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CEE 370 Environmental Engineering Principles

Lecture #10

Energy Balances Reading: Mihelcic & Zimmerman, Section 4.2 & 4.3

Davis & Masten, Chapter 4

Updated: 30 September 2015 Print version

Conservation of Energy

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Energy Balances

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Common Forms of Energy

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GHG Effect

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• What are greenhouse gases? • What are affects of GHGs? • Are GHGs bad?

Solar Radiation & Climate Change

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Global Average CO2 Concentration Trend

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Why?

Climate Change Scenarios

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Rural vs. Urban Temperatures

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Heat Distribution in Different Areas

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Why?

Urban Shallow Layer Energy Balance

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Comparison of the American Home

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Energy Use for Small vs. Large Homes

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Sustainable Design for Temperature Regulation

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a) Thermal walls for heat transfer and dissipation

b) Ventilation systems for natural heating

c) Ventilation systems for natural cooling

d) Overhangs to regulate effects from sun

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