Dithermal systems
Heat transformers Chillers and Heat Pumps

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BE9734 V2 Article

Dithermal systems


Heat transformers Chillers and Heat Pumps

Authors : Francis MEUNIER, Pierre NEVEU

Publication date: June 10, 2018 | Lire en français

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2. Dithermal systems

Let's consider first the case of dithermal cycles that don't exchange mechanical energy with the outside world (W = 0), then the cases of those that do exchange mechanical energy, either receiving it (W > 0) or producing it (W < 0).

2.1 Systems without external mechanical energy exchange

In this case, W = 0. From the equations (3) and (4) , we deduce :

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