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A solar thermal plant with energy storage capability is to be constructed at about a 40° latitudeto provide the electric energy to a system whose 24-hr average load is 100 MWe during the winter.Assume that the solar thermal power plant will have a 25% energy conversion efficiency; that thenighttime load is 40% of the total load; and that 10% of the energy that must be stored is lost. (a)Determine the total land area (in km2) required for the reflectors (heliostats). (b) For comparisonalso determine the area (in km2) required for a fixed horizontal system. In both cases, it is believedthat a parabolic reflector system can be set up so that the reflectors cover 45% of the land area onwhich they are placed. The reflected energy collected at 40° latitude in winter is 6 kW·hr/m2·dayfor a tracking system, and only 1.85 kW·hr/m2·day for a horizontal fixed system.
what is the effect on the price of a recordable cd and the quantity of recordable cds sold ifa. the price of an mp3
Analyze the dynamics of supply and demand to anticipate market equilibrium - Analyze the elasticity of demand and supply and its importance, and the effect of taxes or other public policies.
If a fixed number of industrial pollution permits are marketable, then we should just sell the right to smoke to the highest bidders rather than ban smoking outright in many cities, towns, business outlets, bars and restaurants. It would reduce the e..
Consider a public utility providing water service as a natural monopoly to residents of a city. The market (as defined by the city's boundaries) contains 100,000 identical customers, each of which has a demand function q(p) = 0.2875-80,000 whe..
proposal aproposal a envisages generation of electricity from water - a hydro-electric project. the useful economic
The value of your education is not only the worth of the investment you are making in yourself, but the cost of what you give up. What is the Opportunity Cost of your education
Explain how the aggregate expenditure function shifts in response to changes in each of the following variables:
The reading for this lesson (Bowe, sections "Tulsa" and first part of "Saipan" to the bottom of p. 184) brings us to the use and abuse of U.S. visa programs to bring workers into the United States, often from more underdeveloped societies. I conside..
Referring to the 10-year historical period 1980-1990 discuss an example of a change in autonomous spending. Researches a government policy implemented during that time and discuss the multiplier effect it had on the economy.
Briefly discuss what measuring inequality involves, and provide two examples for doing so. measuring income inequality means dividing up the population into various groups and then comparing the groups
Choose a product you have purchased in the past month from a clothing or shoe store.
A growing number of businesses-including videogame developers, cigarette companies, soft drink producers, liquor marketers, and fast food chains-are feeling the heat from government, the press, and society at large for encouraging harmful consumer..
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