Sustainable Energy - Without the Hot Air
4.5. Heating II http://www.ck12.org Figure E.11:The Heatkeeper’s heat-exchanger. For the first decade, the heat was supplied ent ...
http://www.ck12.org Chapter 4. Technical Chapters The William Gates building at Cambridge University holds computer science rese ...
4.5. Heating II http://www.ck12.org Figure E.13: Ideal heat pump efficiencies. Top left: ideal electrical energy required, accor ...
http://www.ck12.org Chapter 4. Technical Chapters These theoretical limits could only be achieved by systems that pump heat infi ...
4.5. Heating II http://www.ck12.org Thermal conductivities. For more data see table. whereκis the conductivity of the ground,Cis ...
http://www.ck12.org Chapter 4. Technical Chapters about one third of a cycle (figure E.17). At a depth of 3z 0 , the variations ...
4.6. Waves II http://www.ck12.org 4.6 Waves II The physics of deep-water waves Waves contain energy in two forms: potential ener ...
http://www.ck12.org Chapter 4. Technical Chapters to crest. In waves this high, a man in a dinghy can’t see beyond the nearest c ...
4.6. Waves II http://www.ck12.org Waves have kinetic energy as well as potential energy, and, remarkably, these are exactly equa ...
http://www.ck12.org Chapter 4. Technical Chapters 4.7 Tide II Power density of tidal pools To estimate the power of an artificia ...
4.7. Tide II http://www.ck12.org that we estimate the power of ordinary wind-generated waves. The next section describes a stand ...
http://www.ck12.org Chapter 4. Technical Chapters The power of tidal waves This section, which can safely be skipped, provides m ...
4.7. Tide II http://www.ck12.org The peak kinetic-energy flux at any section is KBV= 1 2 ρAU^3 , (G. 4 ) whereAis the cross-sect ...
http://www.ck12.org Chapter 4. Technical Chapters Moreover, estimates based on the kinetic-energy-flux method incorrectly assert ...
4.7. Tide II http://www.ck12.org spots, my estimates may be over-estimates. Let’s assume that the rules for laying out a sensibl ...
http://www.ck12.org Chapter 4. Technical Chapters Figure G.7:Regions around the British Isles where peak tidal flows exceed 1 m/ ...
4.7. Tide II http://www.ck12.org TABLE4.20:(continued) Region U(knots) N U(knots) S power density (W/m^2 ) area(km^2 ) average p ...
http://www.ck12.org Chapter 4. Technical Chapters spaced five diameters apart, won’t radically alter the flow. The natural frict ...
4.7. Tide II http://www.ck12.org which is roughly a factor of 4. Table shows the theoretical power density that pumping could de ...
http://www.ck12.org Chapter 4. Technical Chapters Figure G.12:Different ways to use the tidal pumping trick. Two lagoons are loc ...
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