Research Article

Exergy Analysis of the Revolving Vane Compressed Air Engine

Table 4

Data of variation of operating speed.

Operating speed (rev·min−1)2,4003,0003,600

Second-law efficiency38.6%29.6%22.1%
Exergy destroyed (W)321466654
Exergy supplied (W)523662839
Contribution of throttling (W)149175179
Contribution of friction (W)123226374