Introduction to Solar Energy Energy Conversion I Week 1.2.1 Arno - PowerPoint PPT Presentation

Introduction to Solar Energy Energy Conversion I Week 1.2.1 Arno Smets

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Energy  Joules (J) Power = Energy/Time  Watts (W) 1 W = 1 J/s 1 kWh = 1kW x 1h = 3.6 MJ

The Energy Problem Growing world population

The Energy Problem Energy Shortage Increasing living standard: Energy consumption per capita (Source: Wikipedia)

The Energy Problem Energy Shortage Ann. Averg. Oil price (in 2008 USD) 120 100 80 60 40 20 0 1900 1920 1940 1960 1980 2000 Time Source: BP workbook of historical data

Carbon Dioxide Concentration Parts per million by volume 380 360 Direct Measurements Ice Core Measurements 340 320 300 280 260 1750 1800 1850 1900 1950 2000 Source: Trends in atmospheric CO 2 ESRL-GMD

The Energy Problem Global Temperature Climate change Global Temperature Anomaly (C) 0.6 Hottest 12 months on record June 2009 to May 2010 0.4 0.2 0 - 0.2 NASA GISS 12 months running average - 0.4 1880 1900 1920 1940 1960 1980 2000