Search

Your search keyword '"Marugán-Cruz, C."' showing total 26 results
Start Over Author "Marugán-Cruz, C."
26 results on '"Marugán-Cruz, C."'

19. Comparison of the Heat Transfer Characteristics of Molten Salt, Liquid Sodium and Supercritical CO2 in Bayonet Tubes of Solar Tower Receivers.

Author

Pérez-Álvarez, R., Marugán-Cruz, C., Santana-Santana, D., and AcostaIborra, A.

Subjects
*FUSED salts, *LIQUID sodium, *SOLAR receivers, *HEAT transfer, *TUBES, *WORKING fluids
Abstract

The solar tower receivers tend to experience rupture problems due to the high thermal gradients and the corrosion produced by the working fluid, typically solar salt. In this work we have developed a series of CFD simulations to study a new receiver design composed of bayonet tubes aimed to reduce the overheating the receiver in the most thermally demanded area. These simulations evaluate the thermal behavior of the tubes for different working fluids, i.e. molten salt, liquid sodium and supercritical CO2. The simulations show that, for all the working fluids analyzed, it is possible to reduce the high temperatures of the tube thanks to the asymmetries created when the bayonet tube has an eccentric configuration. Besides, the greatest reduction of temperature in bayonet tubes is achieved when the working fluid is liquid sodium due to its higher thermal conductivity. [ABSTRACT FROM AUTHOR]

Published
2019
Full Text
View/download PDF

26. Non-recyclable municipal solid waste characterization and pyrolysis for energy recovery.

Author

Serrano D, Sánchez-Delgado S, Horvat A, Marugán-Cruz C, Batuecas E, Kelebopile L, and Kwapinska M

Subjects
Refuse Disposal methods, Spain, Cities, Solid Waste, Pyrolysis, Recycling
Abstract

European regulations require that by 2030 waste suitable for recycling, material recovery, or energy recovery will no longer be allowed to end up in landfills. Material composition in non-recyclable MSW bins dictates which valorization measures could be implemented. This study examines 32 non-recyclable MSW bins in the Getafe municipality (Spain). The bulk non-recyclable MSW bin is separated into 15 residue materials along with non-combustible materials. Merely 18.1 % of the non-recyclable MSW bins occupy non-recyclable waste. This indicates inadequate separation at source. MSW samples are grouped into six clusters with similar properties using the K-nearest neighbor methodology. Representative sample from each cluster is pyrolyzed at 520 °C. The main product of pyrolysis is liquid, which makes up 57.9 wt%, while solid and gas fractions are 16.4 and 16.5 wt%, respectively. Liquid fraction is a blend of aromatic, aliphatic, oxygenated, and nitrogenated compounds, while CO 2 is the main gas compound., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2024 The Author(s). Published by Elsevier Ltd.. All rights reserved.)

Published
2025
Full Text
View/download PDF

Catalog

Books, media, physical & digital resources
See catalog results