Thermal Performance testing of the BepiColombo high-temperature MLI

Ranzenberger, Christian; Möser, Martin; Varewijck, George; Lehmann, B.; Ritter, Heiko; Battaglia, Domenico; Schilke, Jürgen

doi:10.2514/6.2010-6164

Cited by 3 publications

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“…The final goal of this study is to propose a new insulation system with polyimide foam (PI-F) and to build an art of design of the new insulation system by clarifying the heat transfer mechanism of PI-F. Polyimide foam is tried to use as a spacer of MLI in order to increase the resistance to high temperature in BepiColombo mission [3,4]. Our intended purpose of use of PI-F isn't as spacer of MLI and is as main insulator.…”

Section: Introductionmentioning

confidence: 99%

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Performance Evaluation of New Thermal Insulation System with Polyimide Foams

Tachikawa

Takagi

Mizutani

et al. 2011

41st International Conference on Environmental Systems

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Spacecrafts to go to inner or outer planet need to increase the insulation performance and also to evaluate its thermal performance precisely in order to design spacecrafts effectively. Our goal is to develop a new insulation system for spacecrafts instead of the traditional Multi Layer Insulation (MLI). Due to its high heat resistance, light weight, and high resistance to space environments, the porous super insulation polyimide foams (PI-F) is expected to progressively advance the spacecraft thermal insulation technique. The PI-F is based on the polyimide resin. In order to design the new thermal insulation system with PI-F, it is essential to clarify the thermal performance with combined phenomena of conductive and radiative heat transfer in PI-F. Heat transfer of new insulation with polyimide foam is basically decreased by using low conductive material instead of decreasing the radiative heat transfer. New MLI with polyimide foams has been constructed and its insulation performance was evaluated. As a result, we confirmed its insulation performance will be better than that of traditional MLI.

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Section: Introductionmentioning

confidence: 99%

“…4 Graduate Student, Graduate school of System Design Engineering. 4 Graduate Student, Graduate school of System Design Engineering.…”

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Performance Evaluation of New Thermal Insulation System with Polyimide Foams

Tachikawa

Takagi

Mizutani

et al. 2011

41st International Conference on Environmental Systems

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Development and testing of a zero stitch MLI blanket using plastic pins for space use

et al. 2014

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New types of MLI blanket have been developed to achieve high thermal performance while maintaining production and assembly workability equivalent to the conventional type. Tag-pins, which are widely used in commercial applications to hook price tags to products, are used to fix the films in place and the pin material is changed to polyetheretherketone (PEEK) for use in space. Thermal performance is measured by using a boil-off calorimeter, in which a rectangular liquid nitrogen tank is used to evaluate the degradation at the bending corner and joint of the blanket. Zero-stitch-and multi-blanket-type MLIs show significantly improved thermal performance ( eff is smaller than 0.0050 at room temperature) despite having the same fastener interface as traditional blankets, while the venting design and number of tag-pins are confirmed as appropriate in a depressurization test.

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Verification of BepiColombo MLI

Schilke

Ranzenberger

2013

43rd International Conference on Environmental Systems

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Thermal Performance testing of the BepiColombo high-temperature MLI

Cited by 3 publications

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Performance Evaluation of New Thermal Insulation System with Polyimide Foams

Performance Evaluation of New Thermal Insulation System with Polyimide Foams

Development and testing of a zero stitch MLI blanket using plastic pins for space use

Verification of BepiColombo MLI

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