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Meistaravörn í tækni- og verkfræðideild: Toma Emilov Tomov

Wake Turbulence Separation for Keflavik International Airport

  • 3.6.2019, 15:00 - 16:00

On Monday June 3rd at 15:00, Toma Emilov Tomov will defend this thesis titled "Wake Turbulence Separation for Keflavik International Airport" for a MSc degree in Mechanical Engineering. The presentation will be held in room M104 and all are welcome to attend.

Student: Toma Emilov Tomov
Supervisors: Þorgeir Pálsson and Ármann Gylfason
Examiner: Dr. Gylfi Árnason

Abstract

Keflavík International Airport has in recent years experienced constrained runway capacity during peak hours because of increased and intensified aircraft traffic.

Two of the major factors that affect airport capacity are: the separation requirements due to wake turbulence between aircraft in approach for landing and Arrival Runway Occupancy Time. The latter is independent of the Wake Turbulence Categorization of the aircraft, but restricts the time interval between two consecutive landings and thus the separation between landing aircraft. Currently, the Arrival Runway Occupancy Time of the airfield is a limiting factor for throughput capacity.

RECAT-EU is a newer and modified wake separation scheme developed by EUROCONTROL which for the most part decreases the separation requirements, leading to more landings and departures and increased throughput capacity. This thesis presents a statistical evaluation of the effects from adopting the RECAT-EU scheme for Keflavík Airport in view of increased capacity, and estimate of the runway capacity constraints.

The analysis of the RECAT-EU requirements for the airport, show that the re-categorization will have no effect on the separation requirement for 83,5% of the aircraft pairs from the traffic mix during peak hours. On the other hand, the average landing time interval could be reduced by 43 second for 14,9% of the aircraft after re-categorization. However, this reduction places the distribution of landing time intervals well within the distribution of Arrival Runway Occupancy Times for the airfield. This establishes the Arrival Runway Occupancy Time as the limiting factor for potential increase of throughput capacity under the RECAT-EU scheme.

Keywords: Wake turbulence separation; Arrival Runway Occupancy Time; Landing Time Interval; re-categorization; RECAT-EU; airfield capacity



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