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Thermal and thermohydraulic performance evaluation of a novel type double pass packed bed solar air heater under external recycle using an analytical and RSM (response surface methodology) combined approach

Singh, Satyender; Dhiman, Prashant - In: Energy 72 (2014) C, pp. 344-359

) glass covers for a fixed 95% porosity of the packed material on its thermal and thermohydraulic performances. The analytical …

Persistent link: https://www.econbiz.de/10010809784

Combustion characteristics and thermal efficiency for premixed porous-media types of burners

Yu, Byeonghun; Kum, Sung-Min; Lee, Chang-Eon; Lee, Seungro - In: Energy 53 (2013) C, pp. 343-350

the SF burner had the lowest NOx emissions and thermal efficiency. In other words, the smaller the burner porosity was … (porosity: SF < CM < MF), the higher the CO emission was and the lower the thermal efficiency was. Based on the thermal …

Persistent link: https://www.econbiz.de/10011053402

Carbon nanotubes based gas diffusion layers in direct methanol fuel cells

Gao, Y.; Sun, G.Q.; Wang, S.L.; Zhu, S. - In: Energy 35 (2010) 3, pp. 1455-1459

A carbon nanotube based gas diffusion layer (CNT-GDL) for direct methanol fuel cells (DMFCs) was prepared by sintering the wet carbon paper made of CNT, polyacrylonitrile-based carbon fibre (PCF) and PTFE, completely replacing the commercial carbon paper based GDL (Toray-GDL). The results of...

Persistent link: https://www.econbiz.de/10011053730

Experimental determination thermo physical characteristics of balled biomass

Eric, Aleksandar; Dakic, Dragoljub; Nemoda, Stevan; … - In: Energy 45 (2012) 1, pp. 350-357

The paper presents the results of an experimental investigation conducted to determine the permeability coefficients …

Persistent link: https://www.econbiz.de/10010810044

Experimental–theoretical methodology for determination of inertial pressure drop distribution and pore structure properties in wall-flow diesel particulate filters (DPFs)

Payri, F.; Broatch, A.; Serrano, J.R.; Piqueras, P. - In: Energy 36 (2011) 12, pp. 6731-6744

filtration process are strongly depending on the pore structure properties – permeability, porosity and pore size – a reliable …

Persistent link: https://www.econbiz.de/10010811479

The effects of sub-critical and super-critical carbon dioxide adsorption-induced coal matrix swelling on the permeability of naturally fractured black coal

Perera, M.S.A.; Ranjith, P.G.; Choi, S.K.; Airey, D. - In: Energy 36 (2011) 11, pp. 6442-6450

coal seams as it causes coal seam permeability to be significantly reduced. The main objective of this study was to … investigate the effect of coal mass swelling on the permeability of naturally fractured black coal. A series of permeability tests … corresponding effects on CO2 and N2 permeabilities were examined. Results indicate that the permeability of naturally fractured …

Persistent link: https://www.econbiz.de/10011052944

Thermochemical process for seasonal storage of solar energy: Characterization and modeling of a high density reactive bed

Michel, Benoit; Mazet, Nathalie; Mauran, Sylvain; … - In: Energy 47 (2012) 1, pp. 553-563

reactive bed and moist air flowing through it. The aim is the optimization of both energy density and permeability of the …

Persistent link: https://www.econbiz.de/10011055845