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전체
CAA Method Development
Aircraft Noise
High Speed Ground Vehicle Noise
Home Appliance Noise
Multi-phase Flow Noise
Industrial Machine Noise
Multi-phase Flow Noise
0
Tip vortex cavitation and cavitation noise prediction using hybrid method [High-skew propeller]
실무책임 : 구가람 박사과정 Main figure : Tip vortex cavitation flow field ========================================================================================================================================================================================================
0
Tip vortex cavitation and cavitation noise prediction using hybrid method [NACA16-020 Wing]
실무책임 : 구가람 박사과정 Main figure : Cavitation flow field based on the bubble dynamics for cavitation inception prediction =========================================================================================================================================================
========…
CAA Method Development
0
Development and validation of hybrid CAA method using acoustic analogy based on Ffowcs Williams and Hawkings (FW-H) equation and signal processing procedure
실무책임 : 구가람 박사과정, 유서윤 박사과정 Main figure : Analytic moving monopole and dipole noise sources
=============================================================================================================================================== =======================================…
High Speed Ground Vehicle Noise
0
High-speed train flow noise [HEMU430X]
Q-criterion and vortex core with its strength
Target model: HEMU-430X(Highspeed Electric Multiple Unit-430km/h Experiment)
Global flow analysis 1. Q-criterion and vortex core with its strength
Global flow analysis 2. Velocity magnitude and static pressure …
Multi-phase Flow Noise
24
Development of low noise blades of high-speed blender by reducing of cavitating flow using homogeneous mixture based Reynolds-averaged Navier-Stokes equation and acoustic analogy
실무책임 : 김규남 석사과정, 구가람 박사과정 Main figure : Identification of blender noise source =========================================================================================== ===========================================================================================
…
Aircraft Noise
23
Establishing numerical simulation procedures for the evaluation of fire extinguishing performance in aircraft engine and AMAD bays using homogeneous mixture model
실무책임 : 조정훈 석사과정, 김재현 석사, 구가람 박사과정 Main figure : Visualization of fire extinguishing agent in engine nacelle bay
=============================================================================================================================================== ====…
22
Turbo-Fan Engine Noise
로터-스테이터 상호작용소음 해석 터보-홴 엔진의 주요한 소음발생원 중 하나인 로터-스테이터 상호작용 소음을 전산공력음향학 기법을 이용하여 해석한 결과 (등압력선도)에어포일 모양, 비균질한 자유류, 비선형 상화작용 등에 의한 소음 발생에 대한 영향을 정확히 예측 엔진 나셀 전두부를 통한 소음 전파 해석 터보-홴 엔진 내부에 발생한 음향파가 엔진 나셀 전두부를 통하여 외부로 전파해가는 것을 전산공력음향학을 이용하여 해석 결과 (등압력선도)엔진 나셀 모양이나 엔진 입구 비균질 유동에 의한 소음 전파…
21
Inflow broadband fan noise
Development of frequency domain method for inflow broadband noise of turbo-fan engine Development of time domain method for inflow broadband noise of turbo-fan engine
CAA Method Development
20
Efficient CAA methods for internal low-Mach number flows
19
Efficient noise propagation model considering the loss due to nonlinear interaction, liners and resistive silencer
Industrial Machine Noise
18
Numerical investigation on reduction of valve flow noise in high pressure gas pipe using perforated plates
실무책임 : 김규남 석사과정, 구가람 박사과정 Main figure : Velocity magnitude in pipe with orifice/perforated plates
================================================================================================================================================================================= …
17
Development of high-fidelity numerical methodology based on wavenumber-freqeuency transform for quantifying internal aerodynamic noise in pipe
실무책임 : 구가람 박사과정, 김극수 박사 Main figure : Development of high-fidelity numerical methodology in constriction-expansion pipe
===================================================================================================================================================================…
16
Large HWT low frequency noise prediction - acoustic source computation
연구내용
상류식 대형 수평 풍력발전기의 저주파수 소음의 예측 기법 개발
15
Performance analysis of a suction muffler in a hermetic reciprocating compressor
14
Prediction of Flow/Acoustic performance of compressor muffler
단순확장관의 음향손실 예측
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