Since the seminal studies by Osborne Reynolds in the nineteenth century, pipe flow has
served as a primary prototype for investigating the transition to turbulence in wall-bounded …

Transitional–turbulent spots bridge the deterministic laminar state with the stochastic
turbulent state and affect the transition zone length in engineering flows. Turbulent spot …

The route to turbulence in pipe flow is a complex, nonlinear, spatiotemporal process for
which an increasingly clear understanding has emerged in recent years. This paper …

The transition to turbulence in wall-bounded shear flows is typically subcritical, with a poorly
understood interplay between spatial fluctuations, pattern formation, and stochasticity near …

Intermittent turbulent-laminar patterns characterize the transition to turbulence in pipe, plane
Couette, and plane channel flows. The time evolution of turbulent-laminar bands in plane …

Understanding the origin of large-scale structures in high-Reynolds-number wall turbulence
has been a central issue over a number of years. Recently, Rawat et al.(J. Fluid Mech., vol …

Directed percolation (DP), a universality class of continuous phase transitions, has recently
been established as a possible route to turbulence in subcritical wall-bounded flows. In …

An experimental and numerical study on the inertial focusing of neutrally buoyant spherical
particles suspended in laminar circular tube flows was performed at Reynolds numbers …

Low Reynolds number turbulence in wall-bounded shear flows en route to laminar flow
takes the form of spatially intermittent turbulent structures. In plane shear flows, these appear …

Isolated patches of turbulence in transitional straight pipes are sustained by a strong
instability at their upstream front, where the production of turbulent kinetic energy (TKE) is up …