Fluidic Thrust Vectoring Control in Propulsion Systems
Summary
Fluidic thrust vectoring control (FTVC) represents a paradigm shift in the management of exhaust flow direction within jet and rocket nozzles. By injecting secondary fluid streams or manipulating pressure distributions, FTVC avoids the mechanical complexity and mass penalties associated with movable nozzle components. Techniques such as shock‐vectoring, Coanda‐effect nozzles, synthetic jet actuators and bypass dual‐throat configurations enable rapid redirection of exhaust flow through controlled flow separation and attachment. These methods offer enhanced agility, reduced mechanical wear and lower radar signatures, making them attractive for high‐performance aircraft, hypersonic vehicles and guided missiles. Recent advances in computational fluid dynamics and additive manufacturing have accelerated the optimisation of FTVC geometries, while sensor‐based feedback schemes now facilitate closed‐loop control of vector angles in real time. Owing to its inherent simplicity and reliability, fluidic vectoring is poised to play a central role in next‐generation propulsion systems, from short‐take‐off VTOL aircraft to single‐stage‐to‐orbit engines.
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Fluidic Thrust Vectoring Control in Propulsion Systems publication trend
The graph below shows the total number of articles in fluidic thrust vectoring control in propulsion systems across all publications each year (not limited to Nature Index journals).
Technical terms
Fluidic thrust vectoring control: The use of secondary fluid injection or pressure manipulation to steer exhaust flow without moving parts.
Coanda effect: The tendency of a jet to adhere to a curved surface, used to induce asymmetric flow attachment for vectoring.
Bypass dual‐throat nozzle: A nozzle design featuring two exit passages—primary and bypass—to generate directional thrust via differential flow.
Synthetic jet actuator: A zero‐net‐mass‐flux device producing pulsed jets to manipulate boundary layers or induce flow separation.
Nozzle pressure ratio (NPR): The ratio of chamber pressure to ambient pressure, governing jet expansion and flow regime.
References
- Dual Synthetic Jets Actuator and Its Applications—Part II: Novel Fluidic Thrust-Vectoring Method Based on Dual Synthetic Jets Actuator. Actuators (2022).
- Techniques of Fluidic Thrust Vectoring in Jet Engine Nozzles: A Review. Energies (2023).
- Thrust Vectoring of a Fixed Axisymmetric Supersonic Nozzle Using the Shock-Vector Control Method. Fluids (2021).
- A new aircraft architecture based on the ACHEON Coanda effect nozzle: flight model and energy evaluation. European Transport Research Review (2016).
- Numerical Investigation on the Thrust Vectoring Performance of Bypass Dual Throat Nozzle. Energies (2023).
- An Optimized Pressure-Based Method for Thrust Vectoring Angle Estimation. Aerospace (2023).
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