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SBIR/STTR

High Efficiency Solar Furnace Core, Phase I

Completed Technology Project

Project Introduction

High Efficiency Solar Furnace Core, Phase I
It is proposed to develop a high efficiency solar furnace core that greatly lessens the heat losses from the furnace core, either greatly reducing the amount of solar radiation needed to reach a specified temperature, or greatly increasing the temperature it can achieve. Specific program goals include: 1) Specification of the techniques to be used for generating the appropriate vacuum in the furnace and the vacuum level that must be achieved to provide insulation from gas convection. 2) Improved heat and solar radiation shields, 3) Improved crucible technology, and 4) Very high temperature furnace technology (2500oC). Thanks to extensive furnace technology development work at TvU, the relevant technologies can be demonstrated within the limited resources of a Phase 1 program, allowing concentration on overall solar furnace designs. TvU will deliver a small prototype solar furnace to NASA at the end of Phase 2, together with a variety of furnace technologies, depending on NASA's present and future needs. Improved solar furnaces will lead to significant new extra-terrestrial materials processing capabilities. More »

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