Thesis Collection
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Browsing by Author "Isorna Llerena, Fernando"
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Converting a Fixed‐Wing Internal Combustion Engine RPAS into an Electric Lithium‐Ion Battery‐ Driven RPAS
Isorna Llerena, Fernando; Fernández Barranco, Álvaro; Bogeat, José Antonio; Segura Manzano, Francisca
; Andújar Márquez, José Manuel (MDPI, 2020-02)
It is well proved that remotely piloted aircraft systems (RPASs) are very useful systems for remote sensing in precision agricultural labors. INTA (National Institute for Aerospace Applications) and the University of ... -
Desarrollos experimentales de sistemas basados en hidrógeno. Integración en plataformas móviles terrestres y aéreas
(Universidad de Huelva, 2021)This Thesis is organized in six Chapters according to the following order: Chapter 1 deals with the General Approach of the Thesis, which describes its structure and a brief summary of each of the Chapters that comprise ... -
Effects of Ammonia Impurities on the Hydrogen Flow in High and Low Temperature Polymer Electrolyte Fuel Cells
Isorna Llerena, Fernando; Heras Jiménez, Ainhoa de las; López González, Eduardo; Segura Manzano, Francisca; Andújar Márquez, José Manuel (Wiley, 2019)
Fuel cells are a promising technology to use as a source of electricity and heat for buildings, and as an electrical power source for electric motors propelling vehicles. They consume hydrogen as fuel and oxygen to produce ... -
Experimental evaluation of a passive fuel cell/ battery hybrid power system for an unmanned ground vehicle
López González, Eduardo; Sáenz Cuesta, Jaime; Vivas Fernández, Francisco José; Isorna Llerena, Fernando; Ridao Carlini, Miguel A.; Bordons, Carlos; Hernandez, Emili; Elfes, Alberto (Elsevier, 2019)
Unmanned vehicles are increasing the performance of monitoring and surveillance in several applications. Endurance is a key issue in these systems, in particular in electric vehicles, powered at present mainly by batteries. ... -
Hydrogen vs. Battery-Based Propulsion Systems in Unipersonal Vehicles—Developing Solutions to Improve the Sustainability of Urban Mobility
Isorna Llerena, Fernando; López González, Eduardo; Caparrós Mancera, Julio José; Segura Manzano, Francisca; Andújar Márquez, José Manuel (MDPI, 2021)
The percentage of the population in urban areas has increased by ten points from 2000 (46%) to 2020 (56%); it is expected to reach up to 70% by 2050. This undoubtedly will encourage society to use alternative transports. ...
