Tandem jets in crossflow: the enclosed-recirculation momentum exchange and the unsteady shear-layer dynamics
Year: 2026
Type: preprint
Abstract: Twin tandem jets in crossflow are examined by 40\ kHz time-resolved particle image velocimetry (PIV) over nine spacing--velocity-ratio conditions ($L=2d$--$4d$, $r\approx3$--7; 68 twin cases, 11 single-jet records). The front jet is diluted: its trajectory lies below the single-jet reference, with a near-field segment up to 40\% shorter, and its velocity ratio falls to an effective value $r_{\mathrm{eff}}
Source: arXiv (Cornell University)
Author: Liu, Xunchen
Institution: Shandong University of Science and Technology
Language: English
Subfield: Computational Mechanics
Field: Engineering
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W7223279722