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Classic thermodynamics, assuming the Carnot machine as the upper comparison limit in energy conversion systems analysis, considers thermal equilibrium during heat transfer interactions. Such an assumption requires either infinitely slow cycles or infinitely large heat exchanger surfaces. More realistic limits on the optimal operation of energy systems can be provided by finite-time thermodynamics,...
When evaluating the performance of a gas heat pump (GHP), in addition to tests at set points in an environmental chamber, field tests are often useful to verify also the GHP behaviour at real running conditions. Indeed, GHP comfort, maintainability, serviceability and installation procedure information is also obtained by means of an in-situ evaluation of its performance. In this work attention is...
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