Analysis of Free Piston Composite Cycle Engine Performance

Parametric investigation\of mini-tab for load alleviation

This thesis investigates a novel load alleviation technique known as mini-tabs, small devices placed on the upper surface of wings to reduce lift. Reynolds-Averaged Navier-Stokes (RANS) simulations were conducted to analyze the impact of geometrical properties on mini-tab performance in reducing the load on a wing.<br/><br/>The initial...

WorldBus Final Report: Designing a sustainable ultra-long range aircraft

Feasibility of an Engine Architecture using Bypass Cooled Cooling Air: for Current and Future High Bypass Turbofans

This study analyses the feasibility of an engine architecture using bypass cooled cooling air as a method for reducing specific fuel consumption of current and future high bypass turbofan engines. As cooled cooling air reduces required turbine cooling massflow, a major source of loss in modern aeroengines, it is believed that the concept can...

Offshore Wind Farm Optimisation: A Comparison of Performance between Regular and Irregular Wind Turbine Layouts

Wind farm layouts in industry show a range of patterns with an overall trend from regular to irregular patterns over time. Wind farm layout optimisation studies in literature generally result in irregular wind turbine patterns. Review of existing literature shows that the performance of irregular and regular wind farm layouts has not been...

Active cooling in additively manufactured liquid rocket engines: Comparing regenerative, film and transpiration cooling

The heat fluxes in (liquid) rocket engines can go up to high values and they need active cooling to prevent the chamber wall from failing. Transpiration cooling is identified as a way to achieve lower wall temperatures than commonly used regenerative cooling and regenerative cooling with additional film cooling (referred to as film cooling from...

Quantifying microphone array directivity: The quantification and improvement of the acoustic camera of the TU Delft

The sound of fly-over aircraft is measured with the use of an acoustic camera to gain more information on aircraft noise. This camera can be optimised to gain data of a higher quality. Within the ANCE section this optimisation was required mainly to diminish the influence of the ground effect in the data and to increase the resolution of the...

A Many-objective Tactical Stand Allocation: Stakeholder Trade-offs and Performance Planning: A London Heathrow Airport Case Study

Airports are highly complex systems that can generate economic growth<br/>on their own. Accordingly, airports should take proactive actions to<br/>create a status quo between the stakeholders(the airport itself,<br/>airlines, passengers) in the tactical planning of the aircraft stand<br/>allocation. Namely, the harmonization between the...