Kael derived the energy balance: Total exhaust energy = Energy to turbine + Energy bypassed + Waste heat + Entropy.
For air, γ = 1.4, so (0.4/1.4) = 0.286. turbo physics grade 12 pdf
At steady state, Power_turbine × η_mech = Power_compressor Kael derived the energy balance: Total exhaust energy
Density ratio vs. ambient: 1.89/1.18 = 1.60 → 60% more air. γ = 1.4