Turbomachinery Laboratory at Hanyang University. Rotordynamics. Bearings. Seals. Dampers.

Hanyang University Department of Mechanical Engineering

Last revised: Feb. 18, 2024

Former Students

• Jihan Kim (Spring 2022 – Fall 2022, kimjihan777@hanyang.ac.kr)

MS Thesis: Development of a Test Rig for Measurement of Performance and Dynamic Force Coefficients of Floating Ring Seals in Liquid Rocket Engine Turbopumps

Linkedin: https://www.linkedin.com/in/jihankim96/

Google Scholar Citation: https://scholar.google.co.kr/citations?user=o3j25uEAAAAJ&hl=ko

Current employment: NA

• Junwon Heo (Spring 2021 — Fall 2022, jjunwona@hanyang.ac.kr)

MS Thesis: Additively manufactured hybrid tilting pad journal bearings : design, fabrication, and measurements of static load characteristics
Linkedin: https://www.linkedin.com/in/junwon-heo-362a38206/

Google Scholar Citation: https://scholar.google.co.kr/citations?user=b8k2oj8AAAAJ&hl=ko

Current employment: LG Electronics

ĄĄ

• Minsoo Wee (Spring 2021 — Fall 2022, dnlalstn123@hanyang.ac.kr)

MS Thesis: On the failure of a cryogenic hydrostatic journal bearing due to pneumatic hammer instability while supplying liquid nitrogen

Linkedin: https://www.linkedin.com/in/minsoo-wee-0a5548203/

Google Scholar Citation: https://scholar.google.com/citations?user=9qN5DNwAAAAJ&hl=ko&authuser=1
Current employment: Hyundai Mobis

• Howon Yi (Spring 2015 — Spring 2022, yihowon@hanyang.ac.kr)

Ph.D Dissertation: Rotordynamics of hybrid bearing supported electric pumps for liquid rocket engines in reusable launch vehicle : experiments and predictions

Linkedin: https://www.linkedin.com/in/hyi/

Google Scholar Citation: https://scholar.google.com/citations?user=gajyTkQAAAAJ&hl=en
Current employment: LG Electronics

• Seki Sin (Spring 2020 — Fall 2021, ssk1994@hanyang.ac.kr)

MS Thesis: Static load characteristics of hybrid fluid film journal bearings : measurements with air, water, and liquid nitrogen

Linkedin: www.linkedin.com/in/sekisin

Google Scholar Citation: https://scholar.google.com/citations?user=voHuMmIAAAAJ&hl=ko

Current employment: Onstream

• Seungho Choi (Spring 2020 — Fall 2022, simon159@hanyang.ac.kr)

MS Thesis: Static load characteristics of hybrid fluid film thrust bearings : measurements with air, water, and liquid nitrogen

Linkedin: www.linkedin.com/in/seunghochoi

Google Scholar Citation: https://scholar.google.be/citations?user=fXYA6VQAAAAJ&hl=ko

Current employment: Hyundai Mobis

• Jeanie Kim (Spring 2018 — Fall 2019, janny1125@hanyang.ac.kr)
MS Thesis: Measurements of Static Load Characteristics of an Externally Pressurized Gas Journal Bearing

Linkedin: https://www.linkedin.com/in/jeaniekim94/
Google Scholar Citation: https://scholar.google.com/citations?user=YA4LK6kAAAAJ&hl=en

Current employment: Hyundai Electric

• Youngseok Song (Fall 2017 — Spring 2019, dudtjrl777@hanyang.ac.kr or dudtjrl777@gmail.com)
MS Thesis: Dynamics of High Speed Rotor-Gas Bearing Systems: Experiments and Predictions

Linkedin: https://www.linkedin.com/in/youngseok-song-5ab280168/

Google Scholar Citation: https://scholar.google.com/citations?user=jWZN8xwAAAAJ&hl=en

Current employment: Samsung Electronics (mechatronics & manufacturing Technology Center) since Sep. 2021. (Hyundai Heavy Industries: Sep. 2019- Aug. 2021)

• Jisu Hwang (Spring 2016 — Fall 2017, wltn0114@naver.com or hwangjs114@gmail.com)
MS Thesis: Squeeze Film Dampers in Automotive Turbocharger Bearing Systems: Test Rig Development for Identification of Experimental Rotordynamic Force Coefficients

Current employment: LG Electronics

• Eunque Park (Spring 2015 — Fall 2017, opneal0627@gmail.com or opneal@hanmail.net )
MS Thesis: Effect of Bearing Design Parameters on Rotordynamic Stability and Shaft Motion Amplitudes for Automotive Turbochargers Supported on Fully Floating Ring Bearings

Current employment: LG Electronics

ĄĄ

• Xiao Fang (Spring 2015 — Fall 2017, f789451x@gmail.com)
MS Thesis: On the Dynamic Stability of Automotive Turbochargers: Case Studies with Various Bearing Configurations

Currently in China

• Ikhee Jo (Spring 2015 — Fall 2016, social92@naver.com or uzp615@gmail.com )
MS Thesis: Rotordynamic Performance of a Externally Pressurized Porous Air Bearing Supported Rotor Coupled with a High Speed Motor

Current employment: SK Hynix

• Jihun Bang (Spring 2015 — Fall 2016, bangjihun@hanyang.ac.kr or bangjihun73@naver.com)
MS Thesis: Experimental Identification of Structural Stiffness and Damping Coefficients in Bump-type Foil Bearings

Current employment: Korea Aerospace Industries (KAI)

• Sungjin Lee (Fall 2014 — Fall 2018)

Deceased January 2019 / His memory will be with us always.

http://www.hanyang.ac.kr/surl/YtAu

In memory of Sungjin Lee

Linkedin: https://www.linkedin.com/in/sungjin--lee/

Google Scholar Citation: https://scholar.google.co.kr/citations?user=_TbKP8AAAAAJ&hl=en

Sugnjin Lee*, Keun Ryu, Jinhee Jeong, and Solji Ryu, 2020, "On the Bearing-to-Bearing Variability in Experimentally Identified Structural Stiffnesses and Loss Factors of Bump-Type Foil Thrust Bearings under Static Loads", KTS (Korean Tribology Society) Tribology and Lubricants, Vol. 36, No. 6, pp. 332-341, DOI: https://doi.org/10.9725/kts.2020.36.6.332

HYU Turbolab Outstanding Researcher Award (Discontinued)

• The HYU Turbolab Outstanding Research Award is given to two graduate students in the HYU Turbolab who have made notable contributions to the lab's R&D projects as evidenced by domestic and international conference presentations or journal publications.

• Award date: Between the last day of Fall semester and Christmas (annually)

• Form of Award: $ 100 (Cash) for each student and Award Certification

• Awarded by Prof. Keun Ryu

Award Recipients

- 2014: Sungjin Lee and Kyuman Kim (Major contribution: Porous air bearing project)

- 2015: Howon Yi and Jihun Bang (Major contribution: Foil bearing project)

- 2016: Kyuman Kim and Jisu Hwang (Major contribution: Turbocharger project)

- 2017: Howon Yi and Chanwoo Lee (Major contribution: Fan motor project)

- 2018: Yungsuk Song and Jeanie Kim (Major contribution: Foil bearing and externally pressurized bearing projects, respectively)

- 2019: Kyuman Kim and Hyunsung Jung (Major contribution: Externally pressurized bearing project)

- 2020: Homin Lim, Seki Sin, and Seungho Choi (Major contribution: Bearings, seals, and dampers for process liquid turbomachinery)

Give Online: Hanyang Turbolab Endowments (Tax-Deductible Contribution)