Literatura científica selecionada sobre o tema "Avarie de lubrifiant"
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Artigos de revistas sobre o assunto "Avarie de lubrifiant"
Almeida, Amanda S., José Roberto S. Politi e Paulo R. R. de Matos. "Síntese e Caracterização Físico-Química de Derivados de Óleos Vegetais Nativos para Uso como Óleo Base Lubrificante". Revista Processos Químicos 11, n.º 22 (3 de julho de 2017): 53–57. http://dx.doi.org/10.19142/rpq.v11i22.406.
Texto completo da fonteTsambe, Malaquias Zildo António, Cássio Florisbal de Almeida, Gabriele Lohmann, Mariana Ribeiro Santiago e Luiz Fernado de Abreu Cybis. "Avaliação do sistema de gerenciamento de óleos lubrificantes usados ou contaminados no Brasil". Tecno-Lógica 21, n.º 2 (4 de julho de 2017): 75. http://dx.doi.org/10.17058/tecnolog.v21i2.7929.
Texto completo da fonterodado, aniara, e Camille Olympie. "Crème pour voler". .able journal, n.º 16 (2023). http://dx.doi.org/10.69564/able.fr.23016.creme.
Texto completo da fonteTeses / dissertações sobre o assunto "Avarie de lubrifiant"
Decote, Maxence. "Numerical modelling of an EHL contact undergoing multiple overrollings". Electronic Thesis or Diss., Lyon, INSA, 2024. http://www.theses.fr/2024ISAL0096.
Texto completo da fonteRolling element bearings (REB) in helicopter gearboxes are essential components that enable the helicopter to fly. A failure of these components can result in severe consequences, such as the crash of the helicopter or ditching while undertaking offshore operations. In excess of 1000 incidents have been attributed to issues with the lubrication system. In the current era, helicopters are required to demonstrate a 30-minutes autorotation capability when confronted with an oil shortage. The objective of this work is to gain a deeper comprehension of the operational capabilities of a REB in the presence of an oil shortage. The ultimate goal is to enhance the run-dry requirement time in the future. In order to achieve this, this work does not consider a full REB, as this would be computationally intractable. Instead, the investigation is focused on a single contact between a rolling element and a raceway. This work represents the initial stage in the process of developing an understanding of the behaviour of a REB when it is subjected to an oil shortage. The next step would be to extrapolate the behaviour of one contact to the entire REB. Experimental studies on Loss of Lubricant (LoL) applications (i.e. oil shortages) have yielded two distinct outcomes: the stabilisation and non-stabilisation of the friction coefficient during multiple overrollings. A numerical model enabling the starvation of a Thermo-ElastoHydrodynamic Lubricated (TEHL) contact has been developed with the objective of reproducing the experimental results. An innovative method based on Moving Mesh (MM) is employed to introduce starvation. The numerical model has been validated against existing literature. A comparison with experimental works on oil shortage revealed successful replication of scenarios in which the contact operates for an extended duration without replenishment
Dionísio, Gonçalo Marques. "Proposta de um Sistema de Monitorização de Condição de Motores Diesel". Master's thesis, 2017. http://hdl.handle.net/10362/32399.
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