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Journal Articles

An Immersed Boundary Method for Simulation of Wind Flow Over Complex Terrain

S. Jafari, N. Chokani, R. S. Abhari
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. February 2012, 134(1): 011006.
https://doi.org/10.1115/1.4004899
Published Online: November 1, 2011
... equations power grids surface roughness turbulence wind turbines immersed boundary method Reynolds-averaged Navier Stokes micrositing wind simulation complex terrain It is well known that atmospheric boundary layer flow is significantly influenced by the underlying topography. In order...
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Topics: Flow (Dynamics), Simulation, Surface roughness, Turbulence, Wind, Wind velocity, Boundary-value problems, Reynolds-averaged Navier–Stokes equations
Journal Articles

Monitoring Solar Home Systems With Pulse Width Modulation Charge Control

Nathaniel J. Williams, E. Ernest van Dyk, Frederik J. Vorster
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. May 2011, 133(2): 021006.
https://doi.org/10.1115/1.4003586
Published Online: March 23, 2011
... systems. When appropriately considered, measurement errors can be avoided or reduced without investment in more expensive measurement equipment. 14 06 2010 04 12 2010 23 03 2011 23 03 2011 data loggers photovoltaic power systems power grids power supply quality PWM power...
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Topics: Cycles, Errors, Pulse width modulation, Solar energy, Control equipment, Circuits, Design, Batteries
Journal Articles

Comparative Evaluation of Maximum Power Point Tracking Methods for Photovoltaic Systems

G. M. S. Azevedo, M. C. Cavalcanti, K. C. Oliveira, F. A. S. Neves, Z. D. Lins
Journal: Journal of Solar Energy Engineering
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. August 2009, 131(3): 031006.
https://doi.org/10.1115/1.3142827
Published Online: June 10, 2009
... with a digital signal processor have been obtained. 04 04 2008 26 09 2008 10 06 2009 electric admittance photovoltaic power systems power convertors power grids sampling methods energy conversion photovoltaic power systems solar energy tracking Photovoltaic (PV) energy...
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Topics: Photovoltaic power systems, Simulation, Electrical conductance, Temperature