Complexity And The Environment

About The Speaker ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Renewable Energy – Powering Your Future Gavin D. J. Harper

Why Renewables? ,[object Object],[object Object],[object Object],[object Object]

Hubbert’s Peak ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Hubbert’s Peak Theory ,[object Object]

Climate Change ,[object Object]

Concerns About Renewables ,[object Object],[object Object]

Concerns - Intermittency ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Solar Energy Stats ,[object Object],[object Object]

Seasonal Variation (Northern Hemisphere)

Orient Solar Collectors To Maximise Power Output

Angle of Incidence Affects Power Output ,[object Object]

History of the Solar Cell ,[object Object],[object Object],[object Object],[object Object]

Types of Solar Cell ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Phosphorus Doping ‘Adds’ an Electron

Boron Doping ‘Removes’ an Electron

Monocrystalline Solar Cell ,[object Object],[object Object]

Nanosolar Source: www.treehugger.com

Nanosolar ,[object Object],[object Object],[object Object],[object Object]

Photovoltaic Organic LED’s Source: www.ecogeek.org

Photovoltaic Organic LED’s ,[object Object],[object Object],[object Object],[object Object]

Holographic Solar Cells Source: www.prismsolar.com

Holographic Solar Cells ,[object Object],[object Object],[object Object],[object Object],[object Object]

‘ EnviroMission’ Solar Tower Source: www.ecogeek.org

‘ EnviroMission’ Solar Tower ,[object Object],[object Object],[object Object],[object Object],[object Object]

Hydropower Technologies ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Wave Power ,[object Object],[object Object]

Hydropower Physics ,[object Object],[object Object]

Hydropower Physics ,[object Object],[object Object],[object Object],[object Object],[object Object]

Hydropower Physics ,[object Object],[object Object],[object Object]

Biofuels ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Biogas ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Waste as a Resource Waste Pyrolysis Synthesis Gas Combustion Heat & Power ,[object Object],[object Object],[object Object]

Waste as a Resource Science 7 July 2006: Vol. 313. no. 5783, p. 25 DOI: 10.1126/science.313.5783.25d 250 Tonnes of Chocolate Volume = 33 Double Deckers 33 of these Not these

Waste as a Resource ,[object Object]

Biodiesel ,[object Object],[object Object],[object Object]

The Chemistry of Biodiesel Triglyceride (Vegetable Oil)

Algae ,[object Object],[object Object],[object Object]

Power Available From The Wind ,[object Object],[object Object],[object Object],[object Object],[object Object]

Density of Air ,[object Object],[object Object]

What Does This Tell Us? Energy available to the turbine increases as a ‘ cube’ of wind speed Economies of scale with scaling up turbines. Power increases as a square of the radius of the turbine.

Suggested Reading ,[object Object],[object Object],[object Object],[object Object]

Betz’ Law ,[object Object],[object Object],[object Object]

Wind Energy Myths ,[object Object],[object Object],[object Object],[object Object],[object Object]

Climate Change ,[object Object],[object Object]

‘Wind Trees’ Source: www.inhabitat.com

‘Wind Trees’ ,[object Object],[object Object],[object Object],[object Object]

Grimshaw Aerogenerator Source: www.ecogeek.org

Grimshaw Aerogenerator ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Display Turbines Source: www.ecogeek.org

Display Turbines ,[object Object],[object Object],[object Object],[object Object]

Hydrogen Fuel Cells ,[object Object],[object Object],[object Object],[object Object],[object Object]

Significance of Hydrogen for Renewable Energy ,[object Object],[object Object],[object Object]

How Fuel Cells Integrate With Renewables

Types of Fuel Cell ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Hydrogen In Oxygen In Exhaust Out Proton Exchange Membrane Catalyst Electrical Current

H H H H + + H H + + e - e - e - e - e -

O O e - e - e - e - e - H H + + H H + + O O

O O H 2 O H 2 O H 2 O H H + + e - e -

Hydrogen Production ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Fuel Cell Applications ,[object Object],[object Object],[object Object],[object Object],[object Object]

Technology Status ,[object Object],[object Object],[object Object],[object Object],[object Object]

Further Reading ,[object Object],[object Object]

The Obligatory Book Plug Solar Energy Projects for the Evil Genius Mc Graw Hill Professional ISBN-10: 0071477721 ISBN-13: 978-0071477727 Gavin D. J. Harper TREMENDOUS VALUE At the meagre sum of… £12.47 (www.amazon.co.uk) $16.47 (www.amazon.com)

Complexity And The Environment

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Complexity And The Environment