thermo - Nike Green, Monica Parrillo, Caroline Tabler,...

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Nike Green, Monica Parrillo, Caroline Tabler, Alexandra Scharf As interest in clean and renewable electric power gains interest around the world, the need for an optimum design for solar thermal energy conversion systems becomes of utmost importance. However, before solar energy can become a viable source of power for whole nations, a low cost, high efficiency system must first be implemented on a small scale, allowing engineers to consider all of the thermodynamic principles that play a role in energy collection. In order to test these principles we have devised a solar energy collector using a Rankine cycle with propane as a working fluid. An organic liquid is used as an alternative to water, permitting lower turbine entry temperatures and less heat input. The Rankine cycle is the most practical cycle, commonly used in power generation plants. A pump is used to pressurize liquid rather than a compressor of gas, requiring approximately 1% the energy needed for the same step in an idealized Carnot cycle.
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thermo - Nike Green, Monica Parrillo, Caroline Tabler,...

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