Zobrazeno 1 - 10
of 13
pro vyhledávání: '"José Antonio Vélez Godiño"'
Publikováno v:
Energy Reports, Vol 8, Iss , Pp 7476-7487 (2022)
The combination of alternate fuels, such as biodiesel, and low-temperature combustion (LTC) constitutes a promising solution to reduce pollutant emission and to avoid dependence on fossil fuels. However, this concept requires additional research to o
Externí odkaz:
https://doaj.org/article/83e3d6a093774035bdf34e2f9452d668
Publikováno v:
Applied Sciences, Vol 13, Iss 14, p 8179 (2023)
The current context of the climate emergency highlights the need for the decarbonization of the energy sector by replacing current fossil fuels with renewable energy sources. In this regard, concentrating solar power (CSP) technology represents a com
Externí odkaz:
https://doaj.org/article/802f3b7c7ed248909614d9b1b8a73c41
Thermal Modeling of the Port on a Refining Furnace to Prevent Copper Infiltration and Slag Accretion
Autor:
Francisco José Jiménez-Espadafor Aguilar, José Antonio Vélez Godiño, Miguel Torres García, José María. Gallardo Fuentes, Eduardo Díaz Gutiérrez
Publikováno v:
Materials, Vol 14, Iss 22, p 6978 (2021)
Fire refining of blister copper is a singular process at very high temperatures (~1400 K), which means the furnace is exposed to heavy thermal loads. The charge is directly heated by an internal burner. The impurities in the charge oxidize with the f
Externí odkaz:
https://doaj.org/article/9e51ec2c7fdf43efb9758ddfda07ce13
Autor:
Miguel Torres García, Elisa Carvajal Trujillo, José Antonio Vélez Godiño, David Sánchez Martínez
Publikováno v:
Energies, Vol 11, Iss 10, p 2655 (2018)
In this study, the results of simulations generated from different thermodynamic models of Stirling engines are compared, including characterizations of both instantaneous and indicated operative parameters. The aim was to develop a tool to guide the
Externí odkaz:
https://doaj.org/article/3bcc9e1634d64e75920bc11b046c8391
Autor:
Francisco José Jiménez-Espadafor Aguilar, José Antonio Vélez Godiño, Miguel Torres García, Daniel Palomo Guerrero
Publikováno v:
Engineering Failure Analysis. 96:455-467
This work is focused on the study of the failures identified in the valve train system of two different types of engines, one diesel and one fed by compressed natural gas, both pertaining to a fleet of urban buses. The studied failure has been report
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a70225dc4918fb348125b51901b8ef80
https://doi.org/10.1016/j.engfailanal.2018.11.003
https://doi.org/10.1016/j.engfailanal.2018.11.003
Publikováno v:
Energy. 239:121895
A compression ignition reciprocating internal combustion engine has been modified to allow operation with late direct injection of rapeseed biodiesel fuel blends. The purpose of these modifications is to reduce both the engine's carbon footprint and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cbe708f7fc6e8585c1ed4130e78c34e5
https://doi.org/10.1016/j.energy.2021.121895
https://doi.org/10.1016/j.energy.2021.121895
Publikováno v:
Aerospace Science and Technology. 106:106109
Auxiliary power units constitute a non-negligible source of pollution not only in flight conditions but also at airports and their surrounding areas. This work compiles a technical feasibility assessment focused on the analysis of innovative alternat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::38935208e41ced610802f4931f3db149
https://doi.org/10.1016/j.ast.2020.106109
https://doi.org/10.1016/j.ast.2020.106109
Autor:
José Antonio Vélez Godiño, Miguel Torres García, David Tomás Sánchez Martínez, Elisa Carvajal Trujillo
Publikováno v:
Energies, Vol 11, Iss 10, p 2655 (2018)
Energies
Volume 11
Issue 10
idUS. Depósito de Investigación de la Universidad de Sevilla
instname
Energies
Volume 11
Issue 10
idUS. Depósito de Investigación de la Universidad de Sevilla
instname
In this study, the results of simulations generated from different thermodynamic models of Stirling engines are compared, including characterizations of both instantaneous and indicated operative parameters. The aim was to develop a tool to guide the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4e13fc9d37fadc466946288a57030ead
Autor:
Elisa Carvajal Trujillo, José Antonio Vélez Godiño, Miguel Torres García, David Tomás Sánchez Martínez
The Stirling engine is a simple type of external-combustion engine with an external combustion engine based on cyclic compression and expansion of gas at different temperature levels. It has high efficiency; low vibration levels, simple structure and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6a84c1fcfe39a269bbe9e21f4995f734