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RESEARCH PAPERS

Simulation and Optimization of a Concentrated Photovoltaic System

[+] Author and Article Information
I. Mahderekal, C. K. Halford

Center for Energy Research, University of Nevada, Las Vegas, 4505 S. Maryland Parkway, Box 454027, Las Vegas, NV 89154-4027

R. F. Boehm

Center for Energy Research, University of Nevada, Las Vegas, 4505 S. Maryland Parkway, Box 454027, Las Vegas, NV 89154-4027boehm@me.unlv.edu

J. Sol. Energy Eng 128(2), 139-145 (Dec 06, 2005) (7 pages) doi:10.1115/1.2183802 History: Received November 13, 2004; Revised December 06, 2005

Reported here is the development, using results of analysis and experiments, and optimization of a numerical model for a concentrated photovoltaic system. Models for the two major components of the system (cooling system and receiver) are developed separately from one another and then linked to simulate the performance for the entire system. The model is linked to yearly weather data and the optimization routines included in MATLAB are then used to select the input parameters (pump size, number of radiators, fan speed, etc.) which maximize the solar to electrical conversion efficiency of the system.

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Copyright © 2006 by American Society of Mechanical Engineers
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References

Figures

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Figure 13

Maximum yearly energy production versus nc

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Figure 14

Histogram of nr for nc=6

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Figure 1

Schematic of proposed system

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Figure 2

Cross section of cell assembly

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Figure 3

Basic geometry of selected heat exchangers

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Figure 4

Predicted pressure drop for pure water and 50% glycol solution

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Figure 6

Experimental relation between air side Reynolds number and friction coefficient

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Figure 7

Typical profiles for tube wall temperature and liquid temperature

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Figure 8

Experimental relation between liquid side Nusselt number and Reynolds number

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Figure 9

Experimental relation between air side Nusselt number and Reynolds number

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Figure 10

Cell temperature [K] for 15 and 17 fin geometry

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Figure 11

Cell temperatures [K] with a flow rate of 0.5gpm for the whole system

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Figure 12

Fluid temperatures as function of position in the flow direction

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