Entropy in Computational Fluid Dynamics II

Dear Colleagues,

Losses in a flow and heat transfer process, from a thermodynamics point of view, are due to irreversible processes. In order to better understand the physics of these loss-producing mechanisms, fluid mechanic and heat transfer considerations might be complemented by some thermodynamic concepts with respect to the irreversible processes involved. Basically, these are concepts that assess energy by its value in terms of its convertibility from one form to another.

The second law analysis (SLA) is often used in thermodynamics in order to assess an irreversible process. According to SLA, the quality of a flow and heat transfer process, and how reversible it is can only be assessed by the entropy generation rate. In our Special Issue, “Entropy in Computational Fluid Dynamics”, SLA is applied to both engineering applications and fundamental studies with respect to flow and heat transfer problems. The studies in the Special Issue show that SLA is a powerful tool for analyzing computational fluid dynamics (CFD) results.

The current Special Issue will further enhance knowledge about how to interpret CFD results with SLA. Analyses of irreversibility in traditional flow or heat transfer processes, e.g., evaluating irreversibility in gas turbines, are still a main topic of this Special Issue. In addition to traditional problems, irreversible processes in emerging subjects, such as nano- and micro-fluid flows, biological and physiological flows, are of particular interests.

Dr. Habil. Yan Jin
Guest Editor

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