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Omer Faruk Can, Nevin Celik, Filiz Ozgen, Celal Kistak and Ali Taskiran
In this study, a numerical and experimental analysis of a solar collector with roughness elements in the form of stainless-steel scourers on the absorber surface is presented. According to the location type and number of the stainless steel scourers, the...
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Mattia Bonazzi, Antonio Langone, Simone Tumiati, Edoardo Dellarole, Maurizio Mazzucchelli, Tommaso Giovanardi and Alberto Zanetti
Corundum-rich (up to 55 vol.%) felsic dykes formed with albite, ±K-feldspar, ±hercynite and ±biotite-siderophyllite cut the lower crustal rocks exposed in the Ivrea?Verbano Zone (NW Italy). Zircon is an abundant accessory mineral and its investigation th...
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Guillermo Martínez-Rodríguez, Amanda L. Fuentes-Silva, Juan R. Lizárraga-Morazán and Martín Picón-Núñez
This work introduces the concept of flexible operation in the design of solar thermal utility systems for low temperature processes. The design objectives are: (a) The supply of the thermal needs of the process (heat duty and minimum required temperature...
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Marian V. Lupulescu, Jeffrey R. Chiarenzelli, Mark E. Pecha, Jared W. Singer and Sean P. Regan
Columbite crystals from niobium-yttrium-fluorine (NYF) pegmatites lacking zircon or containing metamict cyrtolite were analyzed for major and minor elements (Electron Microprobe (EMP)), trace elements (Laser Ablation-Inductively Coupled Plasma-Mass Spect...
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Júlio César Penereiro, Guilherme de Souza Araujo (Author)
Pág. e35490
This work presents a vertical wind turbine with wind collector designed using low-cost materials and specific sensors for the acquisition of physical quantities relevant to obtain measures of efficiencies under different conditions of use. We describe th...
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Yu. L. Bolshakov,A. V. Antonov
Pág. 35 - 44
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Y. L. Bolshakov,A. V. Antonov
Pág. 57 - 70
Purpose. The paper is aimed to determinate the main ways of increasing resource efficiency and exploitation of coal current collector surface inserts of speed electric rolling stock. Methodology. The research is based on the technique relies on the use o...
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Alexandre Botari, Luiz Di Bernardo, Angela Di Bernardo Dantas
Pág. 193 - 202
Mathematical models of the filtration process are based on the mass balance in the filter bed. Models of the filtration phenomenon describe the mass balance in bed filtration in terms of particle removal mechanisms, and allow for the determination of glo...
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Amadou Koulibaly,Juan José González Bayón
Pág. 282 - 293
En este trabajo es desarrollada la modelación de un colector solar plano para calentamiento de aire operado con convección natural. El análisis del colector mediante balances de masa y energía no estacionarios aplicados a cada uno de los elementos compon...
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Alexandre Botari, Luiz di Bernardo
Pág. 167 - 175
Models of the filtration phenomenon describe the mass balance in bed filtration in terms of particle removal mechanisms, and allow for the determination of global particle removal efficiencies. These models are defined in terms of the geometry and charac...
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