Search Results - "Amiri, Mojtaba Maali"

A Review of Numerical and Physical Methods for Analyzing the Coupled Hydro–Aero–Structural Dynamics of Floating Wind Turbine Systems by Maali Amiri, Mojtaba, Shadman, Milad, Estefen, Segen F.

“…Recently, more wind turbine systems have been installed in deep waters far from the coast. Several concepts of floating wind turbine systems (FWTS) have been…”
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Application of elliptic-blending turbulence models to the flow separation over a 6:1 prolate spheroid at incidence by Amiri, Mojtaba Maali, Shadman, Milad, Estefen, Segen F.

“…This work investigates the applicability of three different elliptic-blending RANS-based turbulence models to predict the turbulent flow separation over a 6:1…”
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A review of physical and numerical modeling techniques for horizontal-axis wind turbine wakes by Amiri, Mojtaba Maali, Shadman, Milad, Estefen, Segen F.

“…Wake effects within a wind farm are identified as one of the main factors impacting wind farm power production and fatigue loading on wind turbines’ structural…”
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Environmental impacts of offshore wind installation, operation and maintenance, and decommissioning activities: A case study of Brazil by C, O. Mauricio Hernandez, Shadman, Milad, Amiri, Mojtaba Maali, Silva, Corbiniano, Estefen, Segen F., La Rovere, Emilio

“…The objective of the paper is to perform a review of the environmental impacts of the installation, operation and maintenance (O&M), and decommissioning of…”
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URANS simulations of a horizontal axis wind turbine under stall condition using Reynolds stress turbulence models by Amiri, Mojtaba Maali, Shadman, Milad, Estefen, Segen F.

“…Over the last decade, a dramatic increase in the size of commercial wind turbines is noticeable. The optimal structural design and reliable fatigue-life…”
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An initial evaluation of the free surface effect on the maneuverability of underwater vehicles by Amiri, Mojtaba Maali, Esperança, Paulo T., Vitola, Marcelo A., Sphaier, Sergio H.

“…The present study aims to evaluate the free surface effect on the maneuverability of an axisymmetric underwater vehicle (UV) in the horizontal plane…”
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Investigation into the wave system of a generic submarine moving along a straight path beneath the free surface by Amiri, Mojtaba Maali, Sphaier, Sergio H., Vitola, Marcelo A., Esperança, Paulo T.

“…The present study aims to investigate the wave system of a generic submarine traveling along a straight path beneath the free surface by using the unsteady…”
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How does the free surface affect the hydrodynamics of a shallowly submerged submarine? by Amiri, Mojtaba Maali, Esperança, Paulo T., Vitola, Marcelo A., Sphaier, Sergio H.

“…•The interaction between the bow and aft shoulder waves appears to play a significant role in the hydrodynamic behavior of a shallowly submerged submarine.•The…”
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Techno-economic analysis of hydrogen production from offshore wind: The case of Brazil by de Almeida, Jeferson Osmar, Shadman, Milad, dos Santos Ramos, Janito, Bastos, Iago Thiarõ Chaves, Silva, Corbiniano, Chujutalli, John Alex Hernandez, Amiri, Mojtaba Maali, Bergman-Fonte, Clarissa, Ferreira, Gabriella Ramos Lacerda, da Silva Carreira, Edvaldo, da Silva Dias, Robson Francisco, de Miranda, Paulo Emílio Valadão, Estefen, Segen Farid

“…Given the need to reduce carbon emissions, research related to hydrogen production using renewable energy sources has increased in the last few years by…”
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URANS investigation of the interaction between the free surface and a shallowly submerged underwater vehicle at steady drift by Amiri, Mojtaba Maali, Sphaier, Sergio H., Vitola, Marcelo A., Esperança, Paulo T.

“…•An underwater vehicle at moderate steady drift close to the free surface is simulated.•The leeward vortical flow structure interacts significantly with the…”
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Viscosity effect on an underwater vehicle-free surface hydrodynamic interaction by Amiri, Mojtaba Maali, Sphaier, Sergio H., Vitola, Marcelo A., Esperança, Paulo T.

“…•This paper explores the viscosity effect on a shallowly submerged UV hydrodynamics.•Even at zero incidence, the viscosity has a non-negligible…”
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Formulation of a nonlinear mathematical model to simulate accelerations of an AAMV in take-off and landing phases by Amiri, Mojtaba Maali, Dakhrabadi, Mohammad Tavakoli, Seif, Mohammad Saeed

“…Aerodynamically alleviated marine vehicle (AAMV) is a high speed craft equipped with aerodynamic surfaces that operating in ground effect zone provides this…”
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Challenges and alternatives for unmanned underwater vehicular research in the Amazon basin: Towards a more sustainable management of water resources and the environment by Fontes, Jassiel V. H., Silva, Eliana Brandão, Silva, Rodolfo, Amiri, Mojtaba Maali, Mendoza, Edgar, Maia, Harlysson W. S., Hernández, Irving D.

“…The Amazon basin is one of the largest hydrographic systems in the world, possessing a great diversity of natural resources in need of more sustainable water…”
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Development of a semi-empirical method for hydro-aerodynamic performance evaluation of an AAMV, in take-off phase by Amiri, Mojtaba Maali, Dakhrabadi, Mohammad Tavakoli, Seif, Mohammad Saeed

“…An assessment of the relative speeds and payload capacities of airborne and waterborne vehicles accentuates a gap that can be usefully filled by a new vehicle…”
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