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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
Article Type: Research Papers
J. Sol. Energy Eng. February 2012, 134(1): 011006.
DOI: https://doi.org/10.1115/1.4004899
Published Online: November 1, 2011
... is applied to the complex terrain test case of Bolund Hill. The simulation results of wind speed and turbulent kinetic energy show good agreement with experiments for heights greater than 5 m above ground level. flow Navier-Stokes equations power grids surface roughness turbulence wind turbines...
View Article titled, An Immersed Boundary Method for Simulation of Wind Flow Over Complex Terrain
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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
Article Type: Research Papers
J. Sol. Energy Eng. May 2011, 133(2): 021006.
DOI: 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. data loggers photovoltaic power systems power grids power supply quality PWM power convertors secondary cells solar home system pulse width...
View Article titled, Monitoring Solar Home Systems With Pulse Width Modulation Charge Control
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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
Article Type: Research Papers
J. Sol. Energy Eng. August 2009, 131(3): 031006.
DOI: https://doi.org/10.1115/1.3142827
Published Online: June 10, 2009
... admittance photovoltaic power systems power convertors power grids sampling methods 04 04 2008 26 09 2008 10 06 2009 2009 American Society of Mechanical Engineers ...
View Article titled, Comparative Evaluation of Maximum Power Point Tracking Methods for Photovoltaic Systems
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Topics: Photovoltaic power systems, Simulation, Electrical conductance, Temperature