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Numerical analysis of a medium scale latent energy storage unit for district heating systems

Colella, Francesco; Sciacovelli, Adriano; Verda, Vittorio - In: Energy 45 (2012) 1, pp. 397-406

The present paper describes the application of computational fluid-dynamics (CFD) to the design and characterization of …

Persistent link: https://www.econbiz.de/10011053654

Effect of flue gas recirculation during oxy-fuel combustion in a rotary cement kiln

Granados, David A.; Chejne, Farid; Mejía, Juan M.; … - In: Energy 64 (2014) C, pp. 615-625

CFD model applied to coal combustion process. The CFD model is based on 3D-balance equations for mass, species, energy and …

Persistent link: https://www.econbiz.de/10011053698

Numerical simulation and experimental validation of the turbulent flow around a small incurved Savonius wind rotor

Driss, Zied; Mlayeh, Olfa; Driss, Dorra; Maaloul, Makram; … - In: Energy 74 (2014) C, pp. 506-517

In this paper, numerical simulation and experimental validation were carried out to study the turbulent flow around a small incurved Savonius wind rotor. The software “SolidWorks Flow Simulation” has been used to present the local characteristics in different transverse and longitudinal...

Persistent link: https://www.econbiz.de/10011053702

A CFD (computational fluid dynamics) based heat transfer and fluid flow analysis of a solar air heater provided with circular transverse wire rib roughness on the absorber plate

Yadav, Anil Singh; Bhagoria, J.L. - In: Energy 55 (2013) C, pp. 1127-1142

by using computational fluid dynamics (CFD). The effects of small diameter of transverse wire rib roughness on heat … height (e/D) are chosen as design variables. A two-dimensional CFD simulation is performed using the ANSYS FLUENT 12.1 code …. The present CFD investigation clearly demonstrates that the average Nusselt number and average friction factor increase …

Persistent link: https://www.econbiz.de/10011054233

Theoretical modelling and experimental investigation of a thermal energy storage refrigerator

Marques, A.C.; Davies, G.F.; Evans, J.A.; Maidment, G.G.; … - In: Energy 55 (2013) C, pp. 457-465

Numerical simulations using the computational fluid dynamics (CFD) software ANSYS Fluent were undertaken to … a horizontal PCM was tested experimentally and the results were in agreement with the CFD predictions. Both the …

Persistent link: https://www.econbiz.de/10011054280

Numerical investigation of turbulent flow generated in baffled stirred vessels equipped with three different turbines in one and two-stage system

Ammar, M.; Chtourou, W.; Driss, Z.; Abid, M.S. - In: Energy 36 (2011) 8, pp. 5081-5093

were carried out for the one-stage and two-stage systems. The numerical results from the application of the CFD …

Persistent link: https://www.econbiz.de/10011054529

Optimization of blade pitch angle of an axial turbine used for wave energy conversion

Mohamed, M.H.; Shaaban, S. - In: Energy 56 (2013) C, pp. 229-239

Wells turbine is a part of OWC (Oscillating Water Column) which is one of the most practical wave energy converters. However, they suffer low aerodynamic efficiency and consequently low power produced. It is proposed to improve the aerodynamic efficiency of Wells turbines by optimizing the blade...

Persistent link: https://www.econbiz.de/10011054547

Characterizing and modeling of an 88 MW grate-fired boiler burning wheat straw: Experience and lessons

Yin, Chungen; Rosendahl, Lasse; Clausen, Sønnik; Hvid, … - In: Energy 41 (2012) 1, pp. 473-482

to establish a reliable but relatively simple Computational Fluid Dynamics (CFD) modeling methodology for industrial … their expected impacts on CFD analysis of the kind of grate boilers are discussed. The modeling results are compared with in …

Persistent link: https://www.econbiz.de/10011054934

Computational fluid dynamic simulations in thermal waste treatment technology—Design, optimisation and troubleshooting

Hájek, Jiří - In: Energy 33 (2008) 6, pp. 930-941

The present work provides three case studies featuring applications of computational fluid dynamics (CFD) in the area …

Persistent link: https://www.econbiz.de/10011055100

Prediction of oxy-coal combustion through an optimized weighted sum of gray gases model

Kangwanpongpan, Tanin; Corrêa da Silva, Rodrigo; … - In: Energy 41 (2012) 1, pp. 244-251

. Currently models available in CFD codes fail to predict accurately the radiative heat transfer in oxy-fuel cases due to higher …

Persistent link: https://www.econbiz.de/10011055219