Theoretical and simulated models for an irreversible Otto cycle

摘要: We show in this work that a finite-time-thermodynamics model of an irreversible Otto cycle is suitable to reproduce performance results real spark ignition heat engine. In order test our we have developed computer simulation including two-zone combustion and compared the evolution parameters simulated engine as functions rotational speed (ω) with those obtained from simple theoretical scheme chemical reactions. A irreversibilities arising friction, transfer through cylinder walls, internal losses properly reproduces by considering extreme temperatures mass inside ω. Furthermore obtain realistic values for characterizing global irreversibilities, their ω, clearer understanding physical origin not always well established models.