Comparison of Predicted Optical Performance with Measured Results for Dish Concentrators PDF Download
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Author: Gary J. Jorgensen Publisher: ISBN: Category : Reflective materials Languages : en Pages : 0
Book Description
Several optical design tools have been developed at the National Renewable Energy Laboratory (NREL) during the past two years. These have been used extensively both in-house and by industry to analyze dish concentrator systems and to optimize performance of such designs. Measured vs. calculated data have been compared on the basis of flux distribution (in terms of contour plots) and peak flux for both single-facet and multiple-facet cases. Excellent agreement has also been demonstrated by comparing contour maps of measured vs. computed flux levels.
Author: Gary J. Jorgensen Publisher: ISBN: Category : Reflective materials Languages : en Pages : 0
Book Description
Several optical design tools have been developed at the National Renewable Energy Laboratory (NREL) during the past two years. These have been used extensively both in-house and by industry to analyze dish concentrator systems and to optimize performance of such designs. Measured vs. calculated data have been compared on the basis of flux distribution (in terms of contour plots) and peak flux for both single-facet and multiple-facet cases. Excellent agreement has also been demonstrated by comparing contour maps of measured vs. computed flux levels.
Author: Publisher: ISBN: Category : Languages : en Pages : 7
Book Description
Several optical design tools have been developed at the National Renewable Energy Laboratory (NREL) during the past two years. These have been used extensively both in-house and by industry to analyze dish concentrator systems and to optimize performance of such designs. The first program, OPTDSH, models single-element dish concentrators. The second code, ODMF, allows multifacet dish arrays to be modeled. The accuracy of performance simulations by these programs has been established by comparing predicted results with measured on-sun data. ODMF evolved from NREL's High-Flux Solar Furnace (HFSF) design tool, SOLFUR, and in fact is a special case of SOLFUR in which the primary facet array is ''on sun.'' Consequently, confirmation of the accuracy of SOLFUR would verify the results from ODMF as well. Furthermore, because OPTDSH can be viewed as a single-facet case of ODMF, determination of the precision of SOLFUR/ODMF would also substantiate OPTDSH. Thus, the approach to verifying the correctness of all three codes was to compare flux patterns as predicted by SOLFUR with those actually measured at NREL's HFSF. Measured vs. calculated data have been compared on the basis of flux distribution (in terms of contour plots) and peak flux for both single-facet and multiple-facet cases. Agreement in measured vs. predicted peak flux values has been obtained within the uncertainty associated with the measurement/calibration process. Excellent agreement has also been demonstrated by comparing contour maps of measured vs. computed flux levels. 7 refs.
Author: American Society of Mechanical Engineers. Solar Energy Division. Conference Publisher: ISBN: Category : Solar energy Languages : en Pages : 762
Author: Publisher: ISBN: Category : Aeronautics Languages : en Pages : 538
Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author: Gary J. Jorgensen
Author: Gary J. Jorgensen
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Author: International Solar Energy Society. Congress
Author: American Society of Mechanical Engineers. Solar Energy Division. Conference
Author: Mark D. Thornbloom
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Author: Thomas Blaney Elfe
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Author: American Solar Energy Society. Annual Conference