Performance Optimization of an Air-Standard Irreversible Dual-Atkinson Cycle Engine Based on the Ecological Coefficient of Performance Criterion

Figure 6

Normalized ECOP𝐸̇ and 𝑊̇ versus (a) 𝑟 and (b) 𝜌, 𝑟_𝐴, 𝛽  (𝑇₀=𝑇_𝐿=300K, 𝜏=7, 𝐼_Δ𝑆=1.2, 𝑋=0.3, and 𝜉=0.02).

(a)

(b)