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Title: Effect of wall thickness of micro-combustor on the performance of micro-thermophotovoltaic power generators
Authors: Wenming, Y. 
Siawkiang, C. 
Chang, S. 
Hong, X.
Zhiwang, L. 
Keywords: GaSb PV cells
Micro-thermophotovoltaic power generator
SiC emitter
Issue Date: 13-Apr-2005
Citation: Wenming, Y., Siawkiang, C., Chang, S., Hong, X., Zhiwang, L. (2005-04-13). Effect of wall thickness of micro-combustor on the performance of micro-thermophotovoltaic power generators. Sensors and Actuators, A: Physical 119 (2) : 441-445. ScholarBank@NUS Repository.
Abstract: A prototype micro-thermophotovoltaic power generator is described in this work. The system is mainly composed of a micro-cylindrical SiC combustor, a simple nine layer dielectric filter and a GaSb photovoltaic cell array. Three kinds of micro-cylindrical SiC combustors with different wall thickness are fabricated and tested. The volume of the combustion chamber is 0.113 cm 3. The performance of the micro-TPV system is measured for all kinds of flow rates and H2/air ratios. When the inner diameter of the micro-combustor is kept as constant, with the decrease of wall thickness of the micro-combustor, both the maximum electrical power output and short-circuit current increase drastically. As the flow rate of hydrogen is 4.20 g/h, and the H2/air ratio is 0.9, the maximum electrical power outputs of the micro-TPV system are 0.92, 0.78 and 0.57 W for the wall thickness of 0.4, 0.6 and 0.8 mm, respectively. The performance of the micro-TPV power generator with a wall thickness of 0.4 mm is the best. © 2004 Elsevier B.V. All rights reserved.
Source Title: Sensors and Actuators, A: Physical
ISSN: 09244247
DOI: 10.1016/j.sna.2004.10.005
Appears in Collections:Staff Publications

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