Sustainable Energy - Without the Hot Air
4.3. Planes II http://www.ck12.org Figure C.13:Hydrofoil. Photograph by Georgios Pazios. Many boats are birds too Some time afte ...
http://www.ck12.org Chapter 4. Technical Chapters solved by switching strategy: not throwing air down, but being as light as air ...
4.3. Planes II http://www.ck12.org Ekranoplans The ekranoplan, or water-skimming wingship, is a ground-effect aircraft: an aircr ...
http://www.ck12.org Chapter 4. Technical Chapters Further reading: Tennekes (1997), Shyy et al. (1999). ...
4.4. Solar II http://www.ck12.org 4.4 Solar II we listed four solar biomass options: a. “Coal substitution.” b. “Petroleum subst ...
http://www.ck12.org Chapter 4. Technical Chapters Figure D.2:Oilseed rape. If used to create biodiesel, the power per unit area ...
4.4. Solar II http://www.ck12.org Bioethanol from corn in the USA The power per unit area of bioethanol from corn is astonishing ...
http://www.ck12.org Chapter 4. Technical Chapters more mass per carbon atom than the molecules in algae). If all theCO 2 from al ...
4.4. Solar II http://www.ck12.org generate 50000m^3 per hour of methane. In 1994, landfill methane emissions were estimated to b ...
http://www.ck12.org Chapter 4. Technical Chapters Bioethanol from cellulose.See also Mabee et al. (2006). Jatropha.Sources: Fran ...
4.5. Heating II http://www.ck12.org 4.5 Heating II A perfectly sealed and insulated building would hold heat for ever and thus w ...
http://www.ck12.org Chapter 4. Technical Chapters useries combination= 1 ( 1 u 1 + 1 u 2 ). There’s a worked example using this ...
4.5. Heating II http://www.ck12.org U-values of walls, floors, roofs, and windows. power (watts)=C N 1 h V(m^3 )∆T(K) (E. 1 ) = ...
http://www.ck12.org Chapter 4. Technical Chapters Figure E.3:U-values required by British and Swedish building regulations. wher ...
4.5. Heating II http://www.ck12.org Figure E.5:Temperature demand in Cambridge, in degree-days per year, as a function of thermo ...
http://www.ck12.org Chapter 4. Technical Chapters Figure E.6:The temperature demand in Cambridge, 2006, replotted in units of de ...
4.5. Heating II http://www.ck12.org Figure E.7:My house. TABLE4.13: Conductive leakiness area(m^2 ) U-value(W/m^2 /◦C) leakiness ...
http://www.ck12.org Chapter 4. Technical Chapters I’ve highlighted the parameters that I altered after 2006, in modifications to ...
4.5. Heating II http://www.ck12.org TABLE4.15: Cavity-wall insulation (applicable to two-thirds of the wall area) 4.8 kWh/d Imp ...
http://www.ck12.org Chapter 4. Technical Chapters In 1984, an energy consultant, Alan Foster, built an energy-efficient house ne ...
«
13
14
15
16
17
18
19
20
21
22
»
Free download pdf