发动机反推力系统安全性设计

张艳慧; 秦浩; 王代军

doi:10.13224/j.cnki.jasp.2015.07.033

发动机反推力系统安全性设计

doi: 10.13224/j.cnki.jasp.2015.07.033

中国航空工业集团公司第一飞机设计研究院动力燃油设计研究所, 西安 710089

详细信息

作者简介:
张艳慧(1982-),女,河南新乡人,高级工程师,硕士,主要从事飞机动力装置系统设计.

中图分类号: V228.74
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- 被引次数: 0
出版历程
- 收稿日期: 2014-02-28
- 刊出日期: 2015-07-28

Engine reverser thrust system safety design

Aircraft Propulsion and Fuel System Design and Research Department, the First Aircraft Institute, Aviation Industry Corporation of China, Xi'an 710089, China

摘要

摘要: 通过分析发动机反推力系统适航规章25.933、相关的适航咨询通告和背景资料,以及民用飞机反推力系统空难事故,获得了反推力系统设计的总体安全性要求,为国内反推力系统的安全性设计提供了重要的指导.运用系统安全性评估的方法对某型号反推力系统的初步方案进行了分析.结果表明:系统架构设计中存在单一故障导致反推力装置意外打开,不满足反推力系统总体安全性要求.为了消除该单一故障,提出了将同步锁的控制独立于反推控制器(EAU)的更改方案.这不仅明显提高了某型号反推力系统的安全性,也对以后其他型号反推力系统的设计具有重要的借鉴意义.
- 反推力系统 /
- 安全性设计 /
- 系统安全性评估 /
- 单一故障 /
- 同步锁
Abstract: The overall safety requirements of reverser thrust system were attained by studying airworthiness regulation 25.933, relative airworthiness advisory circulars and background information of reverser thrust system, combining reverser thrust system accident of civil aircraft. These offer useful instructions for improving the safety of reverser thrust systems. A aircraft's reverser thrust system preliminary scheme was assessed by using of system safety assessment method. Results indicate that system architecture don't meet safety requirements,there is a single failure in the system architecture which can lead to thrust reverser device accidentally opened. To eliminate the single failure, the scheme of sync lock control would be isolated from the engine accessory unit (EAU) was proposed,which not only evidently improve the safety of the reverser thrust system of a type aircraft, but also provide important instructions for designing the reverser thrust system on other type aircrafts.
- reverser thrust system /
- safety design /
- system safety assessment /
- single failure /
- sync lock

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参考文献(18)

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