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Mostrando ítems 141-150 de 252
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Natural ventilation systems to enhance sustainability in buildings: a review towards zero energy buildings in schools
(Web of conferences, 2017)
European regulations set the condition of Zero Energy Buildings for new buildings since 2020, with an intermediate milestone in 2018 for public buildings, in order to control greenhouse gases emissions control and climate ...
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Increasing the solar share in combined cycles through thermochemical energy storage
(Elsevier, 2021-02)
The integration of Concentrating Solar Power (CSP) in combined cycles is a subjects of increasing attention. Combined cycles require high temperature at the gas turbine inlet (typically over 1000 °C), which hinders plant ...
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Identification of best available thermal energy storage compounds for low-to-moderate temperature storage applications in buildings
(Consejo Superior de Investigaciones Científicas (CSIC), 2018)
Over the last 40 years different thermal energy storage materials have been investigated with the aim of enhancing energy efficiency in buildings, improving systems performance, and increasing the share of renewable energies. ...
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Building geometry data from online maps for accurate thermal simulations of districts
(Springer, 2023-06)
Current approaches for simulating the energy performance of buildings on a large scale are limited by numerous assumptions and simplifications, which can lead to inaccurate estimations. While new tools and procedures are ...
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Supercritical Carbon Dioxide Cycles for Concentrated Solar Power Plants: A Possible Alternative for Solar Desalination
(MDPI, 2022)
This manuscript investigates the supercritical carbon dioxide (sCO2) power cycle employed in the power block of concentrated solar power (CSP) plants—solar tower—as an alternative for solar desalination, developed with ...
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Water liquid distribution in a bioinspired PEM fuel cell
(https://www.sciencedirect.com/science/article/pii/S0360319923040831, 2023)
Water management is a key factor in the operation of hydrogen fuel cells since its formation may lead to significant mass transport losses, oxygen diffusion limitation and membrane durability issues. In this work, the ...
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Flame confinement in biomass combustion systems for particles abatement
(Elsevier, 2022)
This work explores the use of open-pore, inert ceramic foams with different pore sizes as particle abatement systems in small biomass combustion systems. Porous foams made of silicon carbide with pore sizes 10 to ...
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Dynamics of the pedestal transport during edge localized mode cycles at ASDEX Upgrade
(IOP Publishing, 2020)
The dynamic behaviour of the ion and electron energy, particle and momentum transport measured during type-I edge localized mode (ELM) cycles at ASDEX Upgrade is presented. Fast measurements of the ion and electron temperature ...
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Conceptualizing novel CH₃OH-based thermochemical energy storage routes via a modeling approach
(Cell Press, 2023-04)
Thermal energy storage systems are an emerging option for efficient energy conversion and storage, especially if they can concentrate solar energy. This work studies a flexibleCH₃OH-to-CH₄ conversion system from intermediate ...
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An improved model for the synthetic generation of high temporal resolution direct normal irradiation time series
(Elsevier, 2015-12)
Several studies have confirmed the relevant impact of the resolution and frequency distribution of solar radiation data on the results of detailed production models. Many of the available direct normal irradiance (DNI) ...