Lagrangian particle separation analysis and computationally efficient modeling of cyclone separators for FCEV air-intake systems
- 주제(키워드) cyclone separator , snorkel duct , LES , RANS , Lagrangian particle tracking , two- way coupling , wall liquid film model , porous-media model , surrogate model
- 발행기관 서강대학교 일반대학원
- 지도교수 강성원
- 발행년도 2026
- 학위수여년월 2026. 2
- 학위명 석사
- 학과 및 전공 일반대학원 기계공학과
- 실제URI http://www.dcollection.net/handler/sogang/000000082625
- UCI I804:11029-000000082625
- 본문언어 한국어
- 저작권 논문은 저작권에 의해 보호받습니다.
목차
1 Introduction 1
2 Simulation details 4
2.1 Simulation conditions 4
2.2 Numerical methods and governing equations 6
3 Results and discussion 10
3.1 Parametric study on dust particle dynamics and separation 10
3.1.1 Effect of turbulence models on flow characteristics and separation efficiency 10
3.1.2 Effect of coupling methods on flow characteristics and separation efficiency 15
3.1.3 Effect of particle size distribution on separation efficiency 18
3.1.4 Effect of inlet velocity on separation efficiency and surrogate modeling 20
3.2 Full-scale snorkel duct analysis 22
3.2.1 Full-scale snorkel duct simulation using porous media resistance model 22
3.2.2 Total separation efficiency analysis of full-scale snorkel duct 24
3.3 Parametric study on droplet particle dynamics and separation 26
3.3.1 Wall liquid film dynamics on cyclone wall 26
3.3.2 Effects of wall film modeling and gravity on separation efficiency 27
4 Conclusions 30
