Yıl: 2023 Cilt: 11 Sayı: 2 Sayfa Aralığı: 110 - 118 Metin Dili: İngilizce DOI: 10.4274/jems.2023.35761 İndeks Tarihi: 03-07-2023

Advancing Computational Hydroacoustics for Marine Propellers: Investigating the Limits of Incompressible Solvers in Far-Field Noise Prediction

Öz:
As sound is a propagating pressure wave, it is important to obtain the hydrodynamic pressure oscillations in the fluid to calculate propeller noise. Numerical hydroacoustic simulations generally assume incompressible flow. Time delays in sound propagation are neglected due to the incompressibility assumption, leading to physically infeasible results in the far field. However, recent works have shown that incompressible solvers can comfortably be used in the near field. This work focused on the effect of distance on the accuracy of the incompressible solver and investigated the hydrodynamic and hydroacoustic properties of a model-scale Duisburg Test Case (DTC) propeller by the finite volume-based computational method. Open-water experiments on a 1/59.407 model-scale DTC propeller were carried out at the Ata Nutku Ship Model Testing Laboratory in Istanbul Technical University. Open-water numerical simulations were performed to determine the hydrodynamic and hydroacoustic properties of the propeller and validated with the hydrodynamic performance of the open-water propeller. Thrust and torque coefficients and open-water efficiency were compared with experiments. The Ffowcs-Williams and Hawkings equation was coupled with the incompressible solver using impermeable surfaces in hydroacoustic predictions of the hybrid solver. Pressure oscillations in the time domain at 21 receivers were used to calculate the sound pressure levels in the vicinity of the propeller. Results of incompressible and hybrid solvers were compared to determine the reach of incompressible solvers for hydroacoustic predictions. It was revealed that discrepancy starts after a 1.5-2D propeller.
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APA Kinaci O, DELEN C (2023). Advancing Computational Hydroacoustics for Marine Propellers: Investigating the Limits of Incompressible Solvers in Far-Field Noise Prediction. , 110 - 118. 10.4274/jems.2023.35761
Chicago Kinaci Omer Kemal,DELEN CIHAD Advancing Computational Hydroacoustics for Marine Propellers: Investigating the Limits of Incompressible Solvers in Far-Field Noise Prediction. (2023): 110 - 118. 10.4274/jems.2023.35761
MLA Kinaci Omer Kemal,DELEN CIHAD Advancing Computational Hydroacoustics for Marine Propellers: Investigating the Limits of Incompressible Solvers in Far-Field Noise Prediction. , 2023, ss.110 - 118. 10.4274/jems.2023.35761
AMA Kinaci O,DELEN C Advancing Computational Hydroacoustics for Marine Propellers: Investigating the Limits of Incompressible Solvers in Far-Field Noise Prediction. . 2023; 110 - 118. 10.4274/jems.2023.35761
Vancouver Kinaci O,DELEN C Advancing Computational Hydroacoustics for Marine Propellers: Investigating the Limits of Incompressible Solvers in Far-Field Noise Prediction. . 2023; 110 - 118. 10.4274/jems.2023.35761
IEEE Kinaci O,DELEN C "Advancing Computational Hydroacoustics for Marine Propellers: Investigating the Limits of Incompressible Solvers in Far-Field Noise Prediction." , ss.110 - 118, 2023. 10.4274/jems.2023.35761
ISNAD Kinaci, Omer Kemal - DELEN, CIHAD. "Advancing Computational Hydroacoustics for Marine Propellers: Investigating the Limits of Incompressible Solvers in Far-Field Noise Prediction". (2023), 110-118. https://doi.org/10.4274/jems.2023.35761
APA Kinaci O, DELEN C (2023). Advancing Computational Hydroacoustics for Marine Propellers: Investigating the Limits of Incompressible Solvers in Far-Field Noise Prediction. Journal of Eta Maritime Science, 11(2), 110 - 118. 10.4274/jems.2023.35761
Chicago Kinaci Omer Kemal,DELEN CIHAD Advancing Computational Hydroacoustics for Marine Propellers: Investigating the Limits of Incompressible Solvers in Far-Field Noise Prediction. Journal of Eta Maritime Science 11, no.2 (2023): 110 - 118. 10.4274/jems.2023.35761
MLA Kinaci Omer Kemal,DELEN CIHAD Advancing Computational Hydroacoustics for Marine Propellers: Investigating the Limits of Incompressible Solvers in Far-Field Noise Prediction. Journal of Eta Maritime Science, vol.11, no.2, 2023, ss.110 - 118. 10.4274/jems.2023.35761
AMA Kinaci O,DELEN C Advancing Computational Hydroacoustics for Marine Propellers: Investigating the Limits of Incompressible Solvers in Far-Field Noise Prediction. Journal of Eta Maritime Science. 2023; 11(2): 110 - 118. 10.4274/jems.2023.35761
Vancouver Kinaci O,DELEN C Advancing Computational Hydroacoustics for Marine Propellers: Investigating the Limits of Incompressible Solvers in Far-Field Noise Prediction. Journal of Eta Maritime Science. 2023; 11(2): 110 - 118. 10.4274/jems.2023.35761
IEEE Kinaci O,DELEN C "Advancing Computational Hydroacoustics for Marine Propellers: Investigating the Limits of Incompressible Solvers in Far-Field Noise Prediction." Journal of Eta Maritime Science, 11, ss.110 - 118, 2023. 10.4274/jems.2023.35761
ISNAD Kinaci, Omer Kemal - DELEN, CIHAD. "Advancing Computational Hydroacoustics for Marine Propellers: Investigating the Limits of Incompressible Solvers in Far-Field Noise Prediction". Journal of Eta Maritime Science 11/2 (2023), 110-118. https://doi.org/10.4274/jems.2023.35761