Search Results - "Ramiro, C."

Comparative analysis of cost, emissions and fuel consumption of diesel, natural gas, electric and hydrogen urban buses by Muñoz, Pedro, Franceschini, Esteban A., Levitan, David, Rodriguez, C. Ramiro, Humana, Teresita, Correa Perelmuter, Gabriel

“…•The study is framed in Argentina for 4 urban bus fleets with different powertrains.•For the integrated index the Battery Electric Bus becomes the best option…”
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Simulation of the Earth’s radio-leakage from mobile towers as seen from selected nearby stellar systems by Saide, Ramiro C, Garrett, M A, Heeralall-Issur, N

“…ABSTRACT Mobile communication towers represent a relatively new but growing contributor to the total radio-leakage associated with planet Earth. We investigate…”
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Adalimumab or Infliximab for the Prevention of Early Postoperative Recurrence of Crohn Disease: Results From the ENEIDA Registry by Cañete, Fiorella, Mañosa, Míriam, Casanova, María José, González-Sueyro, Ramiro C, Barrio, Jesús, Bermejo, Fernando, Nos, Pilar, Iglesias-Flores, Eva, García-Planella, Esther, Pérez-Calle, José Lázaro, Vicente, Raquel, Vera, Maribel, Ramos, Laura, Rivero, Montserrat, De Francisco, Ruth, Montserrat, Antonia, Benítez, Olga, Navarro, Pablo, Taxonera, Carlos, Hinojosa, Esther, Márquez-Mosquera, Lucía, Navarro-Llavat, Mercé, Ramírez-de la Piscina, Patricia, Gomollón, Fernando, Rodríguez-Alonso, Lorena, Núñez-Alonso, Alejandro, Fernández-Salazar, Luis, Almela, Pedro, Ríos León, Raquel, De Castro, Luisa, Gisbert, Javier P, Ricart, Elena, Cabré, Eduard, Domènech, Eugeni

“…Abstract Background Anti–tumor necrosis factor agents (anti-TNFs) are efficacious at preventing the postoperative recurrence (POR) of Crohn disease, as…”
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Finite element method model to predict bulk and flash temperatures on polymer gears by Fernandes, Carlos M.C.G., Rocha, Diogo M.P., Martins, Ramiro C., Magalhães, Luis, Seabra, Jorge H.O.

“…A FEM thermal model was implemented to predict the bulk and flash temperature of gears in general and polymer gears in particular. Using the capabilities of a…”
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Gearbox power loss. Part II: Friction losses in gears by Fernandes, Carlos M.C.G., Marques, Pedro M.T., Martins, Ramiro C., Seabra, Jorge H.O.

“…The second part of the study presents an extensive campaign of experimental tests in an FZG test rig. An average coefficient of friction between meshing gears…”
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Gearbox power loss. Part I: Losses in rolling bearings by Fernandes, Carlos M.C.G., Marques, Pedro M.T., Martins, Ramiro C., Seabra, Jorge H.O.

“…This work is devoted to the analysis, modeling and validation of gearbox power loss, considering the influence of the gears, rolling bearings and seals, the…”
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Experimental analysis of the influence of the passengers on flexural vibrations of railway vehicle carbodies by Morales, A. L., Chicharro, J. M., Palomares, E., Ramiro, C., Nieto, A. J., Pintado, P.

“…It has been recently pointed out that railway vehicle passengers do not behave as inert masses but as dissipative elements: they increase modal damping without…”
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A multicriteria GIS-based approach for mapping biomass agricultural residues availability for biopower plants by Guido, Rocío E., Rodríguez, C. Ramiro, Javi, Verónica M., Oviedo, Oscar A.

“…The development of accurate bioenergetic models, that simulate scenarios for decision making and policy planning contributions, has become a necessity in the…”
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An Analysis of Slope Stability in the Penipe–Baños Road by Applying Empirical Methods, Kinematic Analysis and Remote Photogrammetry Techniques by Jordá-Bordehore, Luis, Albán, Lissette G., Valenzuela, Ramiro C., Bravo, Gianella, Menoscal-Menoscal, Melanie, Larreta, Erwin, Garces, Daniel, Mulas, Maurizio

“…The purpose of this work is to analyze the stability of four slopes along the Penipe–Baños road, which is situated in the provinces of Chimborazo and…”
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Two phosphonium cation-based ionic liquids used as lubricant additive: Part I: Film thickness and friction characteristics by Battez, A Hernández, Fernandes, Carlos MCG, Martins, Ramiro C, Bartolomé, M, González, R, Seabra, Jorge HO

“…The lubricant film thickness and friction properties of a mineral base oil and its mixtures with two phosphonium cation-based ionic liquids:…”
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Torque loss and wear of FZG gears lubricated with wind turbine gear oils using an ionic liquid as additive by Fernandes, Carlos M.C.G., Battez, A. Hernandez, González, R., Monge, R., Viesca, J.L., García, A., Martins, Ramiro C., Seabra, Jorge H.O.

“…This work presents a study of the tribological behavior of a mineral fully-formulated wind turbine gear oil additised with [BMP][NTf2] ionic liquid. The target…”
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Gearbox power loss. Part III: Application to a parallel axis and a planetary gearbox by Fernandes, Carlos M.C.G., Marques, Pedro M.T., Martins, Ramiro C., Seabra, Jorge H.O.

“…In the third part of this work, the rolling bearing torque loss model, the lubricant factor extracted from the FZG tests with wind turbine gear oils and the…”
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Gear dynamics and power loss by Marques, Pedro M.T., Martins, Ramiro C., Seabra, Jorge H.O.

“…A four degree of freedom lumped mass gear dynamics model accounting for time varying mesh stiffness, friction (constant and local COF) and damping is…”
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Coefficient of friction equation for gears based on a modified Hersey parameter by Fernandes, Carlos M.C.G., Martins, Ramiro C., Seabra, Jorge H.O.

“…The present work is first of all a bibliographic revision about the coefficient of friction equations for gears. The available expressions were compared and…”
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Two phosphonium cation-based ionic liquids used as lubricant additive. Part II: Tribofilm analysis and friction torque loss in cylindrical roller thrust bearings at constant temperature by Hernández Battez, A., Fernandes, Carlos M.C.G., Martins, Ramiro C., Graça, Beatriz M., Anand, M., Blanco, D., Seabra, Jorge H.O.

“…Two phosphonium cation-based ionic liquids (ILs): [P66614][(iC8)2PO2] (IL1) and [P66614][BEHP] (IL2) were used as an additive to a mineral oil at 0.5 and…”
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Experimental measurement of rolling bearing torque loss in a modified Four‐Ball machine: An improved setup by Marques, Pedro M. T., Martins, Ramiro C., Seabra, Jorge H. O.

“…This work presents an improved method for the measurement of the rolling bearing torque loss using a modified Four‐Ball machine. The new assembly allowed…”
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The dynamic behavior of pneumatic vibration isolators by Pintado, P., Ramiro, C., Morales, A.L., Nieto, A.J., Chicharro, J.M.

“…The ubiquity of pneumatic vibration isolators, especially in heavy road vehicle suspensions and in passenger rail vehicle secondary suspensions, has boosted…”
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Torque loss of type C40 FZG gears lubricated with wind turbine gear oils by Fernandes, Carlos M.C.G., Martins, Ramiro C., Seabra, Jorge H.O.

“…Five fully formulated wind turbine gear oils were characterised. The gear oils have 320 ISO VG grade and different formulations: ester, mineral, PAO, PAG and…”
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Energy efficiency tests in a full scale wind turbine gearbox by Fernandes, Carlos M.C.G., Blazquez, Luis, Sanesteban, Jorge, Martins, Ramiro C., Seabra, Jorge H.O.

“…A 850kW wind turbine gearbox, widely used in wind farms, was used to perform efficiency tests of different wind turbine gear oil formulations. One mineral and…”
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Friction torque of thrust ball bearings lubricated with wind turbine gear oils by Fernandes, Carlos M.C.G., Martins, Ramiro C., Seabra, Jorge H.O.

“…Planetary gearboxes used in wind turbines very often have premature bearing and gear failures, some of them related to the lubricants used. Five fully…”
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