Some Issues of Modeling the Take-Off and Landing Coaxial Helicopter on the Deck of the Ship

Abstract

The article discusses the features of take-off and landing of a coaxial helicopter on the deck of a ship. Taking into account such features is necessary to refine the mathematical model of the flight dynamics of a coaxial helicopter, which is used as part of the software and mathematical support of the flight simulator. The requirements for shipboard helicopters in terms of flight data necessary to ensure flight safety in the area of the ship's runway are given. The approaches to modeling ship flow are analyzed: testing of a scale model of a ship in a wind tunnel, numerical modeling of ship airflow. The effect of the ship's pitching on the structure of the airflow in the runway area is shown. The method of inclusion of the ship pitching in the study of the runway airflow on a ship model in a wind tunnel is considered. A brief overview of the methods of investigation in the wind tunnel of the mutual influence between the ship and the helicopter, when performing take-off and landing operations in the area of the ship's runway. The calculation of the non-stationary velocity field of the airflow in the area of the ship's runway is performed without taking into account pitching by numerical simulation of a full-size model of a ship of arbitrary shape. The purpose of the work is to evaluate the characteristics of the disturbed airflow in the area of the ship's runway and to form a method for calculating the velocity fields of the disturbed flow in the area of the ship's runway

Please cite this article in English as:

Baklan S.A., Shomov A.I. Some issues of modeling the take-off and landing coaxial helicopter on the deck of the ship. Herald of the Bauman Moscow State Technical University, Series Mechanical Engineering, 2026, no. 1 (156), pp. 4--21 (in Russ.). EDN: FMYNMM

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