Jiaqi Luo

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We demonstrated a widely tunable Tm-doped mode-locked all-fiber laser, with the widest tunable range of 136 nm, from 1842 to 1978 nm. Nonlinear polarization evolution (NPE) technique is employed to enable mode-locking and the wavelength-tunable operation. The widely tunable range attributes to the NPE-induced transmission modulation and bidirectional(More)
This paper presents the application of a viscous continuous adjoint method for the optimization of a low-aspect-ratio turbine blade row through endwall contouring. A generalized wall-function method is implemented in a Navier– Stokes flow solver with Menter's shear-stress transport k-ω turbulence model to simulate the secondary flow with reduced(More)
This paper presents the application of a viscous adjoint method in the optimization of a low-aspect-ratio turbine blade through spanwise restaggering and endwall contouring. A generalized wall-function method is implemented in a Navier-Stokes flow solver coupled with Menter's SST k-ω turbulence model to simulate secondary flow with reduced requirements on(More)
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