Aircraft Engineering and Aerospace Technology: Volume 91 Issue 10

A covariance shaping filtering method for tightly-coupled MIMU/GNSS of UAV

Bin Liu, Jiangtao Xu, Bangsheng Fu, Yong Hao, Tianyu An

Regarding the important roles of accuracy and robustness of tightly-coupled micro inertial measurement unit (MIMU)/global navigation satellite system (GNSS) for unmanned aerial…

Observer-based reaction wheel fault reconstruction for spacecraft attitude control systems

Qingxian Jia, Huayi Li, Xueqin Chen, Yingchun Zhang

The purpose of this paper is to achieve fault reconstruction for reaction wheels in spacecraft attitude control systems (ACSs) subject to space disturbance torques.

Knock combustion investigation on a two-stroke spark ignition UAV engine burning RP-3 kerosene fuel

Rui Liu, Jing Sheng, Jie Ma, Guang Yang, Xuefei Dong, Yongsheng Liang

The purpose of this paper is to investigate the knock combustion characteristics, including the combustion pressure, heat release rate (HRR) and knock intensity of aviation…

Aerodynamic benefits of boundary layer ingestion for distributed propulsion configuration

Jing Zhang, Wenwen Kang, Lingyu Yang

Boundary layer ingestion (BLI) is one of the probable noteworthy features of distributed propulsion configuration (DPC). Because of BLI, strong coupling effects are generated…

Impact of mission requirements on the design of low observable UCAV configurations

Eduardo Sepulveda Palacios, Howard Smith

The purpose of this paper is to characterise the effects of mission and performance parameters on the design space of low observable subsonic unmanned combat aerial vehicles…

Simultaneous tailplane of small UAV and autopilot system design

Sezer Çoban

The purpose of this paper is to rise the autonomous flight performance of the small unmanned aerial vehicle (UAV) using simultaneous tailplane of UAV and autopilot system design.

Derivation of knockdown factors for grid-stiffened cylinders considering various shell thickness ratios

Chang-Hoon Sim, Han-Il Kim, Jae-Sang Park, Keejoo Lee

The purpose of this paper is to derive knockdown factor functions in terms of a shell thickness ratio (i.e. the ratio of radius to thickness) for conventional orthogrid and…

Influence of milling toolpaths in machining of the turbine blade

Seyedamin Jarolmasjed, Behnam Davoodi, Babak Pourebrahim Alamdari

The purpose of this paper is to machine the pressure surface of the turbine blade made of A286 iron-based superalloy by using four directions of raster strategy, including…

Supersonic jet flow control using semi-circular corrugated tabs

Sathish Kumar K., Senthilkumar Chidambaram

The purpose of this study is to increase the jet mixing effectiveness of Mach 1.6 axisymmetric jet using semi-circular corrugated triangular tabs (Tabs A, B and C), in which the…