Results 1 to 10 of about 136,445 (172)

Assessment of Variable Geometry Orifice Compressor Technology Impact in a New Generation of Compression Ignition Powertrains at Low-End and Transient Operation

Applied Sciences, 2022
Surge is a phenomenon that limits the operating range of the compressor at low engine speeds and high boost pressure in turbocharged powertrains. This article assesses two prototype turbochargers of variable geometry orifice (VGO) which compensate for ...
José Ramón Serrano, Héctor Climent, Alejandro Gomez-Vilanova, Aditya Darbhamalla, Stéphane Guilain   +4 more
doaj   +1 more source

Integral Thermal Management Studies in Winter Conditions with a Global Model of a Battery-Powered Electric Bus

Energies, 2022
The potential of e-bus transportation to improve air quality and reduce noise pollution in cities is significant. In order to improve efficiency and extend the useful life of these vehicles, there is a growing need to investigate improvements for the ...
Alberto Broatch, Pablo Olmeda, Pau Bares, Sebastián Aceros   +3 more
doaj   +1 more source

Computational Study of the Propeller Position Effects in Wing-Mounted, Distributed Electric Propulsion with Boundary Layer Ingestion in a 25 kg Remotely Piloted Aircraft

Drones, 2021
Distributed electric propulsion and boundary layer ingestion are two attractive technologies to reduce the power consumption of fixed wing aircraft.
José Ramón Serrano, Andrés Omar Tiseira, Luis Miguel García-Cuevas, Pau Varela   +3 more
doaj   +1 more source

Development of an Oxy-Fuel Combustion System in a Compression-Ignition Engine for Ultra-Low Emissions Powerplants Using CFD and Evolutionary Algorithms

Applied Sciences, 2022
This study uses an optimization approach for developing a combustion system in a compression–ignition engine that is able to operate under oxy-fuel conditions, and produces mainly CO2 and H2O as exhaust gases.
José Ramón Serrano, Gabriela Bracho, Josep Gomez-Soriano, Cássio Fernandes   +3 more
doaj   +1 more source

New Combustion Modelling Approach for Methane-Hydrogen Fueled Engines Using Machine Learning and Engine Virtualization

Energies, 2021
The achievement of a carbon-free emissions economy is one of the main goals to reduce climate change and its negative effects. Scientists and technological improvements have followed this trend, improving efficiency, and reducing carbon and other ...
Santiago Molina, Ricardo Novella, Josep Gomez-Soriano, Miguel Olcina-Girona   +3 more
doaj   +1 more source

Design and Numerical Analysis of Flow Characteristics in a Scaled Volute and Vaned Nozzle of Radial Turbocharger Turbines

Energies, 2020
Over the past few decades, the aerodynamic improvements of turbocharger turbines contributed significantly to the overall efficiency augmentation and the advancements in downsizing of internal combustion engines.
Andrés Omar Tiseira Izaguirre, Roberto Navarro García, Lukas Benjamin Inhestern, Natalia Hervás Gómez   +3 more
doaj   +1 more source

Evaluation of a Double-Entry Turbine Model Coupled With a One-Dimensional Calibrated Engine Model at Engine Full Load Curves

Frontiers in Mechanical Engineering, 2021
Turbocharging is one of the foremost ways of engine downsizing and represents the leading technology for reducing the engine CO2 emission standards in gasoline engine application.
José Galindo, José Ramón Serrano, Joaquín De La Morena, Vishnu Samala, Stéphane Guilain, Samuel Batard   +5 more
doaj   +1 more source

Comparative efficacy and validation of different diagnostic methods in detection of subclinical mastitis in farms of Bundelkhand [PDF]

Journal of Veterinary and Animal Sciences, 2022
A cross-sectional study was undertaken to validate the comparative efficacy of different diagnostic tests commonly used for the detection of subclinical mastitis.
Balendra Singh, Ramesh Kumar
doaj   +1 more source

Computational study of ECN Spray A and Spray D combustion at different ambient temperature conditions

Transportation Engineering, 2020
The combustion process of the Engine Combustion Network (ECN) Spray A and Spray D is studied over a wide range of ambient temperatures from 750 K to 900 K.
J.M. García-Oliver, R. Novella, J.M. Pastor, L. Pachano   +3 more
doaj   +1 more source

Degradation Effects of Base Oils after Thermal and Electrical Aging for EV Thermal Fluid Applications

Lubricants, 2023
This study presents the experimental results of the effects on base oils after thermal and electrical aging to determine key parameters of next-generation fluids for thermal management in electric vehicles.
Bernardo Tormos, Vicente Bermúdez, Santiago Ruiz, Jorge Alvis-Sanchez   +3 more
doaj   +1 more source