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The Puerto Rico Energy Affairs Administration, motivated by the great potential of renewable energy in the Island, commissioned a study to the University of Puerto Rico to identify achievable and realistic renewable energy targets for the Island. The study was intended to summarize the technical requirements of a number of renewable energy technologies in the island and the potential generation capacity...
A cost index is used to describe a family of minimum cost flight profiles with a single number expressing the ratio of time cost to fuel cost. A unique cost index for each segment can be used to minimize fuel consumption within the time constraints dictated by hub operation. This paper addresses application of cost index to the fleet of American Airlines aircraft consisting of 727-200, 767, and DC-9-80...
This paper describes a method for the optimum scheduling of pumped storage hydro in combination with a steam generating system. It also describes a computer program which determines weekly operating schedules for a pumped hydro station. The techniques developed can be used to evaluate future peaking capacity of this type and to estimate long-term operating costs for different combinations of steam...
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