By Peter Gevorkian
Design High-Performance replacement strength structures for Buildings
A complete reference for architects and engineers, this GreenSource ebook presents useful layout and set up guidance for one of the most commercially workable substitute power applied sciences. development fabrics, approach deployment, normal installations, and environmental impression are covered.
Alternative power structures in construction Design comprises details on LEED layout, power conservation, and solar energy financing and go back on funding. energy buy agreements (PPAs) and nationwide and foreign carbon cap and alternate also are mentioned. priceless appendices include distinct layout information tables and authorized apparatus listings.
Alternative power structures in development Design covers:
- Solar energy procedure physics and technologies
- California sun initiative program
- Energy conservation
- Passive heating sun technologies
- Fuel telephone technology
- Wind power technologies
- Ocean power technologies
- Hydroelectric and micro-hydro turbine power
- Geothermal energy
- Biofuel, biogas, and thermal depolymerization technologies
- Fission- and fusion-type nuclear power
- Air pollutants abatement
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Additional info for Alternative Energy Systems in Building Design (GreenSource Books)
5 V of potential energy, which is characteristic of most PN junctions and all solar cells. This miniscule potential resembles in function a small battery with positive and negative leads. These are then connected front to back in series to achieve higher voltages. For example, 48 solar cell modules connected in series will result in 24 V of output. An increase in the number of solar cells within the solar cell bank will result in a higher voltage. This voltage is employed to operate inverters that convert the dc power into a more suitable ac form of electricity.
Besides these physical impediments, the most important disadvantage of semiconductor solar cells is their production cost because production requires a thick layer of silicon in order to have reasonable photon capture rates. The silicon necessary to accomplish this is becoming rare and thus is a very expensive commodity. Some of the measures undertaken to reduce the use of semiconductor-based solar cells have resulted in the development of thin-ﬁlm approaches, which, as discussed earlier, involve the use of P- and N-type semiconductor paste in a type of lithographic printing process.
Semiconductor elements used in electronics are constructed by fusing two adjacently doped silicon wafer elements. Doping implies impregnation of silicon by positive and negative agents, such as phosphor and boron. Phosphor creates a free electron that produces so-called N-type material. Boron creates a “hole,” or a shortage of an electron, that produces so-called P-type material. Impregnation is accomplished by depositing the previously referenced dopants on the surface of silicon using a certain heating or chemical process.
Alternative Energy Systems in Building Design (GreenSource Books) by Peter Gevorkian