Objective
"Liquid-vapor phase transitions and boiling are omnipresent in science and technology, but, as far as basic understanding of the hydrodynamics, these phenomena remain ""terra incognita''. The objective of the proposed work is to achieve a fundamental understanding of the fluid dynamics and heat transfer of the liquid-vapor phase transition - in particular of boiling - both on a micro- and on a macro-scale, through experiments under well-defined and controlled conditions, accompanied by theoretical and numerical modeling. Up to now ""boiling'' has been nearly exclusively an engineering subject. We want to change this and make it a physics subject as we are convinced that boiling involves very interesting and practically relevant physics still in need of understanding.
On the micro-scale the planned experiments include nucleation studies of individual and interacting vapor bubbles on superheated, geometrically and chemically micro- and nano-structured surfaces. In the bulk of the flow, nucleation will be achieved through laser heating, through local pressure gradients, and through acoustically triggered vaporization of metastable perfluorcarbon nanodroplets in a superheated liquid. The vapor bubbles will be monitored with ultra-high-speed digital imaging, micro particle velocimetry, infrared thermography, and heat flux measurements. On the theoretical side we will use molecular dynamics simulations and the level-set method.
On the macro-scale the focus is on closed boiling turbulent flows, namely Rayleigh-Benard and Taylor-Couette flow. We will measure how the vapor bubble formation affects global quantities such as the heat flux and the angular momentum flux and thus the drag, and local flow properties such as the vapor bubble concentration. The numerical simulations, with one generic code for both geometries, will be based on discrete particle models."
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: https://op.europa.eu/en/web/eu-vocabularies/euroscivoc.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: https://op.europa.eu/en/web/eu-vocabularies/euroscivoc.
- natural sciences physical sciences classical mechanics fluid mechanics fluid dynamics
- natural sciences mathematics pure mathematics geometry
- natural sciences physical sciences optics laser physics
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Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Call for proposal
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Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
ERC-2010-AdG_20100224
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Funding Scheme
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Host institution
7522 NB Enschede
Netherlands
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