Exploració per autor "Arias Montenegro, Francisco Javier"
Ara es mostren els items 21-40 de 88
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Ferrofluid moving thin films for active flow control
Arias Montenegro, Francisco Javier (Elsevier, 2021-01-12)
Article
Accés obertFerrofluid moving thin films and their possible significance with regard to active flow control for lift and attack angle enhancement are discussed. In this strategy, a very thin film of ferrofluid is strongly attached at ... -
Ferrofluid thin films for aerofoil lift enhancement and delaying flow separation
Arias Montenegro, Francisco Javier (Cambridge University Press, 2020-08-18)
Article
Accés obertIn this work, consideration is given to a novel concept for aerofoil lift enhancement and delaying flow separation. Here, lift enhancement is attained by preventing the growth of the boundary layer through the elimination ... -
Ferrohydrodynamic capillary convection
Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2018-09-30)
Article
Accés restringit per política de l'editorialIn this work consideration is given to capillary convection on ferrofluids owing to the concentration gradient generated when a non-homogeneous magnetic field is applied. It is known that mass transfer along an interface ... -
Film boiling heat transfer from micro heat sinks driven by Bénard-Marangoni convection
Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2021-01-26)
Report de recerca
Accés obertBénard-Marangoni convection and its significance with regard to film boiling heat transfer from micro heat sinks is discussed. In recent works cooling performance of micro heat sinks has been studied showing that two-phase ... -
Film melting heat transfer from a horizontal open surface
Arias Montenegro, Francisco Javier (2019-05-26)
Report de recerca
Accés obertIn this internal report, consideration is given to the velocity of melting from a horizontal open surface and with particular reference to polar caps and large glaciers. In current models, the melting velocity is critically ... -
Gas film heat transfer as enhancement strategy for phase change materials
Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (Wiley (John Wiley & Sons), 2019-10-16)
Article
Accés obertIn this work, consideration is given to an alternative strategy for phase change materials (PCMs) heat transfer enhancement with particular reference to horizontal plates. In contrast with current approaches in which heat ... -
Generalization on “A symple analytic formula for the effective thermal conductivity of dilute dispersion of hollow and floating hollow spheres” [Int. J. Heat Mass Transfer 209 (2023), 124111]
Arias Montenegro, Francisco Javier (2023-11)
Article
Accés restringit per política de l'editorialIn this note, consideration is given to a generalization of the previous paper entitled, “A symple analytic formula for the effective thermal conductivity of dilute dispersion of hollow and floating hollow spheres” in which ... -
Gravitomagnetic separation of bipolar charged martian dust
Arias Montenegro, Francisco Javier (2017)
Comunicació de congrés
Accés obertThe possible role of magnetic anomalies on Mars in gravitational enhancement of separation of charged dust is considered. It is known that charges become spatially separated by differential transport and gravitational ... -
Heat removal system for shutdown in nuclear thermal rockets and advanced concepts
Arias Montenegro, Francisco Javier; Parks, Geoffrey T. (2017-02-09)
Article
Accés obertIt is well-known that a nuclear thermal rocket (NTR) cannot be abruptly shut down. After a power manoeuver, the reactor has contaminated itself with fission products and the decay heat released must be removed by maintaining ... -
Hornet Vespa velutina selective capture by air entrainmen
Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2019-06-09)
Report de recerca
Accés obertIn a previous report, [1], the possibility for selective capture of Vespa velutina by the use of an air cannon was discussed. In this second report, we address the alternative possibility for selective capture of ... -
Hydro energy harvesting by using compliant surfaces: preliminary experimental assessment
Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2020-03-13)
Article
Accés obertIn this work consideration is given for hydro energy harvesting contained in residual water streams. The idea lies in the bifurcation of the stream into two channels separated by a compliant surface or membrane which, ... -
Hydrocavitation piezoelectric ocean wave energy harvesting
Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2021-10-01)
Article
Accés obertThe possibility to convert the ocean wave energy into electrical energy by piezoelectric layers has excited the imagination of ocean wave energy conversion designers for decades owing to its relative robustness (no mechanical ... -
Hydrokinetic energy conversion using compliant surfaces
Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2019-05-21)
Article
Accés obertIn this work, consideration is given for a novel technology based on the use of compliant surfaces (membranes) for hydrokinetic energy conversion (HEC) from residual waters where the use of traditional turbines is either ... -
Ice friction for moving the heavy stones at the ancient Pumapunku complex. A first technological approach to the age problem
Arias Montenegro, Francisco Javier (2019-06-25)
Report de recerca
Accés obertIn this work, ice-lubrication for moving the lithic material at the Tiwanaku complex and particulary at the ancient Pumapunku site is discussed. Ice friction (sliding stones on a sheet of ice) is identified as the most ... -
Magnetic hyperthermia for particle image velocimetry (MH-PIV)
Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2021-01-26)
Report de recerca
Accés obertIn this work a novel approach is investigated for Particle Image Velocimetry (PIV) which is a technique used as optical method for instantaneous flow visualization. So far traditional PIV is based in the injection of small ... -
Magnetic Mars dust removal technology: a dustblasting technique for Mars
Arias Montenegro, Francisco Javier (2018-01)
Article
Accés restringit per política de l'editorialIt is known that the Martian atmosphere contains a large amount of suspended dust. The saltation process, or gravitational settlement of atmospheric dust, onto the surface of solar arrays can affect the utility of solar ... -
Magnetic Mars dust-removal technology
Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (springer-Verlag, 2019-02-04)
Article
Accés obertEnvironmental data recorded by the Mars exploration rovers show that the martian dust is magnetic containing mostly the strong magnetic mineral magnetite ( Fe3O4 ). On the other hand, it is known that dust settling onto ... -
Magnetic traveling waves induced by mini-coils for sweeping dust of Mars solar arrays
Arias Montenegro, Francisco Javier (American Institute of Aeronautics and Astronautics (AIAA), 2018)
Text en actes de congrés
Accés restringit per política de l'editorialIn this work consideration is given to dust removal from surface of Mars solar arrays by harnessing the magnetic properties of the dust. Here, it is speculated a possible technique by which localized and properly spaced ... -
Magnetocaloric anemometry. A novel concept for fluid flow measurement
Arias Montenegro, Francisco Javier (2020-06-01)
Article
Accés obertColloidal magnetic fluids (ferrofluids) and its significance with regard to fluid flow measurement is discussed. This concept -which can properly be called as magnetocaloric anemometry, blikewise than hot-wire anemometry ... -
Magnetorheological liposomes. An alternative approach for drug delivery driven by mutual magnetic dipole-dipole interaction
Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (Elsevier, 2022-11-07)
Article
Accés restringit per política de l'editorialIn this study consideration is given to an alternative approach for drug release by the use magnetorheological liposomes with the aim to eliminate the need for an external oscilatori magnetic field (hyperthermia) for rupture ...