Spain’s
aerospace, maritime and defense tech industry,
in focus.

Launch Vehicle Safety Issues

20.2% of this theme group

Researchers highlight failures, reliability gaps, and disposal challenges in space launch vehicle operations.

Launch vehicle (89) · Aeronautics (45) · Aerospace engineering (44) · Space launch (37)

Analysis of Space Launch Vehicle Failures and Post-Mission Disposal Statistics

Reliability products for Space Launch Vehicle safety assessments

Launch System Affordability Concerns

19.5% of this theme group

Papers discuss cost, system engineering, and strategic constraints affecting modern launch capabilities.

Space launch (66) · Aeronautics (46) · Space (39) · CubeSat (13)

NASA's Space Launch System: Systems Engineering Approach for Affordability and Mission Success

Space Launch Capabilities and National Strategy Considerations

Aerodynamic and Acoustic Launch Risks

15.4% of this theme group

Studies examine lift‑off flow fields, aeroacoustic loads, and mitigation techniques for launch vehicles.

Aerospace engineering (42) · Aeronautics (34) · Hypersonic speed (7) · Launch vehicle (27)

Flow Field and Acoustic Investigations of the Launch Vehicle Environment during Lift-off

Aeroacoustic Improvements during Lift-off of Launch Vehicles

Liquid‑Propellant Engine Instabilities

13.1% of this theme group

Works focus on combustion instability mechanisms and control methods for liquid rocket engines.

Liquid-propellant rocket (52) · Propellant (33) · Rocket engine (39) · Rocket (38)

Perspective of Technology for Liquid Rocket Engines

Combustion Instabilities and its Control Techniques for Liquid Propellant Rocket Engine

Policy and Governance Challenges

11.9% of this theme group

Analyses address legal, political, and competitive issues surrounding commercial space activities.

Space (61) · Government (35) · Space industry (13) · Accountability (10)

Title IV Space Resource Exploration and Utilization of the US Commercial Space Launch Competitiveness Act: A Legal and Political Assessment

Commercial Space Transportation: Industry Trends, Government Challenges, and International Competitiveness Issues

Hybrid Rocket Propulsion Limits

11.0% of this theme group

Research reviews performance gaps and control difficulties in hybrid rocket engine designs.

Rocket (51) · Rocket engine (37) · Propulsion (16) · Spacecraft propulsion (9)

Theoretical Investigation on Feedback Control of Hybrid Rocket Engines

Review on Hybrid Rocket Engine: Past, Present and Future Scenario

Combustion Chamber and Nozzle Modeling Gaps

9.0% of this theme group

Papers identify shortcomings in simulation and experimental validation of rocket combustion chambers and nozzles.

Combustion (17) · Nozzle (12) · Combustion chamber (12) · Rocket (23)

Numerical Simulations of a Single Injector Gaseous Methane Rocket Combustion Chamber

Experimental Validation of Nozzle Flow Simulations for Rocket Application Rotating Detonation Engines

Launch Environment Hazard Mitigation

21.5% of this theme group

Authors caution about lightning, cost thresholds, and other environmental risks to spacecraft launches.

Space launch (33) · Space (19) · Satellite (10) · Launched (13)

Investigation on improvements in lightning retest criteria for spacecraft

Launch Cost Thresholds for Economic Activity

Combustion Instability Risks

21.5% of this theme group

Studies warn of high‑frequency instabilities in both hybrid and liquid‑propellant rocket engines.

Rocket (42) · Rocket engine (38) · Combustion (22) · Liquid-propellant rocket (24)

Experimental Characterization of Combustion Instabilities in High-Mass-Flux Hybrid Rocket Engines

Experimental Validation of Off-design Combustion for Liquid-propellant Rocket Engine High-frequency Instability

Trajectory Optimization Uncertainties

18.4% of this theme group

Research highlights sensitivity of reusable launch vehicle trajectories to boundary‑layer and pressure variations.

Launch vehicle (44) · Aerospace engineering (32) · Trajectory (8) · Aeronautics (13)

Influence of Boundary Layer Transition on the Trajectory Optimisation of a Reusable Launch Vehicle

Unsteady Surface Pressure Characterization on Launch Vehicle in Liftoff Configuration

Heat Transfer and Cooling Limits

12.6% of this theme group

Papers emphasize challenges in managing heat flux and radiative heating within rocket thrust chambers.

Heat transfer (11) · Coolant (8) · Combustion chamber (14) · Heat flux (8)

Overview and analysis of the experimentally measured throat heat transfer in liquid rocket engine thrust chambers

Radiative Heating in Combustion Chamber of Liquid Propellant Rocket Engines

Detonation Engine Performance Risks

10.6% of this theme group

Analyses point to modeling uncertainties and stability concerns for rotating detonation rocket engines.

Detonation (20) · Nozzle (15) · Rocket (17) · Rocket engine (16)

Rotating Detonation Engine Performance Model for Rocket Applications

Low-Order Parametric Analysis of a Rotating Detonation Engine in Rocket Mode

Thrust Vector and Impulse Control Issues

8.9% of this theme group

Works discuss difficulties in achieving precise thrust vectoring and specific impulse stability.

Thrust (21) · Nozzle (12) · Specific impulse (8) · Rocket (16)

Demonstration of Thrust Vector Control by Hydrogen Peroxide Injection in Hybrid Rockets

Validation of Transverse Instability Damping Computations for Rocket Engines

Combined‑Cycle Propulsion Complexities

6.4% of this theme group

Studies caution about performance prediction and suction modeling for rocket‑ramjet and ejector systems.

Ramjet (6) · Scramjet (5) · Propulsion (8) · Combustor (5)

Performance of a Rocket-Ramjet Combined-Cycle Engine Model in Ejector Mode Operation

Analytical Method for Prediction of Suction Performance of Ejector-Jet

Advanced Hybrid Rocket Development

19.9% of this theme group

Research explores novel hybrid engine designs and reliability‑driven development frameworks.

Rocket (531) · Rocket engine (456) · Aerospace engineering (301) · Thrust (167)

Characterization of Advanced Hybrid Rocket Engines

Demonstration of a Reliability-Driven Framework for Rocket Engine Development, Test, and Verification

Launch Vehicle Control Innovations

19.3% of this theme group

Papers present new flight control architectures and dynamic modeling for flexible launch systems.

Launch vehicle (503) · Trajectory (116) · Aerospace engineering (275) · Control theory (88)

Analysis and Design of Launch Vehicle Flight Control Systems

Dynamic Modeling and Flight Control Simulation of a Large Flexible Launch Vehicle

Mission Cargo Integration and Mission Flexibility

17.0% of this theme group

Works focus on improving spacecraft and mission cargo handling for diverse launch destinations.

Mission cargo (204) · Space launch (190) · Satellite (113) · Spacecraft (134)

Space Launch System Spacecraft and Mission cargo Elements: Making Progress Toward First Launch

NASA's Space Launch System: One Vehicle, Many Destinations

Liquid‑Propellant Engine Design Advances

14.1% of this theme group

Studies propose improved designs and predictive models for high‑performance liquid rocket engines.

Liquid-propellant rocket (383) · Propellant (264) · Rocket engine (289) · Rocket (274)

Design of liquid-propellant rocket engines

Mathematical modeling and numerical simulations for performance prediction in case of a liquid propelled rocket engine

Regenerative Cooling and Heat Transfer Techniques

11.4% of this theme group

Research introduces novel cooling methodologies and detailed modeling of rocket engine thermal management.

Combustion chamber (157) · Heat transfer (86) · Rocket engine (243) · Combustion (130)

A novel heat transfer modeling methodology for regenerative cooling in liquid propellant rocket engines

Development of a mathematical model for the cooling channel of a liquid propellant rocket engine’s chamber with respect for variations in co

High‑Efficiency Propulsion Concepts

10.1% of this theme group

Papers investigate turbojet, pulse detonation, and other high‑specific‑impulse propulsion technologies.

Propulsion (72) · Propellant (88) · Specific impulse (42) · Very-long-baseline interferometry (11)

Mathematical modeling and numerical simulations for performance prediction in case of the Turbojet engine

Thrust Performance and Heat Load Modelling of Pulse Detonation Engines

Optimized Rocket Nozzle Configurations

8.2% of this theme group

Works develop CFD‑based designs for diverse nozzle geometries to boost engine performance.

Nozzle (296) · Rocket engine nozzle (94) · Rocket (146) · Rocket engine (133)

Computational Fluid Dynamics Model of Various Types of Rocket Engine Nozzles

Numerical investigation on performance of convergent–divergent nozzle with multi‐inlet combustion chamber of a rocket engine

Madrid

41.0% across the displayed hubs

3 companies hiring · $222.5M disclosed funding

Barcelona

30.9% across the displayed hubs

4 companies hiring · $19.0M disclosed funding

Valencia

10.1% across the displayed hubs

2 companies hiring · $13.8M disclosed funding

Malaga

4.3% across the displayed hubs

0 companies hiring · $5.3M disclosed funding

Pontevedra

3.6% across the displayed hubs

0 companies hiring · $0 disclosed funding

Alicante

3.6% across the displayed hubs

1 companies hiring · $2.5M disclosed funding

Bilbao

3.6% across the displayed hubs

0 companies hiring · $8.3M disclosed funding

Santander

2.9% across the displayed hubs

0 companies hiring · $3.6M disclosed funding