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Friday, 19 December 2014

Efficiency of Otto Cycle

Efficiency of Otto Cycle Points : Efficiency of Otto Cycle, Ideal Otto Cycle Otto cycle consists of four non-flow process as in pressure-volume (P-V) diagram and temperature-entropy (T-S). Compression and expansion processes are implicit to be (no heat transfer) and reversible, and therefore, isentropic.

The process are as follow:
1—2 Isentropic compression of air during a volume ratio v1/v2, compression ratio, rc
2—3 Addition of heat Q2-3 at stable volume.
3—4 Isentropic expansion of air to original volume.
4—1 Rejection of heat Q4-1 at stable volume to complete cycle.

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