures?

What if industry has less waste heat in future?

A centralized cooling grid in combination with aquifers or sea water?

Will there be efficient, smaller scale absorption coolers?


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