H. L. Ma, W. L. Chen, K. C. Liao, and M. C. Kao*. "Influence of Flight Altitude on Combustion Dynamics and Performance of Spark-Ignition Wankel Rotary Engines at Part Load." Results in Engineering,109344, 2026. (SCIE, IF: 7.9, Ranking: 55/596, Q1, Top 10%).
H. L. Ma, R. Y. Chein*. "Multi-objective Optimization for Catalytic Methane Decomposition in Fixed-bed Reactors—A Computational Approach." Results in Engineering,109350, 2026. (SCIE, IF: 7.9, Ranking: 55/596, Q1, Top 10%).
H. L. Ma, W. H. Wang*. "A Numerical Investigation of Particle Swarm Optimization to Improve Film Cooling Effectiveness from Converging Slot-Hole." International Journal of Aeronautical and Space Sciences,1-18, 2024. (SCIE, IF: 1.4, Aerospace Engineering).
H. L. Ma, C. H. Kuo*. "Theoretical analysis of an oscillatory plane Poiseuille flow—A link to the design of vortex flow meter." Physics of Fluids,29(5): 053602, 2017. (SCIE, IF: 4.3, Ranking: 6/91, Top Journal in Fluid Mechanics).
H. L. Ma*, C. H. Kuo. "Control of boundary layer flow and lock-on of wake behind a circular cylinder with a normal slit." European Journal of Mechanics - B/Fluids,59, 99-114, 2016. (SCIE, IF: 2.5).
C. Y. Soong*, H. L. Ma. "Unsteady Analysis of Non-Isothermal Flow and Heat Transfer Between Rotating Co-axial Disks,." International Journal of Heat and Mass Transfer38(10), 1865-1878, 1995. (SCIE, IF: 5.8, Ranking: 4/91, Q1, Top 10%)