Green Infrastructure
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Green Infrastructure

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  • The focus this week is on decarbonising cities so with that in mind...Cover;Distributed energy
  • The focus this week is on decarbonising cities so with that in mind...Cover;Distributed energy
  • The focus this week is on decarbonising cities so with that in mind...Cover;Distributed energy
  • Not a new conceptHas been around since Roman times in the form of district heatingExamplesNew YorkSteam Pipe SystemUtility companyCon Edison – Pearle st
  • Not a new conceptHas been around since Roman times in the form of district heatingExamplesBattersea Power StationNew York
  • Not a new conceptHas been around since Roman times in the form of district heatingExamplesBattersea Power StationNew York
  • Not a new conceptBattersea Power Station (after 2nd WW)
  • A couple of things happened that changed our viewCentralised energy Joule's Law, they also knew that the capacity of a wire is proportionate to the square of the current travelling on it, regardless the voltage, and so by doubling the voltage, the same cable would be capable of transmitting the same amount of power four times the distance.Turbines generating HVCombination of technology seen as a better business modelEconomies of scaleDistances overcome by HV transmissionHealth Issues1952 – 12,000 die in a 3 month long smog ‘episode’
  • What happened next?Climate ChangeStationary Energy is the big ticket item...How can it be addressedFossil fuel contributions to carbon productionSome figures and tables....?
  • How can DE Reduce GHGe?Use less greenhouse intensive fuels
  • Colusa Casino6MW reciprocating cogeneration facility utilising high temperature water system feeding absorption chillers serving air conditioning demand
  • A fuel cell converts the chemical energy from a fuel directly into electricity and heat. When operated on hydrogen, the fuel cell produces energy with the only by-product being H2O. Internal fuel reforming allows the extraction of hydrogen from alternative fuels such as natural gas or any other hydrogen containing fuel.When utilising a hydrogen powered fuel cell, no carbon is emitted at site
  • A flavour of how it works here
  • A flavour of how it works here
  • Reduce the peaksGet rid of the expensive stuffHelp with embedding distributed energy
  • Renewables have role to playWind turbinesDifferent shapes and sizesCan be used in urban areas butinconsistant wind patterns through a built up environmentMicro (Windpods)Pros and Cons
  • Crystalline SiliconCrystalline silicon panels are constructed by first putting a single slice of silicon through a series of processing steps, creating one solar cell. These cells are then assembled together in multiples to make a solar panel. Crystalline silicon, also called wafer silicon, is the oldest and the most widely used material in commercial solar panels. Thin FilmThin film solar panels are made by placing thin layers of semiconductor material onto various surfaces, usually on glass. The term thin film refers to the amount of semiconductor material used, which is thinner than the width of a human hair. Contrary to popular belief, most thin film panels are not flexible. Thin film solar panels offer the lowest manufacturing costs, and are becoming more prevalent in the industry.
  • Direct Geoexhange Heat Pumps (DGHPs) can provide chilling, heating and hot water via refrigerant-carrying copper loops buried in the ground. These act as a condenser to achieve higher efficiency than equivalent air source heat pumps because of the ground’s constant heat capacity

Green Infrastructure Green Infrastructure Presentation Transcript