Browsing Workspace (UPSpace) by UP Author "Heyns, P.S. (Philippus Stephanus)"

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Constant speed tip deflection determination using the instantaneous phase of blade tip timing data

Diamond, D.H. (David); Heyns, P.S. (Philippus Stephanus); Oberholster, Abraham Johannes (Abrie) (Elsevier, 2021-03)

Blade Tip Timing (BTT) is a non-intrusive measurement technique that can be used to estimate the vibration characteristics of rotor blades during turbomachine operation. BTT uses proximity probes mounted into the turbomachine ...
Effects of multiple post cure cycles on properties of composite carbon fibre and epoxy materials

Sambayi, Patrick Mukenyi Kataku; Heyns, P.S. (Philippus Stephanus) (Sage, 2023-06)

Post-curing cycles have an effective impact on the thermal and mechanical properties of thermoset composite materials. Typically, post-cure cycles use heat to expose cured resin parts to high temperatures in an attempt to ...
A hybrid framework for remaining useful life estimation of turbomachine rotor blades

Ellis, Brian; Heyns, P.S. (Philippus Stephanus); Schmidt, Stephan (Elsevier, 2022-05)

Hybrid methods for prognosis of mechanical components have the potential of improving remaining useful life (RUL) estimations. Hybrid methods combine physics-based and data-driven methods to diagnose faults and predict ...

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