Results 21 to 30 of about 424 (174)

Experimental study on local scour around large-diameter submerged cylinders under combined waves and current action

Shui kexue jinzhan, 2019
The characteristics of local scour around large-diameter submerged cylinders are quite different from the non-submerged ones under combined wave and current conditions. Local scour model tests are carried out in a wave-current flume. A submerged cylinder
CHENG Yongzhou, LYU Xing, WANG Wensen, HUANG Xiaoyun, XIA Bo   +4 more
doaj   +1 more source

Numerical Simulations of Scour around Vertical Wall Abutments with Varying Aspect Ratios under Combined Waves and Current Flows

Journal of Marine Science and Engineering, 2023
The present study employs numerical simulations to investigate vertical wall abutment scour with different aspect ratios (B/L, where B is the abutment length in the flow direction, and L is the abutment length transverse to the flow direction) under the ...
Lalit Kumar, Mohammad Saud Afzal
doaj   +1 more source

Impact flow and bed layering on equilibrium depth of scour at elliptical guide banks [PDF]

IOP Conference Series: Materials Science and Engineering, 2019
Abstract In the paper is present study the equilibrium scour at elliptical guide banks at different Fr number of the open flow, contraction, uniform or stratified bed model. A new approach for calculation equilibrium depth of scour at elliptical guide banks is elaborated and method for calculation equilibrium depth of scour bed at ...
B Gjunsburgs, M Vilnitis, J Parilkova, M Bizane   +3 more
openaire   +1 more source

Study on time development of horse-shoe vortex diameter and shear stress at bridge pier [PDF]

مهندسی منابع آب, 2020
Horse-shoe vortex at the bridge pier nose is a final result of reverse pressure gradient at the upstream side of pier and river surface. From literature review different ideas about the formation and initiation of horse-shoe vortex at the bridge pier can
Mojtaba Karimaei Tabarestani
doaj  

Experimental study on local scour characteristics around an upstream inclined pile under combined wave and current action

Shui kexue jinzhan, 2022
In the context of wave-current, the characteristics of vortex structure and wave propagation around the upstream inclined pile differ significantly than around the vertical pile, which affects the local scour process of the pile foundation.
Yongzhou CHENG, Haiyang CHENG, Xiaoguang WANG, Xiaoyun HUANG, Xing LYU   +4 more
doaj   +1 more source

Local scour at offshore windfarm monopile foundations: A review

Water Science and Engineering, 2022
In this article, current research findings of local scour at offshore windfarm monopile foundations are presented. The scour mechanisms and scour depth prediction formulas under different hydrodynamic conditions are summarized, including the current-only
Da-wei Guan, Yu-xuan Xie, Zi-shun Yao, Yee-Meng Chiew, Ji-sheng Zhang, Jin-hai Zheng   +5 more
doaj   +1 more source

Scanning Parametric Sediment Echosounder as Tool for Underwater Archaeological Prospection

Archaeological Prospection, EarlyView.
ABSTRACT Underwater cultural heritage 3D prospection techniques, especially for remains that are partly buried in the ground, are only very rarely available and often can only be applied with considerable technical effort. To overcome this limitation, we evaluate a methodological adaption of widely used and available single channel parametric sediment ...
Dennis Wilken, Philipp Held, Jacob Geersen, Marcel Bradtmöller, Peter Feldens, Jens Schneider v. Deimling   +5 more
wiley   +1 more source

Scour depth beneath a pipeline undergoing forced vibration

Theoretical and Applied Mechanics Letters, 2015
This paper studies the coupling effect of the pipeline vibration on the seabed scour. A vertical two-dimensional model is applied to numerically investigate the local scour below a vibrating pipeline with different amplitudes and periods. Using the scour
Y. Luan, D. Liang, R. Rana
doaj   +1 more source

Purification of Advanced Therapeutics by Flow‐Through Pseudo‐Affinity Chromatography: Bi‐Specific mABs, Fc Fusion Proteins, and Adeno‐Associated Viruses

Biotechnology and Bioengineering, EarlyView.
ABSTRACT Modern biopharmaceutical manufacturing requires purification platforms capable of processing structurally and functionally diverse products while addressing the challenge of removing persistent and high‐risk host cell proteins (HCPs).
Wenning Chu, Eduardo Barbieri, Arianna Minzoni, Shriarjun Shastry, Jacob P. LeBarre, Qingbo Shu, Taufika Williams, Xuanwen Li, Divya Chandra, Xuankuo Xu, Jerome Bill, David Roush, Joseph Taris, Patrick Gilbert, Andre Kiesewetter, Oliver Rammo, Michael Schulte, Christopher Major, Trina Mouchahoir, Steven Cramer, Cristiana Boi, Ruben G. Carbonell, Abraham Lenhoff, Stefano Menegatti   +23 more
wiley   +1 more source

Amidase‐Catalyzed Desorption of CO2 Captured in Aqueous Monoethanolamine (MEA) Solutions

Angewandte Chemie, Volume 138, Issue 33, 10 August 2026.
CO2 is captured in aqueous monoethanolamine (MEA) sorbents as carbamate and bicarbonate/carbonate. The subsequent desorption for storage or utilization is energy‐intensive, and this is a major impediment to industrial carbon dioxide removal (CDR) processes. The desorption process can be promoted by enzymes that catalyze the dissociation of distinct CO2‐
Yang Yang, Onur Kırtel, Silke Flindt Badino, Lea Helena Strother, Laura Rotilio, Jerik Mathew Valera Lauridsen, Stefanie Neun, Jens Preben Morth, Ji‐Woong Lee, Ditte Hededam Welner, Peter Westh   +10 more
wiley   +2 more sources