what will a smart city look like in the future?

02Jul13

Urban sustainability: what will a smart city look like in the future?

By 2050 there will be five billion urbanites, but, with pressure on resources and climate disruption, how will cities cope? New technology and conceptual design will be vital

Emma Stewart

As buildings typically account for the majority of end-use energy, she may first want to determine which of the city’s buildings are suitable for energy retrofits. She can capture information about the building with a camera, satellite images online, or a more new-fangled laser scan. From there, she can run an energy simulation online to tell her how the building could perform when optimised.

Perhaps the most simple of retrofits is a cool roof to reduce cooling loads during hot weather. To assess the city’s rooftops, she can analyse roof type, excluding complex or pitched roofs, or those already committed to other functions. She can also consider where rooftop photovoltaics (PV) make sense based on sun insolation values embedded in the software. To understand daylighting, the program tells her where the sun and its shadows will be at every hour of every day of the year. She might then connect to an economic calculator to determine whether PV panels make better economic sense than cool roofs for this district.

Read the full article here

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