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Development and experimental validation of computational models for cavitating flows, surface erosion damage and material loss

Objective

Cavitation, described as the formation of vapour/gas bubbles of a flowing liquid in a region where the pressure of the liquid falls below its vapour pressure, often leads to vibration and damage of mechanical components, for example, bearings, fuel injectors, valves, propellers and rudders, impellers, pumps and hydro turbines. Cavitation erosion when experienced, normally leads to significant additional repair and maintenance costs or component replacement. Even if erosion problems can be avoided by design or operation, most often the performance of the systems is sub-optimal because countermeasures by design are needed to prevent cavitation problems. Despite the long-lasting problems associated with cavitation, computational models that could simulate cavitation and identify locations of erosion are still not thoroughly developed. The proposed interdisciplinary training and research programme aims to provide new experimental data and an open-source simulation tool for hydrodynamic cavitation and induced erosion. Insight into the detailed bubble collapse mechanism leading to surface erosion will be realised through DNS simulations, which are now feasible by the significant progress in fluid flow computational methods and parallel simulations. Information from such models will be implemented as sub-grid scale models of URANS and LES approaches, typically employed for cavitation simulation at engineering scales. Model validation will be performed against new advanced X-ray, laser diagnostics and high speed imaging measurements to be performed as part of this project. Application of the developed models to cases of industrial interest includes fuel injectors, marine propellers, hydro-turbines, pumps and mechanical heart valves. From this understanding the development of methodologies for design of cavitation-free or remedial measures and operation of devices suffering from cavitation erosion can then be established for the benefit of the relevant communities.

Call for proposal

H2020-MSCA-ITN-2014
See other projects for this call

Funding Scheme

MSCA-ITN-ETN - European Training Networks

Coordinator

CITY UNIVERSITY OF LONDON
Address
Northampton Square
EC1V 0HB London
United Kingdom
Activity type
Higher or Secondary Education Establishments
EU contribution
€ 1 093 151,52

Participants (7)

CHALMERS TEKNISKA HOEGSKOLA AB
Sweden
EU contribution
€ 527 318,64
Address
-
41296 Goeteborg
Activity type
Higher or Secondary Education Establishments
TECHNISCHE UNIVERSITEIT DELFT
Netherlands
EU contribution
€ 510 748,56
Address
Stevinweg 1
2628 CN Delft
Activity type
Higher or Secondary Education Establishments
TECHNISCHE UNIVERSITAET MUENCHEN
Germany
EU contribution
€ 498 432,96
Address
Arcisstrasse 21
80333 Muenchen
Activity type
Higher or Secondary Education Establishments
INSTITUT POLYTECHNIQUE DE GRENOBLE
France
EU contribution
€ 525 751,20
Address
Avenue Felix Viallet 46
38031 Grenoble Cedex 1
Activity type
Higher or Secondary Education Establishments
WARTSILA NETHERLANDS BV
Netherlands
EU contribution
€ 255 374,28
Address
Hanzelaan 95
8017 JR Zwolle
Activity type
Private for-profit entities (excluding Higher or Secondary Education Establishments)
Delphi Diesel Systems LTD
United Kingdom
EU contribution
€ 273 287,88
Address
Aldersgate Street 160
EC1A 4DD London
Activity type
Private for-profit entities (excluding Higher or Secondary Education Establishments)
AVL LIST GMBH
Austria
EU contribution
€ 255 934,08
Address
Hans-list-platz 1
8020 Graz
Activity type
Private for-profit entities (excluding Higher or Secondary Education Establishments)

Partners (6)

ANDRITZ HYDRO AG
Switzerland
Address
Obernauerstrasse 4
6010 Kriens
Activity type
Private for-profit entities (excluding Higher or Secondary Education Establishments)
Rolls-Royce Goodrich Engine Control Systems Limited
United Kingdom
Address
Moor Lane
DE24 8BJ Derby
Activity type
Private for-profit entities (excluding Higher or Secondary Education Establishments)
Argonne National Laboratory
United States
Address
9700 S. Cass Avenue
Argonne
Activity type
Other
ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE
Switzerland
Address
Batiment Ce 3316 Station 1
1015 Lausanne
Activity type
Higher or Secondary Education Establishments
JOHNS HOPKINS UNIVERSITY
United States
Address
North Charles Street 3400
21218 Baltimore
Activity type
Higher or Secondary Education Establishments
NANYANG TECHNOLOGICAL UNIVERSITY
Singapore
Address
Nanyang Avenue 50
639798 Singapore
Activity type
Higher or Secondary Education Establishments