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Thermophone - a novel heat transfer based approach to global TOnal Noise cancellation in aviation

Total Cost €


EC-Contrib. €






 ThermoTON project word cloud

Explore the words cloud of the ThermoTON project. It provides you a very rough idea of what is the project "ThermoTON" about.

layer    civil    efficient    speakers    motivates    insufficient    thermophone    accurate    aero    limiting    arts    acoustics    optimization    noise    acoustic    fourier    pressure    heat    deposits    static    demonstrating    thin    aircraft    believe    actuator    improvements    passive    alone    analyzing    hindrance    platforms    fan    emission    attenuation    people    derivation    modeling    flying    electrically    geometric    deposited    contributor    sound    dramatic    stringent    effect    opposite    flux    aviation    performance    active    creation    transfer    created    periodically    cancellation    completion    electronics    successful    divided    waves    regulatory    amplitude    conform    disturbance    macro    material    conductive    tonal    heated    modern    model    regulations    manufacturing    creates    thermo    utilized    comprising    revolutionary    truly    contributors    hardware    conduction    frequency    emitter    surface    joule    disciplinary    vibro    transducer    significance    cancelation    equal    definitions   

Project "ThermoTON" data sheet

The following table provides information about the project.


Organization address
city: HAIFA
postcode: 32000

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Israel [IL]
 Total cost 1˙993˙265 €
 EC max contribution 1˙993˙265 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2019-STG
 Funding Scheme ERC-STG
 Starting year 2020
 Duration (year-month-day) from 2020-04-01   to  2025-03-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

Limiting the number of people affected by significant aircraft noise is one of the most important tasks of modern civil aviation. Among different contributors, tonal noise is the most important due to regulatory definitions and its attenuation characteristics, with the largest contributor being the fan aero-acoustics. Current passive noise reduction methods alone are insufficient to conform with the increasingly stringent noise emission regulations. This motivates our research in active noise cancellation, based on creation of equal amplitude and frequency pressure waves, in opposite phase to the disturbance. Having identified that the actuator technology is the main hindrance against hardware implementation in flying platforms, we have been investigating a revolutionary technology based on a truly static and surface-deposited sound emitter (thermophone), which creates pressure fields by thermo-acoustic effects rather than the vibro-acoustics utilized by common speakers. Comprising of a periodically Joule heated electrically conductive thin layer, a highly efficient thermophone requires modeling of non-Fourier heat conduction in deposits. The project is divided into 4 multi-disciplinary objectives: 1. Derivation of accurate macro-scale heat conduction model, including non-Fourier effects 2. Developing thermophone performance model by analyzing thermo-acoustic effect 3. Optimization of performance by material and geometric selection, and by manufacturing processes 4. Demonstrating aero-acoustic fan noise cancelation via the thermo-acoustic effect created by static heat flux transducer In addition to the significance that this project will have to the field of aviation, I strongly believe that successful completion of each work package will provide dramatic improvements over the state of the arts in conduction heat transfer modelling, consumer electronics such as speakers, manufacturing methods for thermo-acoustic devices, and active aero-acoustic noise cancellation.

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The information about "THERMOTON" are provided by the European Opendata Portal: CORDIS opendata.

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