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Design of Ablative Insulator for Solid Rocket Booster
KTH, School of Industrial Engineering and Management (ITM), Energy Technology.
2015 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

The objective of this master thesis was to investigate an ablative liner for the T-Minus DART booster that will accelerate a dart to Mach 5.2 within five seconds. An oxyacetylene torch test was used to sort out the obviously bad materials. Glass fiber/epoxy, with and without alumina as fire retardant, and carbon fiber/epoxy were selected for further investigation. A sub-scale motor was built to expose the materials for conditions similar to the booster conditions in regard to temperature, chemistry, flow velocity and pressure. The target pressure could not be reached in the sub-scale motor but a polynomial function was fitted to the data in order to extrapolate the data and estimate the ablation rate at 7 MPa. The final design is always based on measurements on full scale motors. This could not be done within this report. Recommendation for future work is to use an insulator of 1.8 mm of carbon fiber/epoxy or 1.3 mm of glass fiber/epoxy/alumina for the sub-scale firings to come.

Place, publisher, year, edition, pages
2015. , 38 p.
Keyword [en]
Solid rocket propulsion ablation thermal liner oxyacetylene torch
National Category
Aerospace Engineering
Identifiers
URN: urn:nbn:se:kth:diva-179031OAI: oai:DiVA.org:kth-179031DiVA: diva2:878790
Educational program
Master of Science in Engineering - Vehicle Engineering
Supervisors
Examiners
Available from: 2016-01-26 Created: 2015-12-09 Last updated: 2016-01-26Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • ieee
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Output format
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