Vol. 56, No. 1, 2021

Fluid Dynamics

Experimental Study on the Behaviour of Local Laminar Separation Bubble at a Rectangular Wing Section

A. Roy and R. Mukherjee p. S1 abstract

Retraction and Adhesion of a Single Droplet Normal Impact on the Solid Surface

X. X. Chen, Z. Y. Shi, G. Q. Wang, E. H. Zheng, P. B. Tang and J. R. Xu p. S19 abstract

Numerical and Experimental Investigation of Liquid Residue in 90° Bend Microchannel Based on Gas–Liquid Two-Phase Flow

X. L. Zhang, Y. Hu, R. X. Gao, S. X. Ge and D. X. Zhang p. S34 abstract

Weakly Nonlinear Gravity Three-Dimensional Unbounded Interfacial Waves: Perturbation Method and Variational Formulation

S. Salmi, N. Allalou and M. Debiane p. S53 abstract

Radiation and Diffraction of Water Waves by a Submerged Body with Ice Cover in Finite Depth

L. Z. Hao and Z. Y. Pan p. S70 abstract

Study on Cooling Film and Aero-Optical Effect of Hypersonic Imaging Window

Q. Mi, S. H. Yi, X. H. Zhao, H. L. Ding and B. Zhang p. S88 abstract

Comparative Analysis of the Characteristics of the Vortex Wake behind a Flapping Wing Performing Oscillations of Different Types

V. K. Vineeth and D. K. Patel p. S101 abstract