Abstract

Icing is an important disaster-causing factor which threatens the flight safety of civil aircraft and a major safety issue of concern for the airworthiness. The design of icing protection system based on ice-tolerant concept can minimize the impact of icing on aerodynamic characteristics and fully utilize the potential of flight performance, which is the frontier direction of current icing protection research for civil aircraft. This paper aims at the requirements of civil aircraft flight safety design and airworthiness certification. The design method of civil aircraft icing protection system based on the concept of ice-tolerant capacity is analyzed from two aspects. One is the capacity of ice-tolerant for aircraft frame, the other one is the design of ice-tolerant with active control. The optimum design strategy of wing in aerodynamic performance considering icing loss is refined and the design idea of ice-tolerant protection control system based on flight control law reconstruction is formed. The change from passive flight safety of icing to active safety design of icing can effectively improve the survivability and safety of civil aircraft under icing weather conditions.

Highlights

  • The design of icing protection system based on ice⁃tolerant concept can minimize the impact of icing on aerodynamic characteristics and fully utilize the potential of flight performance, which is the frontier direction of current icing protection research for civil aircraft

  • This paper aims at the require⁃ ments of civil aircraft flight safety design and airworthiness certification

  • The design method of civil aircraft icing protection system based on the concept of ice⁃tolerant capacity is analyzed from two aspects

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Summary

Introduction

Beijing: Beijing University of Aeronautics and Astronautics Press, 2016 ( in Chinese) [2] 应思斌. Study on the theory and methods of aircraft icing tolerant flight control system design[ D] . Effect of ice accretion on aircraft flight dynamics[ C] ∥38th Aerospace Sciences Meeting and Exhibit, 2000 [4] 张强. Determination method of critical ice shapes for large civil aircraft[ J] .

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