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High rotational heat pipe experimental analysis and modelisation for turbomachin...

High rotational heat pipe experimental analysis and modelisation for turbomachine purpose "The increase of reliability of high speed electrical machines is a crucial goal in the industrial point of view. The use of electrical equipment undergoing hard operating conditions (rotational speed, heat dissipations) leads to... ver más

30/09/2015

ENSMA

288K€

Presupuesto del proyecto: 288K€

Líder del proyecto

ECOLE NATIONALE SUPERIEURE DE MECANIQUE ET DA... No se ha especificado una descripción o un objeto social para esta compañía.

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Financiación concedida El organismo FP7 notifico la concesión del proyecto el día 2015-09-30 No tenemos la información de la convocatoria

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ENSMA

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Líder del proyecto

ECOLE NATIONALE SUPERIEURE DE MECANIQUE ET DA... No se ha especificado una descripción o un objeto social para esta compañía.

Presupuesto del proyecto 288K€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto "The increase of reliability of high speed electrical machines is a crucial goal in the industrial point of view. The use of electrical equipment undergoing hard operating conditions (rotational speed, heat dissipations) leads to the development of efficient, passive and reliable device, capable of extracting heat from those systems. As well as being an excellent passive system transferring large quantities of heat, the axial rotating heat pipe satisfies all requirements because of its reduced size and small working fluid loads. First, we propose the improvement of existing experimental set up to characterize these two phase-flow devices operating under very high radial acceleration levels. Many parameters are involved in the behavior of such a complex system: inside geometry, nature and charge in two-phase fluid and external surroundings (transient dissipations, range of temperature of cold source,..). Evaporator dissipations will be provided by induction while cooling of condenser achieved by air flow in existing high security area. Temperature evolutions of wall heat pipe will be measured by Infra red camera and heat balances will be made at several levels (inductor, heat pipe, cooling air flow…). Different filling ratios and geometry heat pipes will be investigated to get deep understanding of heat transfer performances from low to high rotational speed. In the same time and after a strong state of the art of the modelisation of transfer in heat pipe at high rotational speed, numerical modelisation will be performed at different levels: microscopic liquid/vapour level (finite volume model) then at system level by building and validate nodal networks to reach the objective of certifying the performances of each model approach versus experimental results. Thanks to these developments, we will be able to propose optimization of high rotational heat pipes for heat transfer in motorized turbomachine context."

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