Wednesday, December 24, 2008

Heat Engines

Heat engines differ considerably from one another but all can be characterized by following step:
1. They receive heat from high temperature source solar
2. They convert part of this heat to work(ussually in a form)
3. They reject the remaining waste heat to a low temperature sink(the river/atmosphere)
4. They operate in a cycle

Heat engine and other cyclic devices ussually involve a fluid to and from heat is transferred while undergoing a cycle. this fluid is called the working fluid.

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