Design Optimization of a Transonic-Fan Rotor Using Numerical Computations of the Full Compressible Navier-Stokes Equations and Simplex Algorithm

Table 4

CFD simulations with and without optimization.

	Without optimization	High fidelity optimum design
Pressure ratio	1.43	1.627
Isentropic efficiency	0.82	0.842
Leaned	Non	In direction of rotation
Swept	Non	Forward swept (hub to mean); Backward swept (mean to tip)
Numbers of blades	25	22