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Mr Simeon Cheuk

TOPIC: Effect of carbon black powder protective layer on reusable carbon fibre epoxy rocket combustion chamber

Authors: Simeon Cheuk, Bijan Shirinzadeh, Pan Zhao from Monash University

Presented by: Mr Simeon Cheuk, PHD candidate, Monash University

Abstract

This work investigated the influence of fiber orientation and carbon black powder protective layer (CBPPL) on thermal resistance of carbon-fiber/epoxy composites combustion chamber for a miniature rocket.

Carbon fiber reinforced polymer (CFRP) is an ideal material for aerospace application, due to its high strength-to-weight ratio and stiffness-to-weight ratio. However, the thermal properties of CFRP may preclude it as an optimal choice of material for rocket combustion chamber.

To explore the possibility of reusable CFRP combustion chamber, a thin layer of carbon black powder was applied on the inner wall as a protective layer. The aim is to investigate the effect of direct and indirect flame on the high-temperature corrosion of the inner wall of rocket combustion chamber. With the aid of Robotic Fiber Placement (RFP), compaction force and lay-up temperature is precisely controlled in fabricating three composite ring samples with different fiber orientation ([0]51, [90]51 and [0/90/0]17). Subsequently, the composite ring samples are inserted as a part of a miniature rocket combustion chamber and tested under combustion operation and thus subject to intense heat (~477oC) for two minutes. The experimental results showed that the samples with CBPPL had significant resistance against high-temperature corrosion.

Keywords: Carbon black powder protective layer; High-temperature corrosion; Reusable rocket combustion chamber

Presenters resume

Simeon Cheuk holds qualification in Bachelor of Aerospace Engineering (Hons.) from Monash University. He is current researching on Automated Fibre Placement on Complex Contoured Surfaces. He is also interested in research on miniature hybrid rockets including propulsion systems, fibre-reinforced composite oxidizer tanks and thrust vectoring control systems.