Results 21 to 30 of about 16,239 (217)

Flow characteristics of tip leakage vortex cavitation ofducted propeller under different cavitation conditions

Zhongguo Jianchuan Yanjiu, 2023
ObjectivesThis study aims to investigate the effects of the development of tip leakage vortex (TLV) cavitations on the core characteristics of vortices. MethodsThe numerical simulation associated with the SST k-ω turbulence model and Zwart-Gerber-Belamri
Shun XU, Qi LIU, Yicheng ZHANG, Junxin WANG, Yongliang XIONG   +4 more
doaj   +1 more source

Crystal Growth and Thermal Properties of Quasi-One-Dimensional van der Waals Material ZrSe₃

Micromachines, 2022
ZrSe3 with a quasi-one-dimensional (quasi-1D) crystal structure belongs to the transition metal trichalcogenides (TMTCs) family. Owing to its unique optical, electrical, and optoelectrical properties, ZrSe3 is promising for applications in field effect ...
Youming Xu, Shucheng Guo, Xi Chen
doaj   +1 more source

Investigations of column separation influence on pressure waves severity based on results of water hammer experiments in elastically supported pipeline

Archives of Mechanics
Water hammer (WH) events are involved in pipelines when the flow is disturbed by any reason changing its velocity, which produces pressure variations and elastic waves propagating in liquid along a pipeline at the acoustic wave-speed.
S. Henclik
doaj   +1 more source

The flow deteriorations in course of the partial load operation of the middle specific speed Francis turbine

Open Engineering, 2019
The article presents the results of experimental and numerical tests of a water turbine. As the object of the research the middle size Francis turbine, characterized by a middle value of specific speed, was taken into consideration.
Szulc Przemyslaw, Machalski Artur
doaj   +1 more source

Avidin is evolutionarily conserved in fish but dispensable for development and resistance against Streptococcus agalactiae in zebrafish

FEBS Open Bio, EarlyView.
The presence of biotin‐binding avidin proteins in fish and their biological significance are poorly characterized. We cataloged fish avidins and demonstrate that they are widely present and evolutionarily conserved. We created avd knockout zebrafish and show that zebavidin is dispensable for development and that resistance of avd knockout embryos in ...
Anni K. Saralahti, Markus J. T. Ojanen, Mataleena Parikka, Otto Kauko, Mika Rämet, Vesa P. Hytönen   +5 more
wiley   +1 more source

Variable Stiffness Flexure Structures Enabled by Phase‐Change Gallium and Adhesive Interfacial Locking for Soft Robotic Applications

Advanced Engineering Materials, EarlyView.
A flexure‐based variable stiffness structure is developed by integrating phase‐change modulation and adhesive interfacial locking of gallium. The design enables a wide stiffness variability, transitioning from soft, flexible behavior to rigid, load‐supporting performance.
Sungjin Kim, Sohee John Yoon, Yong‐Lae Park   +2 more
wiley   +1 more source

Species-Specific Shifts in Diurnal Sap Velocity Dynamics and Hysteretic Behavior of Ecophysiological Variables During the 2015–2016 El Niño Event in the Amazon Forest

Frontiers in Plant Science, 2019
Current climate change scenarios indicate warmer temperatures and the potential for more extreme droughts in the tropics, such that a mechanistic understanding of the water cycle from individual trees to landscapes is needed to adequately predict future ...
Bruno O. Gimenez, Kolby J. Jardine, Niro Higuchi, Robinson I. Negrón-Juárez, Israel de Jesus Sampaio-Filho, Leticia O. Cobello, Clarissa G. Fontes, Todd E. Dawson, Charuleka Varadharajan, Danielle S. Christianson, Gustavo C. Spanner, Alessandro C. Araújo, Jeffrey M. Warren, Brent D. Newman, Jennifer A. Holm, Charles D. Koven, Nate G. McDowell, Jeffrey Q. Chambers, Jeffrey Q. Chambers   +18 more
doaj   +1 more source

Analysis of characteristics and causes of "8.12" extreme precipitation in Hubei Province

暴雨灾害, 2023
Extreme precipitation occurred in northern Hubei,with the maximum precipitation of 518.5 mm in 24 hours and 117.9 mm in 1 hour,causing serious disasters from 20:00 BT on August 11 to 20:00 BT on August 12,2021.
Xiaolu HE, Yuanjia HAO, Haixia QI, Chunguang CUI, Youwen QIN, Tao YANG, Ge LI, Jia TANG   +7 more
doaj   +1 more source

Low‐Temperature Imidization of Polyimides (PI) for Scalable Manufacturing of Flexible Wearable Electronics

Advanced Engineering Materials, EarlyView.
Low‐temperature imidization of PEG‐modified polyimide enables fully screen‐printed, roll‐to‐roll fabrication of flexible electrodes on PET substrates, delivering robust mechanical durability and reliable ECG/EMG signal performance for wearable electronics.
Akib Abdullah Khan, Jong‐Hoon Kim
wiley   +1 more source

Affecting the Properties of Copper–Graphene Electroconductive Composite by Severe Plastic Deformation

Advanced Engineering Materials, EarlyView.
Copper‐based composites enhanced with carbon feature convenient mechanical properties and favorable electric conductivity. Processing via deformation and thermomechanical treatments can introduce advantageous microstructures further enhancing their performance. Herein, copper–graphene powder‐based composites are directly consolidated via rotary swaging
Radim Kocich, Lenka Kunčická, Pavel Czernek, Zifan Wang   +3 more
wiley   +1 more source