SPU25_Section_20180329.pdf - Shaojie Song April 1 2018(a 500 MW = 500 x 106 W One week = 7 days = 7 x 24 hours 500 x 106 W x 7 x 24 hours = kWh(b kWh

# SPU25_Section_20180329.pdf - Shaojie Song April 1 2018(a...

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Shaojie Song March 29, 2018 April 1, 2018
(a) 500 MW = 500 x 10 6 W One week = 7 days = 7 x 24 hours 500 x 10 6 W x 7 x 24 hours = ? kWh (b) ? kWh / 2460 kWh = ? tons (c) ? kWh / (8.76x10 9 kWh/ton) = ? ton 1 metric ton = 10 3 kg
2.5 MW x 30% = ? MW Read from graph
Energy need: 100 kWh/building per day * 155 buildings = ? kWh per day 30% of energy need: ? kWh per day x (0.3) = ? kWh per day Area of south-facing roofs: 75 buildings * 50 m 2 per building = ? m 2 Energy output from roofs: ? m 2 * (1 kWh per day/1 m 2 ) = ? kWh per day Compare energy outputs and needs
Isotope Relative abundance Half-life (yr) 234 U 0.0055% 245,500 235 U 0.72% 7.038×10 8 238 U 99.275% 4.468×10 9
Boiling Water Nuclear Reactor - fusion/applications-nuclear-fission.php
( om/faq.htm) The power extracted from the wind by the wind turbine: (W. E. Leithead, 2007) Maximum C p is given by

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