By Stan Gibilisco
DeMYSTiFieD fuels your wisdom of tough topics like replacement energy
If you think that a Maglev educate is a kid's toy, or studying approximately fusion makes your mind succeed in severe mass, Alternative power DeMYSTiFieD, moment version will strength up your wisdom of this topic's basic strategies and theories at your personal pace.
This useful consultant eases you into this box of technological know-how, beginning at primitive heating assets corresponding to coal and wooden. As you move, you are going to grasp the technological know-how in the back of substitute energies resembling evaporative cooling, fuel-cell cars, aeroelectric energy, and extra. you'll comprehend the variation among traditional fluorescent and compact fluorescent lamps in addition to the advantages of large-scale wind strength. distinct examples make it effortless to appreciate the fabric, and end-of-chapter quizzes and a last examination aid strengthen key ideas.
It's a no brainer! you will study about:
- Passive sunlight heating
- Thermal-mass cooling
- Propulsion with biofuels
- Electric autos
- Large-scale hydropower
- Semiconductor lamps
- Geothermal power
Simple adequate for a newbie, yet not easy sufficient for a sophisticated pupil, Alternative strength DeMYSTiFieD, moment variation is your shortcut to a operating wisdom of this well timed topic.
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Additional info for Alternative Energy Demystified
A small amount of CFC can destroy large numbers of ozone molecules. Ozone helps to shield the earth’s surface from excessive solar UV rays. Alternative Energy Demystiﬁed 56 • The air that comes from a heat pump is near 35ºC (95ºF). This is warmer than the typical indoor environment, but it won’t heat up a cold house very fast. • Heat pumps are relatively expensive to install new. This is especially true of the deep ground source type. It may take a long time for a new system to pay for itself. Quiz This is an “open book” quiz.
In addition, it burns hotter. This will necessitate changes in pipeline and furnace design. As of this writing, even though hydrogen is the most abundant element in the universe, it does not occur in its free form on earth in quantities that make it easy to utilize as fuel. Numerous methods exist to produce hydrogen by separating it out from chemical compounds containing it, but at the time of this writing, all of these technologies are expensive and inefﬁcient. CHAPTER 2 Heating with Oil and Gas 31 Propane Heating Propane is the term for liqueﬁed petroleum (LP) gas.
In the case of pure water, it takes 540 cal (2260 J) to convert 1 g of liquid at ϩ100ºC to 1 g of vapor at ϩ100ºC. In the reverse scenario, if 1 g of pure water vapor at ϩ100ºC condenses completely and becomes liquid at ϩ100ºC, it gives up 540 cal (2260 J) of energy. This quantity varies for different substances, and is called the heat of vaporization for the substance. If the heat of vaporization (in calories per gram or joules per gram) is symbolized hv, the heat added or given up by a sample of matter (in calories or joules, respectively) is symbolized h, and the mass of the sample (in grams) is symbolized m, then: hv ϭ h/m PROBLEM 3-4 Suppose a certain substance changes from liquid to vapor (or vice versa) at ϩ500ºC under normal atmospheric pressure.
Alternative Energy Demystified by Stan Gibilisco