NDLI: Power budget analysis for high altitude airships

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Power budget analysis for high altitude airships

Content Provider	NASA Technical Reports Server (NTRS)
Author	King, Glen C. Elliott, James R. Choi, Sang H.
Copyright Year	2006
Description	The High Altitude Airship (HAA) has various potential applications and mission scenarios that require onboard energy harvesting and power distribution systems. The energy source considered for the HAA s power budget is solar photon energy that allows the use of either photovoltaic (PV) cells or advanced thermoelectric (ATE) converters. Both PV cells and an ATE system utilizing high performance thermoelectric materials were briefly compared to identify the advantages of ATE for HAA applications in this study. The ATE can generate a higher quantity of harvested energy than PV cells by utilizing the cascaded efficiency of a three-staged ATE in a tandem mode configuration. Assuming that each stage of ATE material has the figure of merit of 5, the cascaded efficiency of a three-staged ATE system approaches the overall conversion efficiency greater than 60%. Based on this estimated efficiency, the configuration of a HAA and the power utility modules are defined.
File Size	1712775
Page Count	12
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20060012139
Archival Resource Key	ark:/13960/t7xm38x1b
Language	English
Publisher Date	2006-01-01
Access Restriction	Open
Subject Keyword	Aircraft Design, Testing And Performance Thermoelectric Materials High Altitude Photovoltaic Cells Airships Modules Thermoelectric Generators Estimating Energy Conversion Efficiency Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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