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phy131studiof15:lectures:chapter22 [2015/11/23 09:13] mdawber [Otto Cycle] |
phy131studiof15:lectures:chapter22 [2015/11/23 09:14] (current) mdawber [Carnot Cycle] |
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To find the hypothetical maximum efficiency of a heat engine we can consider a cycle called the [[wp>Carnot_cycle|Carnot Cycle]] first proposed by [[wp>Nicolas_L%C3%A9onard_Sadi_Carnot|Carnot]]. | To find the hypothetical maximum efficiency of a heat engine we can consider a cycle called the [[wp>Carnot_cycle|Carnot Cycle]] first proposed by [[wp>Nicolas_L%C3%A9onard_Sadi_Carnot|Carnot]]. | ||

- | The Carnot cycle is based entirely on reversible processes, this is not achievable in reality, it would require each process to be executed infinitely slowly so that the process can be considered as a continuous progression through equilibrium states. We can however consider the Carnot cycle as a theoretical ideal which can be approached. | + | [[https://www.webassign.net/katzpse1/simulations/AF_2209_10/index.html|Carnot cycle animation]] |

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+ | The Carnot cycle is based entirely on reversible processes, which is not achievable in reality, as it would require each process to be executed infinitely slowly so that the process can be considered as a continuous progression through equilibrium states. We can however consider the Carnot cycle as a theoretical ideal which can be approached. | ||

There are 4 processes in the Carnot cycle, which we will consider as in terms of the expansion and compression of an ideal gas. | There are 4 processes in the Carnot cycle, which we will consider as in terms of the expansion and compression of an ideal gas. |