Search for dissertations about: "martin olausson"

Found 2 swedish dissertations containing the words martin olausson.

2. 1. Turbomachinery Aeroacoustic Calculations using a Time Domain Chorochronic Method

   Author : Martin Olausson; Chalmers tekniska högskola; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Rotor Stator interaction; Fan-Noise; Time lag; Chorochronic; Nonlinear; Computational Aeroacoustics;

   Abstract : Noise regulations for aircrafts that fly over populated areas are continuously becoming stricter. This in combination with increasing computational capabilities has boosted interest in aeroacoustic computations in the aerospace industry. READ MORE

4. 2. Turbomachinery Aeroacoustic Calculations using Nonlinear Methods

   Author : Martin Olausson; Chalmers tekniska högskola; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Nonlinear; CFD; Time Spectral; CAA; Ffowcs-Williams Hawkings; Broadband; Time lag; Computational Aeroacoustics; Fan-Noise; Rotor-Stator interaction; Buffer layer; Oscillating sphere; Newton-GMRES; Computational Fluid Dynamics; Acoustic analogies; Sponge; Counter-Rotating Propfan; Harmonic Balance Technique; Tone; FWH; Chorochronic periodicity; Hybrid RANS LES;

   Abstract : Noise regulations for aircraft that fly over populated areas are becoming continuously stricter. This in combination with increasing computational capabilities has boosted interest in aeroacoustic computations in the aerospace industry. READ MORE