Fluid Mechanics and Soft Matter Lab

Jack Lo Research Group

Jack Lo Research Group

Welcome!

Fluid Mechanics

Mechanism of Contact between a Droplet and an Atomically Smooth Substrate
Phys. Rev. X 7 (2), 021036 (2017)
The role of drop shape in impact and splash
Nat. Commun. 12, 3068 (2021)
Diffusion-dominated pinch-off of ultralow surface tension fluids
Phys. Rev. Lett. 123 (13), 134501 (2019)
Spinning twisted ribbons: when two holes meet on a curved liquid film
J. Fluid Mech. 1014, A11 (2025)
Microfluidic study of carbon dioxide diffusive leakage through microfractures
Adv. Water Resour. 200, 104960 (2025)

Soft Matter

High-throughput measurement of elastic moduli of microfibers by rope coiling
Proc. Natl. Acad. Sci. U.S.A. 121 (12), e2303679121 (2024)
Achieving adjustable elasticity with non-affine to affine transition
Nat. Mater. 20 (12), 1635–1642 (2021)
Characterizing aqueous foams by in situ viscosity measurement in a foam column
Langmuir 39 (41), 14711–14717 (2023)
Soft Matter 20 (25), 4964–4971 (2024)
Portrait of Principal Investigator Jack H. Y. Lo

Principal Investigator

Jack H. Y. Lo

Assistant Professor

Department of Mechanical Engineering
City University of Hong Kong

Group Members

Zeying Hu
Kailang Liu
Luanxiong Dong
Xiaonan Li
Xiaohan Bai

Selected Publications

View the full publication list on Google Scholar

"Spinning twisted ribbons: when two holes meet on a curved liquid film," JHY Lo, Y Liu, T Alghamdi, MF Afzaal, and ST Thoroddsen, Journal of Fluid Mechanics 1014, A11 (2025).

"Microfluidic study of CO2 diffusive leakage through microfractures in saline aquifers for CO2 sequestration," W Yu, JHY Lo, AR Adebayo, MG Rezk, A Al-Yaseri, and Z AlYousef, Advances in Water Resources 200, 104960 (2025).

"The peak viscosity of decaying foam with natural drainage and coarsening," W Yu and JHY Lo, Soft Matter 20 (25), 4964–4971 (2024).

"High-throughput measurement of elastic moduli of microfibers by rope coiling," Y Liu, JHY Lo, JK Nunes, HA Stone, and HC Shum, Proceedings of the National Academy of Sciences 121 (12), e2303679121 (2024).

"Characterizing aqueous foams by in situ viscosity measurement in a foam column," W Yu, JHY Lo, and MY Kanj, Langmuir 39 (41), 14711–14717 (2023). (Cover)

"Realizing the multifunctional metamaterial for fluid flow in a porous medium," M Chen, X Shen, Z Chen, JHY Lo, Y Liu, X Xu, Y Wu, and L Xu, Proceedings of the National Academy of Sciences 119 (49), e2207630119 (2022).

"The role of drop shape in impact and splash," Q Liu, JHY Lo, Y Li, Y Liu, J Zhao, and L Xu, Nature Communications 12, 3068 (2021).

"Achieving adjustable elasticity with non-affine to affine transition," X Shen, C Fang, Z Jin, H Tong, S Tang, H Shen, N Xu, JHY Lo, X Xu, and L Xu, Nature Materials 20 (12), 1635–1642 (2021).

"Diffusion-dominated pinch-off of ultralow surface tension fluids," HY Lo, Y Liu, SY Mak, Z Xu, Y Chao, KJ Li, HC Shum, and L Xu, Physical Review Letters 123 (13), 134501 (2019).

"Mechanism of contact between a droplet and an atomically smooth substrate," HY Lo, Y Liu, and L Xu, Physical Review X 7 (2), 021036 (2017).

Contact

Lab and mailing address

Lab B1666
Yeung Kin Man Academic Building
City University of Hong Kong
83 Tat Chee Avenue
Kowloon, Hong Kong

Campus map

Locate the Yeung Kin Man Academic Building on the official CityUHK campus map.

View the building on the CityUHK campus map

Positions Available

We welcome applications for PhD and Postdoc positions from candidates with interests in either fundamental or applied research. Please send your CV to jack.lo@cityu.edu.hk with the subject “Application, [Position], [Your Name]”.

We also support candidates applying for fellowship schemes, such as the HKPFS and JRFS, as well as those applying through the Local Talent Scheme (PhD Studies for Hong Kong Permanent Residents).