Design criteria of a thermal mass flow sensor for aircraft air data applications

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dc.creatorL. C. Ribeiro
dc.creatorRubens Alcântara de Souza
dc.creatorM. L. Oliveira
dc.creatorW. O. Avelino
dc.creatorClarice Ferreira Rene Oliveira
dc.creatorDavies William de Lima Monteiro
dc.creatorFrank Sill Torres
dc.creatorR. M. O. Hansen
dc.date.accessioned2025-04-16T16:25:13Z
dc.date.accessioned2025-09-09T01:07:12Z
dc.date.available2025-04-16T16:25:13Z
dc.date.issued2018
dc.identifier.urihttps://hdl.handle.net/1843/81664
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartof31st Congress of the International Council of the Aeronautical Sciences
dc.rightsAcesso Aberto
dc.subjectEngenharia de vôo
dc.subject.otherEmbedded Systems
dc.subject.otherAerospace systems, Aircraft Navigation, Thermal Mass Flow Sensor, Microelectromechanical Systems, Air Data Systems
dc.titleDesign criteria of a thermal mass flow sensor for aircraft air data applications
dc.typeArtigo de evento
local.description.resumoThe operating environment of aircraft air-data sensors is extremely aggressive with a wide temperature and humidity variation, suspension particles, icing and etc. The Pitot tube is widely used as air-data sensor on aircrafts, which has had many operational issues reported in the past decades due to ice-crystal obstruction of its aperture. The Microelectromechanical Systems (MEMS) technology associated with Thermal Mass Flow Sensors (TMFS) can establish a reformulation on air-data system instrumentation, since it is possible to create micro heaters and thermal sensors on the same substrate without moving parts, simplifying the operational requirements compliant to the aeronautics specifications. Exploring the simplicity and robustness of MEMS technology, a TMFS is herein designed according to criteria that meet aeronautic performance requirements, selecting adequate dimensions of the various structures in the sensor and materials compatible with semiconductor micromachining processes. This paper also presents the numerical results of the interaction of a thermal mass flowing through the integrated heater element of the sensor.
local.publisher.countryBrasil
local.publisher.departmentENG - DEPARTAMENTO DE ENGENHARIA ELETRÔNICA
local.publisher.initialsUFMG
local.url.externahttps://www.icas.org/icas_archive/ICAS2018/data/papers/ICAS2018_0609_paper.pdf

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