Change in drag, apparent slip and optimum air layer thickness for laminar flow over an idealised superhydrophobic surface

A Busse, ND Sandham, G McHale… - Journal of Fluid …, 2013 - cambridge.org
Analytic results are derived for the apparent slip length, the change in drag and the optimum
air layer thickness of laminar channel and pipe flow over an idealised superhydrophobic …

Towed body measurements of flow noise from a turbulent boundary layer under sea conditions

J Abshagen, V Nejedl - The Journal of the Acoustical Society of …, 2014 - pubs.aip.org
Results from an underwater experiment under sea conditions on flow noise beneath a flat-
plate turbulent boundary layer are presented. The measurements were performed with a …

Random noise attenuation by planar mathematical morphological filtering

W Huang, R Wang - Geophysics, 2018 - library.seg.org
Improving the signal-to-noise ratio (S/N) of seismic data is desirable in many seismic
exploration areas. The attenuation of random noise can help to improve the S/N …

Numerical investigation of the effect of convex transverse curvature and concave grooves on the turbulent boundary layer along a cylinder in axial flow

F Wachter, A Metelkin, J Jovanović, J Praß… - International Journal of …, 2021 - Elsevier
Axisymmetric turbulent boundary layers that develop around streamwise oriented long
cylinder-like objects can be found in many applications, such as towed array sonars or …

Coherent flow noise beneath a flat plate in a water tunnel experiment

J Abshagen, I Schäfer, C Will, G Pfister - Journal of Sound and Vibration, 2015 - Elsevier
Results from a combined experimental and numerical study on the properties of flow noise
on the reverse side of a flat plate excited by a turbulent boundary layer flow are reported …

Flow-induced interior noise from a turbulent boundary layer of a towed body

J Abshagen, D Küter, V Nejedl - Advances in aircraft and …, 2016 - techno-press.org
In this work results from an underwater experiment on flow-induced noise in the interior of a
towed body generated from a surrounding turbulent boundary layer are presented. The …

Ceramic and fibre optic hydrophone as sensors for lightweight arrays—A comparative study

V Pallayil - OCEANS 2017-Anchorage, 2017 - ieeexplore.ieee.org
Design and development of lightweight arrays has been a subject of intense study in recent
years. This is largely owing to the successful deployment of autonomous vehicles as …

[图书][B] Illustrated Seismic Processing Volume 2: Preimaging

SJ Hill, A Rüger - 2020 - library.seg.org
This second volume provides a foundation for understanding the vigorous, relevant, and
fascinating field of seismic processing, addressing that portion which precedes migration …

Turbulent flow noise generation under sea conditions

J Abshagen, D Küter, V Nejedl - … Flow Induced Noise and Vibration Issues …, 2019 - Springer
Flow-induced noise contributes to the self-noise level of a hydroacoustic antenna that is
either attached to or towed behind a moving platform at sea. It is induced in the interior of the …

Noise induced in a cylindrical towed model from separated/reattached turbulent flows

J Abshagen, V Nejedl - … NOISE and NOISE-CON Congress and …, 2018 - ingentaconnect.com
Results from an underwater experiment on turbulent flow-induced noise in the interior of a
cylindrical towed model are presented. The thin axisymmetric model consist of an elastic …