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Advanced Modelling Methodology for Bearing Chamber in Hot Environment

Objective

The AMBEC project aims to develop a reliable experimentally validated methodology able to calculate heat transfer coefficients and fluid distribution in different zones of bearing chamber. The methodology will be used for improvement of the design of compact bearing chambers in hot environment.
Proposed concept consists in combination of advanced CFD simulation and experimental investigation of fluid flows and heat transfer phenomena in bearing chamber. The advantages of the proposed methodology consist in:
- More accurate determination of oil film thickness and, consequently, heat exchange conditions and heat fluxes along the perimeter of the bearing chamber. Numerical simulation of oil film formation and motion will take into account the combined action of forces of interphase interaction, gravity and centrifugal effects.
- More accurate determination of heat exchange between air and oil film. This problem will be solved taking into account possible rupture of liquid film onto the drops, their crushing and coagulation.
These advantages fully meet call expectations, while proposed approaches and methodologies have been proven by AMBEC partners during previous extensive R&Ds.
After project completion, the Topic Leader will obtain experimentally validated innovative methodology for analysis of heat transfer and fluid flows in the compact bearing chamber and recommendations for chamber design improvement. These outputs will feed the development of LP spool bearing chamber for UHPE Demonstrator for SMR aircraft in the frame of CS2 Engine ITD activities.
Application of AMBEC methodology for aircraft engine design will ensure less oil flow rate, which will lead to reduction of power consumption by oil pumps and thus overall fuel savings. This will give European aeronautical industry an opportunity to better compete at global market and will contribute to greening of EU aviation.
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Coordinator

SCIENCE AND TECHNOLOGY CENTER IN UKRAINE

Address

Metalistiv 7a
03057 Kyiv

Ukraine

Activity type

Public bodies (excluding Research Organisations and Secondary or Higher Education Establishments)

EU Contribution

€ 4 000

Participants (3)

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ZAPOROZHYE MACHINE-BUILDING DESIGN BUREAU PROGRESS STATE ENTERPRISE NAMED AFTER ACADEMICIAN A.G. IVCHENKO

Ukraine

EU Contribution

€ 549 543,75

MOTOR SICH JSC

Ukraine

EU Contribution

€ 830 000

NATIONAL AEROSPACE UNIVERSITY KHARKIV AVIATION INSTITUTE NAMED BY N ZUKOVSKIY

Ukraine

EU Contribution

€ 316 125

Project information

Grant agreement ID: 785493

Status

Ongoing project

  • Start date

    1 May 2018

  • End date

    30 April 2021

Funded under:

H2020-EU.3.4.5.5.

  • Overall budget:

    € 1 700 668,75

  • EU contribution

    € 1 699 668,75

Coordinated by:

SCIENCE AND TECHNOLOGY CENTER IN UKRAINE

Ukraine