Contents

Fluid Dynamics

Vol. 61, No. 1, 2026

Effect of the Orifice Aspect Ratio on the Flow Development in Triangular Jets

M. Azad p. 1  abstract

Erosion Characteristics of a Novel Spherical Swivel in Air Drilling: Insights from Gas–Solid Two-Phase Flow Simulation

Y. Cao, B. Qi, H. Y. Zhang, P. L. Cao, and G. Q. Cui p. 2  abstract

Numerical Study of Droplet Breakup in Asymmetric Y-Junction Microchannels: Effect of the Branch Width Ratio and the Viscosity Ratio

T. T. Nguyen and L. H. T. Do p. 3  abstract

Droplet Impact Physics of Ammonium Dinitramide (ADN)-Based Monopropellants on Solid Substrates of Varying Roughness

A. Paul, S. Sarkar, K. Raj, P. Kumar, and P. R. L. Raj p. 4  abstract

Spreading Characteristics of Supersonic Jets Issued from a Circular Nozzle with Square Grooves

S. Ilakkiya and B. T. N. Sridhar p. 5  abstract

A Thorough Comparative Analysis of Two Design Methods for DEP Heavy-Loaded Propellers

S. J. Shi, J. B. Huo, and A. C. Zou p. 6  abstract

Effect of Plain, Concave and Convex Winglet Geometry on Wing Performance at Various Cant Angles

Y. Zerlen and S. Tangöz p. 7  abstract

Experimental Study on Bubble Motion Behavior in Ultrasonic Traveling Wave Fields

X. Zheng, H. Ni, and M. J. Pang p. 8  abstract

Unsupervised Particle Image Velocimetry Framework Based on Multi-Scale Inception Depthwise Convolution and Subpixel Upsampling

Z. Zhou, J. Ni, and Y. Wang p. 9  abstract

Simulation and Analysis of Flow Field Evolution and Particle Dynamics in the Molding Cavity of Solid CO2

X. W. Hu, L. F. Mei, D. B. Yan, and J. F. Huang p. 10  abstract

Anomalous Heat Transfer Enhancement for the Developed Laminar Channel Flow with a Single-row Array of Inclined Oval-trench Dimples with Variable Values of the Trench Length at the Fixed Dimple Depth and Spot Area

S. A. Isaev, M. S. Gritckevich, E. A. Osiuk, D. V. Nikushchenko, V. B. Kharchenko, and Dehai Kong p. 11  abstract

Analysis of the Suppressive Effect of Secondary Flow Circulation Configuration on Inlet Separation Zones

Z. H. Li, Y. H. Tao, C. Y. Liu, and W. Huang p. 12  abstract

Experimental Investigation of Elliptic Jet Control using Airtabs

M. Stefaniya and S. Thanigaiarasu p. 13  abstract

Contact Time Reduction through Droplet Horseshoe-Shaped Rebound on Superhydrophobic Surfaces with a Cubic Structure

Z. Z. Min, T. X. Chen, Y. H. Shang, and D. Li p. 14  abstract

Study on the Performance Enhancement of H-Type Blunt Trailing-Edge VAWTs with the Bionic V-Riblets Structure via External Control Bodies

X. Zhang, Y. L. Qi, J. T. Ruan, L. S. Cui, and W. Li p. 15  abstract

Enhancement of Aerofoil Performance Using a Dual Injection System

H. C. Mahajan, K. V. Gosai, K. A. Vasvani, K. Balaji, and S. Jamkatel p. 16  abstract

Stochastic Motion Model of an Adhered Droplet at the Edge of a Splashing Liquid Film

D. X. Guo and H. Zhang p. 17  abstract

Novel Asymmetric Surrogate Design Approach and Analysis of Supersonic Nozzle

L. Dai, A. Haddad, H. Kbab, and L. C. Páscoa p. 18  abstract

Nonlinear Oscillations of a Mechanical System with Two Fluids in Motion of a Rigid Body

Win Ko Ko and A. N. Temnov p. 19  abstract

Generalization of the Viscous Stress Tensor to the Case of Non-Small Gradients of Hydrodynamic Velocity: Path to Numerical Modeling of Turbulence Non-Locality

A. B. Kukushkin p. 20  abstract

Axisymmetric Ferrohydrodynamic Flows in Thrombosisted Blood Vessels

A. Yu. Musikhin and A. Yu. Zubarev p. 21  abstract

Experimental Investigation of Subsonic and Sonic Jet Control with Finned Stem Tabs

T. Vijayaraj, S. Thanigaiarasu, T. Thillaikumar, and M. Kaushik p. 22  abstract