Radiative and conductive heat transmission through superinsulations — experimental results for aluminium coated plastic foils
✍ Scribed by K Kutzner; F Schmidt; I Wietzke
- Publisher
- Elsevier Science
- Year
- 1973
- Tongue
- English
- Weight
- 734 KB
- Volume
- 13
- Category
- Article
- ISSN
- 0011-2275
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✦ Synopsis
The basic equations for the different heat transfer mechanisms in superinsulation packages and their inter-relationships are discussed. The distribution of the heat flow into the radiative and the conductive components leads to a calculated value for the lowest temperature at which a superinsulation can effectively be used. For six different aluminium coated foils the radiative and the conductive heat flow is measured as a function of the layer density and of the thickness of the aluminium coating. Additionally the outgassing of the foils and the electrical resistance of the aluminium layers dependent on their thickness is investigated.