Fluid dynamics and efficiency of colonial swimming via multijet propulsion at intermediate Reynolds numbers

H Jiang, JH Costello, SP Colin - Physical Review Fluids, 2021 - APS
Colonial physonect siphonophores swim via laterally distributed multijet propulsion at
intermediate Reynolds numbers (Re's) on the orders of 1–1000. Here, a computational fluid …

Propulsive design principles in a multi-jet siphonophore

KR Sutherland, BJ Gemmell… - Journal of …, 2019 - journals.biologists.com
Coordination of multiple propulsors can provide performance benefits in swimming
organisms. Siphonophores are marine colonial organisms that orchestrate the motion of …

Distributed propulsion enables fast and efficient swimming modes in physonect siphonophores

KT Du Clos, BJ Gemmell, SP Colin… - Proceedings of the …, 2022 - National Acad Sciences
Many fishes employ distinct swimming modes for routine swimming and predator escape.
These steady and escape swimming modes are characterized by dramatically differing body …

[HTML][HTML] Multi-jet propulsion organized by clonal development in a colonial siphonophore

JH Costello, SP Colin, BJ Gemmell, JO Dabiri… - Nature …, 2015 - nature.com
Physonect siphonophores are colonial cnidarians that are pervasive predators in many
neritic and oceanic ecosystems. Physonects employ multiple, clonal medusan individuals …

[HTML][HTML] Maneuvering Performance in the Colonial Siphonophore, Nanomia bijuga

KR Sutherland, BJ Gemmell, SP Colin, JH Costello - Biomimetics, 2019 - mdpi.com
The colonial cnidarian, Nanomia bijuga, is highly proficient at moving in three-dimensional
space through forward swimming, reverse swimming and turning. We used high speed …

[HTML][HTML] A numerical study of metachronal propulsion at low to intermediate Reynolds numbers

S Granzier-Nakajima, RD Guy, C Zhang-Molina - Fluids, 2020 - mdpi.com
Inspired by the forward swimming of long-tailed crustaceans, we study an underwater
propulsion mechanism for a swimming body with multiple rigid paddles attached underneath …

Swimming back and forth using planar flagellar propulsion at low Reynolds numbers

ISM Khalil, AF Tabak, Y Hamed, ME Mitwally… - Advanced …, 2018 - Wiley Online Library
Peritrichously flagellated Escherichia coli swim back and forth by wrapping their flagella
together in a helical bundle. However, other monotrichous bacteria cannot swim back and …

[HTML][HTML] Numerical simulation of self-propelled steady jet propulsion at intermediate Reynolds numbers: effects of orifice size on animal jet propulsion

H Jiang - Fluids, 2021 - mdpi.com
Most marine jet-propelled animals have low swimming efficiencies and relatively small jet
orifices. Motivated by this, the present computational fluid dynamics study simulates the flow …

[HTML][HTML] The effect of axisymmetric confinement on propulsion of a three-sphere microswimmer

A Gürbüz, A Lemus, E Demir, OS Pak… - Physics of …, 2023 - pubs.aip.org
Swimming at the microscale has recently garnered substantial attention due to the
fundamental biological significance of swimming microorganisms and the wide range of …

Hydrodynamic advantages of swimming by salp chains

KR Sutherland, D Weihs - Journal of The Royal Society …, 2017 - royalsocietypublishing.org
Salps are marine invertebrates comprising multiple jet-propelled swimming units during a
colonial life-cycle stage. Using theory, we show that asynchronous swimming with multiple …