Results 61 to 70 of about 7,419 (195)

An Experimentally Validated Cavitation Model for Hydrodynamic Bearings Using Non-Condensable Gas

open access: yesLubricants
Despite great research effort in recent decades, cavitation in hydrodynamic journal bearings is still a not completely understood phenomenon. In particular, it is unclear which proportions of different cavitation types are present in a bearing.
Sören Wettmarshausen   +6 more
doaj   +1 more source

Modelling Cavitation in (Elasto)Hydrodynamic Lubrication

open access: yes, 2016
In this chapter we will present a derivation of a mathematical model describing how cavitation influences the pressure distribution in a thin lubricant film between two moving surfaces.
Almqvist, Andreas, Wall, Peter
openaire   +3 more sources

Tribological design constraints of marine renewable energy systems

open access: yes, 2010
Against the backdrop of increasing energy demands, the threat of climate change and dwindling fuel reserves, finding reliable, diverse, sustainable/renewable, affordable energy resources has become a priority for many countries.
AbuBakr S. Bahaj   +11 more
core   +1 more source

Cavitation analysis of a double acting podded drive during ice milling [PDF]

open access: yes, 2009
Propeller ice interaction is a complex phenomenon, which relies on innovative and complex experimental research in dedicated ice tank facilities. Whilst the ice tanks model the contact forces with good agreement, the hydrodynamic loading is often only ...
Atalr, M., Sasaki, N., Sampson, Roderick
core  

Numerical study of the impact of water injection holes arrangement on cavitation flow control

open access: yesScience Progress, 2020
A method of water injection to flow field using distributed holes on the suction surface of hydrofoil is presented in this article to control cavitation flow.
Wei Wang   +5 more
doaj   +1 more source

A potential-flow based flight simulator for an underwater glider [PDF]

open access: yes, 2013
Underwater gliders are recent innovative types of autonomous underwater vehicles (AUVs) used in ocean exploration and observation. They adjust their buoyancy to dive and to return to the ocean surface.
LAURENS, Jean-Marc   +4 more
core   +1 more source

Comparison of Nannochloropsis sp. cells disruption between hydrodynamic cavitation and conventional extraction

open access: yesMATEC Web of Conferences, 2018
Biodiesel production from microalgae is one of the solution of the future energy problem, but its production cost is still high. One of the costly stages of this process is the lipid extraction process.
Setyawan Martomo   +3 more
doaj   +1 more source

Surface mechanics design by cavitation peening

open access: yesThe Journal of Engineering, 2015
Although impacts at cavitation bubble collapses cause severe damage in hydraulic machineries, the cavitation impacts can be utilised for surface mechanics design such as introduction of compressive residual stress and/or improvement of fatigue strength ...
Hitoshi Soyama
doaj   +1 more source

Hydrodynamic cavitation on high resistant microfluidic chips [PDF]

open access: yes, 2020
Cavitation is one of the phase change phenomena, which occurs as a result of a sharp static pressure drop in a fluidic system. The required pressure drop could be obtained either by acoustic wave propagation, known as acoustic cavitation, or by ...
Talebian Gevari, Moein
core  

Bubbly cavitating flow generation and investigation of its erosional nature for biomedical applications

open access: yes, 2009
This paper was presented at the 2nd Micro and Nano Flows Conference (MNF2009), which was held at Brunel University, West London, UK. The conference was organised by Brunel University and supported by the Institution of Mechanical Engineers, IPEM, the ...
Oral, O   +6 more
core  

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