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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국유체기계학회 International Journal of Fluid Machinery and Systems International Journal of Fluid Machinery and Systems Vol.10 No.3
- 발행연도
- 2017.9
- 수록면
- 254 - 263 (10page)
- DOI
- 10.5293/IJFMS.2017.10.3.254
이용수
초록· 키워드
오류제보하기
The cavitation erosion remains an industrial issue for many applications. This paper deals with the cavitation intensity, which can be described as the fluid mechanical loading leading to cavitation damage. The estimation of this quantity is a challenging problem both in terms of modeling the cavitating flow and predicting the erosion due to cavitation. For this purpose, a numerical methodology was proposed to estimate cavitation intensity from 3D unsteady cavitating flow simulations. CFD calculations were carried out using Code_Saturne, which enables U-RANS equations resolution for a homogeneous fluid mixture using the Merkle"s model, coupled to a - turbulence model with the Reboud"s correction. A post-process cavitation intensity prediction model was developed based on pressure and void fraction derivatives. This model is applied on a flow around a hydrofoil using different physical (inlet velocities) and numerical (meshes and time steps) parameters. The article presents the cavitation intensity model as well as the comparison of this model with experimental results. The numerical predictions of cavitation damage are in good agreement with experimental results obtained by pitting test.
목차
Abstract
1. Introduction
2. Cavitation intensity model
3. Application to cavitating flows around the hydrofoil
4. Conclusion
References
참고문헌 (15)
참고문헌 신청
[학술지(정기간행물)] - Fortes-Patella, R. / 2012 / Numerical and Experimental Investigations on Cavitation Erosion / IOP Conference Series: Earth and Environmental Science 15 (2) : 022013 ~
[학술지(정기간행물)] - Fortes-Patella, R. / 2013 / Mass Loss Simulation in Cavitation Erosion: Fatigue Criterion Approach / Wear 300 (1) : 205 ~ 215
[학술지(정기간행물)] - Leclercq, C. / 2016 / Numerical Investigations on Cavitation Intensity for 3d Homogeneous Unsteady Viscous Flows / IOP Conference Series: Earth and Environmental Science 49 (9) : 092007 ~
[학술지(정기간행물)] - Archambeau, F. / 2004 / Code_Saturne: A Finite Volume Code for the Computation of Turbulent Incompressible Flows - Industrial Applications / International Journal on Finite 1 (1)
[학술지(정기간행물)] - Chebli, R. / 2013 / Numerical Simulation of Unsteady Cavitating Flows using a Fractional Step Method Preserving the Minimum/Maximum Principle for the Void Fraction / IOP Conference Series: Materials Science and Engineering 52 (2) : 022031 ~
[학술지(정기간행물)] - Fortes-Patella, R. / 2013 / Mass Loss Simulation in Cavitation Erosion: Fatigue Criterion Approach / Wear 300 (1) : 205 ~ 215
[학술지(정기간행물)] - Leclercq, C. / 2016 / Numerical Investigations on Cavitation Intensity for 3d Homogeneous Unsteady Viscous Flows / IOP Conference Series: Earth and Environmental Science 49 (9) : 092007 ~
[학술지(정기간행물)] - Archambeau, F. / 2004 / Code_Saturne: A Finite Volume Code for the Computation of Turbulent Incompressible Flows - Industrial Applications / International Journal on Finite 1 (1)
[학술지(정기간행물)] - Chebli, R. / 2013 / Numerical Simulation of Unsteady Cavitating Flows using a Fractional Step Method Preserving the Minimum/Maximum Principle for the Void Fraction / IOP Conference Series: Materials Science and Engineering 52 (2) : 022031 ~
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UCI(KEPA) : I410-ECN-0101-2018-554-001894715