Author

Daniel-Eugeniu Crunteanu

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Open access Sep 2026

Effects of Curing Schedules on Carbon-Fiber-Reinforced Laminates with a Bio-Based Epoxy Matrix

Carbon-fiber-reinforced polymer (CFRP) composites fabricated with bio-based epoxy resins represent a promising approach for sustainable lightweight structures produced by out-of-autoclave (OoA) technologies. The curing schedule influences the state of the epoxy matrix and, consequently, can affect the fiber–matrix inte...

Larisa-Anda Stroe, Daniel-Eugeniu Crunțeanu, Mihail Botan et al. · Polymers · 0 citations

Open access Oct 2026

Computational Nozzle Design for Pulsed Detonation Thrusters for Vacuum Operations

This study presents the numerical design and optimization of a convergent–divergent nozzle integrated with a pulsed detonation combustor (PDC) operating under reduced outlet pressure conditions. The work builds upon an experimentally validated TRL 4 PDC with demonstrated vacuum operation, which provides realistic inlet...

A. V. Cojocea, Mihnea Gall, Daniel-Eugeniu Crunțeanu et al. · Applied Sciences · 0 citations

Open access Sep 2026

Design and Development of a New Compression-Ignition Engine Concept for Aviation and UAV Applications

The design of piston engines for aviation applications requires the simultaneous consideration of power density, compactness, structural reliability, fuel efficiency, operational robustness, and system complexity. This study presents the design and development of a fully mechanical modular compression-ignition engine c...

Marius Costel Oprea, Daniel-Eugeniu Crunțeanu · INCAS Bulletin · 0 citations