Ponències/Comunicacions de congressos: Enviaments recents
Ara es mostren els items 1-12 de 70
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Fast urban flow predictions through Convolutional Neural Networks
(2023)
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Accés obertHaving real-time and accurate numerical predictions of urban wind flow can be extremely useful for developing tools intended to improve citizens’ life quality and health. However, traditional methods such as Computational ... -
Design, implementation and testing of a 24 GHz 5G band RFI detection payload for a PocketQube
(Institute of Electrical and Electronics Engineers (IEEE), 2023)
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Accés obertDue to the recent licensing of the 26 GHz 5G communications bands, the passive microeaves Remote Sensing community is concerned that spurious out-of-band emissions could interfere with the measurements acquired in the 23.8 ... -
Description of the Rita payload aboard AlainSat-1, A 3U educational Cubesat
(Institute of Electrical and Electronics Engineers (IEEE), 2023)
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Accés obertThe Remote sensing and Interference detector with radiome-Try and vegetation Analysis (RITA) payload was selected in 2019 the 2nd GRSS Student Grand Challenge to fly onboard AlainSat-1, a 3U CubeSat developed at the National ... -
Characterization and verification of the Rita payload hyperspectral imager in Alainsat-1, as part of the 2nd IEEE GRSS student grand challenge
(Institute of Electrical and Electronics Engineers (IEEE), 2023)
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Accés obertThe Remote sensing and Interference detector with radiome-Try and vegetation Analysis (RITA Payload) [1] is a development of the UPC NanoSat Lab, aimed at Earth Observation (EO). It is one of the winners of the Second IEEE ... -
Numerical assessment of the effect of hydrogen enrichment of a technically premixed swirl-stabilized natural gas flame
(American Society of Mechanical Engineers (ASME), 2023)
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Accés obertHigh-fidelity large eddy simulations (LES) are conducted for lean natural gas flames with different levels of hydrogen enrichment in a technically premixed swirl-stabilized combustor (PRECCINSTA) operated at atmospheric ... -
Large-scale coherent structures in an asymmetrically heated channel flow
(European Research Community on Flow, Turbulence, and Conbustion (ERCOFTAC), 2023)
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Accés obertA compressible direct numerical simulation (DNS) has been conducted to analyze the behavior of low-speed flows submitted to a strong temperature gradient in a fully developed and asymmetrically heated turbulent channel ... -
Propellant–free station–keeping design of a solar sail around the Sun–Earth collinear equilibrium points
(International Astronautical Federation, 2022)
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Accés obertIn this paper, we focus on the propellant–free station-keeping design of a solar sail spacecraft around the unstable Sun–Earth collinear equilibrium point L2. The dynamical model considered is the Sun–Earth restricted ... -
Pre-tactical prediction of atfm delay for individual flights
(Institute of Electrical and Electronics Engineers (IEEE), 2022)
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Accés obertAirlines develop an operation plan, during the day prior to operations (D-1), to identify potential network issues and prepare potential pre-tactical preventing measures such as aircraft tail swapping or crew reassignment ... -
Dispatcher3 – Machine learning for efficient flight planning: approach and challenges for data-driven prototypes in air transport
(2022)
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Accés obertMachine learning techniques to support decisionmaking processes are in trend. These are particularly relevant in the context of flight management where large datasets of planned and realised operations are available. ... -
Data-driven wall modeling for Large Eddy Simulation of non-equilibrium flows: preliminary studies
(Parallel Computational Fluid Dynamics (ParCFD), 2022)
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Accés restringit per política de l'editorialThe availability of high fidelity data due to the recent developments in high-performance computing(HPC), has opened new doors for wall modeling in Large Eddy Simulation(LES). By augmenting the physics-based model with ... -
Monitoring coastal storms’ effects on the Trabucador barrier beach (Ebro Delta) through Sentinel-2 derived shorelines
(2022)
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Accés obertThe vulnerable Trabucador barrier beach has recently suffered significant storm-induced geomorphological changes. This study presents the monitoring of its shoreline during storm events for assessing their effects on beach ... -
Alternative 4D trajectories for the avoidance of weather- and contrail-sensitive volumes
(Single European Sky ATM Research (SESAR), 2022)
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Accés obertWe present a framework to generate, in a multi-aircraft environment, 4D optimized trajectories in a scenario with several weather constraints obtained with advanced weather prediction models. We focus on the trajectory ...
