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Aircraft arrestment overload computing method

A calculation method and aircraft technology, applied in the field of fixed-wing aircraft, can solve problems such as poor applicability, and achieve the effect of strong applicability and breaking through the bottleneck of technical constraints

Active Publication Date: 2014-08-13
SHENYANG AIRCRAFT DESIGN INST AVIATION IND CORP OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method is not suitable for design objects that implement different standard systems (for example: differences between the implementation of the US system and the former Soviet system), or newly developed objects

Method used

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  • Aircraft arrestment overload computing method
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Embodiment Construction

[0024] The present invention will be described in further detail below through specific embodiments and in conjunction with the accompanying drawings.

[0025] For a certain type of fixed-wing aircraft, when the meshing speed is 66.67m / s (design, measured value), its arresting overload is:

[0026] N x . cg = 1 2 · M · V E 2 + ∫ 0 L T ( ...

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Abstract

The invention belongs to the technical field of fixed-wing aircrafts and particularly relates to an aircraft arrestment overload computing method. The aircraft arrestment overload computing method is characterized in that by virtue of obstructing the operating principle of a system, a computing method is formulated; arrestment overload is taken as a variable, and multiple meshing speed boundary design points are utilized for controlling the arrestment overload of an aircraft, so that the arrestment overload of the aircraft is reasonably restricted; on the premise of ensuring the static strength safety and movable strength safety, the problem that longitudinal structural components are overweight is solved.

Description

technical field [0001] The invention belongs to the technical field of fixed-wing aircraft, and in particular relates to a calculation method for arresting overload of a fixed-wing aircraft. Background technique [0002] For a fixed-wing aircraft that adopts an arresting system for short-distance braking recovery, the arresting hook and longitudinal load-bearing members of the fuselage are the most important aspects of the structural strength design of the aircraft body. The arresting overload of a fixed-wing aircraft is a key design parameter for the components of the aircraft that bear the longitudinal concentrated force, and at the same time, it is also an important indicator of the pilot's ability to withstand overload. Therefore, the overload control of the aircraft during the arrest process is crucial to the strength of the aircraft and the physiological health of the pilots. [0003] Past Aircraft Arresting OverloadN x.cg Nothing more than the following two ways are...

Claims

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Application Information

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IPC IPC(8): G06F19/00
Inventor 曹奇凯姚念奎王永庆孙聪
Owner SHENYANG AIRCRAFT DESIGN INST AVIATION IND CORP OF CHINA