Zobrazeno 1 - 10
of 38
pro vyhledávání: '"Kazuya Kusano"'
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 80, Iss 810, Pp FE0024-FE0024 (2014)
The tip vortex has an important role on the aerodynamic performance and noise of half-ducted propeller fans. The present paper provides better understanding on the three-dimensional structure of the tip vortex in a half-ducted propeller fan, aiming a
Externí odkaz:
https://doaj.org/article/58f0607fe08a4ac882df4e529ff34733
Autor:
Kazuya Kusano
Publikováno v:
INTER-NOISE and NOISE-CON Congress and Conference Proceedings. 265:2239-2244
The present study developed a shape optimization method using adjoint sensitivity analysis based on lattice Boltzmann method to suppress aerodynamically sound generation around bluff bodies. In this method, flow and acoustic fields are directly simul
Publikováno v:
INTER-NOISE and NOISE-CON Congress and Conference Proceedings. 263:598-609
The present study developed an unsteady RANS approach based on the lattice Boltzmann method (LBM), which can perform direct aeroacoustic simulations of low-speed fans at lower computational cost compared with the conventional LBM-LES approach. In thi
Autor:
Kazuya KUSANO
Publikováno v:
Computers & Fluids. 248:105662
This paper proposes an adjoint sensitivity analysis method that enables the evaluation of the sensitivities of far-field sounds with respect to object shapes. In this method, flow-induced sounds are directly simulated based on the lattice Boltzmann e
Publikováno v:
The Proceedings of the Fluids engineering conference. 2020:OS07-09
Publikováno v:
Journal of Sound and Vibration. 467(115044)
The present paper demonstrates the capability of a numerical method based on the lattice Boltzmann method (LBM) with wall-resolved grid to predict the broadband sound generated from the turbulent boundary layer at low Mach numbers. The present method
Publikováno v:
SAE International Journal of Passenger Cars - Mechanical Systems. 10:507-513
Publikováno v:
Volume 1A, Symposia: Turbomachinery Flow Simulation and Optimization; Applications in CFD; Bio-Inspired and Bio-Medical Fluid Mechanics; CFD Verification and Validation; Development and Applications of Immersed Boundary Methods; DNS, LES and Hybrid RANS/LES Methods; Fluid Machinery; Fluid-Structure Interaction and Flow-Induced Noise in Industrial Applications; Flow Applications in Aerospace; Active Fluid Dynamics and Flow Control — Theory, Experiments and Implementation.
The paper presents a result of the direct numerical simulation with the lattice Boltzmann method which was conducted for quantitative prediction of turbulent broadband noise. For better prediction of broadband noise with high frequency, which is gene
Publikováno v:
Volume 1A, Symposia: Turbomachinery Flow Simulation and Optimization; Applications in CFD; Bio-Inspired and Bio-Medical Fluid Mechanics; CFD Verification and Validation; Development and Applications of Immersed Boundary Methods; DNS, LES and Hybrid RANS/LES Methods; Fluid Machinery; Fluid-Structure Interaction and Flow-Induced Noise in Industrial Applications; Flow Applications in Aerospace; Active Fluid Dynamics and Flow Control — Theory, Experiments and Implementation.
Recently, the cooling system of hydraulic excavator is often designed using the thermal and fluid analysis to improve the cooling performance. The reliability of the analysis results is important, since it directly influences on the efficiency of dev
Publikováno v:
Journal of Heat Transfer. 140(12):122801
The feasibility of the parameter estimation on the basis of the ensemble Kalman filter (EnKF) for a practical simulation involving model errors was investigated. The three-dimensional flow and thermal simulations for the engine compartment of a test