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Your system is the entirety of the gas, and no heat flows into or out of this system from the surroundings (the engine block) during the combustion step in the process.vcsharp2003 said:
Energy transformations in an IC engine cylinder
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Homework Help Overview
The discussion revolves around energy transformations in an internal combustion (IC) engine cylinder, focusing on how chemical energy from fuel is converted into mechanical work. Participants explore the nature of heat energy and its role in the thermodynamic processes occurring during combustion.
Discussion Character
- Conceptual clarification, Assumption checking, Mixed
Approaches and Questions Raised
- Participants discuss the transformation of chemical energy into mechanical work, questioning how heat energy is involved in this process. There are varying interpretations of thermodynamic terminology, particularly regarding the definition of heat in the context of an adiabatic process.
Discussion Status
The discussion is active, with participants providing insights and questioning assumptions about heat transfer in the context of the Otto and Diesel cycles. Some participants suggest that the energy released during combustion does not constitute heat in the traditional sense, while others reference standard thermodynamic principles and terminology.
Contextual Notes
There is ongoing debate about the classification of internal combustion engines as heat engines, with references to the Second Law of Thermodynamics and the implications of energy transformations within the engine's cycles. Participants note the complexity of factors affecting combustion and pressure within the engine cylinder.
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