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|a (TOE)ost307873
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|a (TOE)307873
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|a KAPL-P--000126
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|a K--98170;CONF-981055--
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|a DE99001633
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|a Lessons learned on closed cavity thermophotovoltaic system efficiency measurements
|h [electronic resource]
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|a Washington, DC :
|b United States. Office of the Assistant Secretary for Nuclear Energy ;
|a Oak Ridge, Tenn. :
|b distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy,
|c 1998.
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|a 16 p.
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| 336 |
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|a text
|b txt
|2 rdacontent.
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|a computer
|b c
|2 rdamedia.
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| 338 |
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|a online resource
|b cr
|2 rdacarrier.
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|a Published through the Information Bridge: DOE Scientific and Technical Information.
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|a 10/01/1998.
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| 500 |
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|a "KAPL-P--000126"
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|a "K--98170;CONF-981055--"
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| 500 |
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|a "DE99001633"
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| 500 |
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|a 4. National Renewable Energy Laboratory (NREL) conference on thermophotovoltaic generation of electricity, Denver, CO (United States), 11-14 Oct 1998.
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| 500 |
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|a DePoy, D.M.; Ballinger, C.T.; Gethers, C.K.
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| 500 |
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|a Knolls Atomic Power Lab., Schenectady, NY (United States)
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| 520 |
3 |
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|a Previous efficiency measurements have highlighted that to accurately measure and predict thermophotovoltaic (TPV) integrated cell or array efficiencies, a thorough understanding of the system is required. This includes knowledge of intrinsic diode and filter characteristics, radiative surface properties of all materials used within the cavity, and an intimate knowledge of the radiator/photon source. As a result of these and other lessons learned, the cavity test fixture used in earlier experiments was redesigned. To reduce radiator temperature gradients, the radiator was oversized and thickened, cavity walls were eliminated, the diode heat sink and shielding material were separated, and the cold side was redesigned to incorporate a steady state heat absorbed measurement technique. This redesigned test fixture provides an isothermal radiator and significantly enhances calorimetry capabilities. This newly designed cavity test fixture, in conjunction with the Monte Carlo Photon Transport code RACER-X, was used to improve and demonstrate the understanding of in-cavity TPV diode/module system efficiency testing. A single TPV diode was tested in this new fixture and yielded good agreement between measurements and predictions.
|
| 536 |
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|b AC12-76SN00052.
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|a Thermophotovoltaic Converters.
|2 local.
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|a Test Facilities.
|2 local.
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|a Modifications.
|2 local.
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|a Design.
|2 local.
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|a Calorimetry.
|2 local.
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|a Energy Efficiency.
|2 local.
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|a Energy Absorption.
|2 local.
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|a Thermal Radiation.
|2 local.
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|a Direct Energy Conversion.
|2 edbsc.
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|a United States.
|b Office of the Assistant Secretary for Nuclear Energy.
|4 spn.
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| 710 |
2 |
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|a Knolls Atomic Power Laboratory.
|4 res.
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| 710 |
2 |
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|a United States.
|b Department of Energy.
|b Office of Scientific and Technical Information.
|4 dst.
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|u http://www.osti.gov/servlets/purl/307873-kFoky5/webviewable/
|z Online Access
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| 907 |
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|a .b56308607
|b 03-06-23
|c 12-16-09
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| 998 |
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|a web
|b 12-16-09
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|a University of Colorado Boulder
|b Online
|c Online
|d Online
|e E 1.99:K--98170;CONF-981055--
|h Superintendent of Documents classification
|i web
|n 1
|
