Project description
Sound waves with helical wavefronts could pioneer a new era in ultrasound applications
Sound is produced when an object vibrates, creating a pressure wave that is the sequential disturbance of air particles as the sound energy travels. Most applications for contactless manipulation of matter harness the acoustic radiation force, a steady force. However, sound also generates acoustic radiation torque, which could produce rotational mechanical effects. With the support of the Marie Skłodowska-Curie Actions programme, the RMES project is investigating unique acoustic vortex beams with helical wavefronts with plans to develop a toolbox for acoustic vortex beam shaping in the ultrasonic regime. This endeavour could open the door to novel acoustic contactless manipulations of matter.
Objective
The exploratory studies on sound-matter interaction are to date one of the most promising directions as fundamental
research which can be used practically in rheology, medical imaging and other contactless manipulations. So far only
acoustic radiation force is used in applications. The study of rotational mechanical effects of sound actually remains in its
infancy and expected application potential invites a better understanding of acoustic radiation torques and further
fundamental experimental investigations. With the aim at going beyond the state-of-the art, the research project proposes to
explore experimentally new facets of the rotational mechanical effects of sound based on the use of acoustic vortex beams,
which are characterized by a helical wavefront bearing on-axis phase singularity. Indeed, depending on the specific wavematter
interaction, acoustic vortex beams can induce various rotational mechanical effects, such as angular displacements,
spinning or orbiting motions. Our approach will first consist to study acoustic radiation torque effects that do not rely on
sound-absorption, which corresponds to a sound-matter interaction regime barely explored experimentally. Also, we will
unveil experimentally the existence of recently predicted a spin contribution to the total angular momentum of acoustic vortex
beams. For these purposes, we will firstly develop a toolbox allowing versatile acoustic vortex beam shaping in the ultrasonic
regime owing to 3D printing technologies. Then, by using obtained vortex beams and appropriately designed sound-matter
interaction schemes, we will detect and monitor quantitatively the sought-after rotational mechanical effects. By addressing
original and timely scientific challenges on experimental grounds, the project will bring new knowledge in the field of acoustic
angular momenta and set a new state-of-the-art for acoustic contactless manipulations.
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: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- engineering and technology mechanical engineering manufacturing engineering additive manufacturing
- natural sciences physical sciences acoustics ultrasound
You need to log in or register to use this function
Keywords
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
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.
-
H2020-EU.1.3. - EXCELLENT SCIENCE - Marie Skłodowska-Curie Actions
MAIN PROGRAMME
See all projects funded under this programme -
H2020-EU.1.3.2. - Nurturing excellence by means of cross-border and cross-sector mobility
See all projects funded under this programme
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.
Funding Scheme
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.
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.
MSCA-IF - Marie Skłodowska-Curie Individual Fellowships (IF)
See all projects funded under this funding scheme
Call for proposal
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
(opens in new window) H2020-MSCA-IF-2020
See all projects funded under this callCoordinator
Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
33000 Bordeaux
France
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.