Abstract
The takeoff and the landing of an aircraft are the most dangerous phases of flight, so the study of takeoff performance and landing performance is of great importance for aircraft design and safety. In the paper, a high-precision numerical integration algorithm for evaluating takeoff and landing performance is developed, which establishes and solves the equations of dynamics during takeoff and landing process. The proposed method is capable of calculating takeoff and landing performance under different environments. To verify the current approach, all-engine operating takeoff distance, one engine failure takeoff distance, takeoff stop distance and landing distance of a certain type of plane with four engines are analyzed. It shows that the developed calculation method is reliable and effective. Based on this algorithm, a detailed analysis of the main factors affecting the takeoff and landing performance is given. The influences of altitude, temperature, takeoff and landing weight and wind speed are analyzed. Through theoretical derivation and examples verification, the proposed method will be reference for the study of takeoff and landing performance.
Highlights
Takeoff and landing time is a very short proportion of the total flight time, but it is the accident-prone phase of the mission
This paper analyzes the process of takeoff and landing in details and develops an algorithm based on numerical integration to calculate and contrastive analyze takeoff and landing performance under different environments
Aimed at solving the equations, an algorithm based on high-precision numerical integration is developed, which can evaluate takeoff and landing performance under different environments
Summary
Takeoff and landing time is a very short proportion of the total flight time, but it is the accident-prone phase of the mission. Research about the flight characteristic of takeoff and landing is of great importance to the safety of airplane and can provide some. This is an Open Access article published by World Scientific Publishing Company. At present, these methods: analytical method, numerical integration and energy method can be used to calculate takeoff and landing performance. (i) Accelerate the airplane from a standing start with all engines operating to VEF ; (ii) Allow the airplane to accelerate from VEF to the highest speed reached during the rejected takeoff, assuming the critical engine fails at VEF and the pilot takes the first action to reject the takeoff at the V1 for takeoff from a dry runway;. (iii) A distance equivalent to 2 seconds at the V1 for takeoff from a dry runway
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