Aircraft Engineering and Aerospace Technology: Volume 91 Issue 1

Unsteady aerodynamic characteristics of a morphing wing

Jinwu Xiang, Kai Liu, Daochun Li, Chunxiao Cheng, Enlai Sha

The purpose of this paper is to investigate the unsteady aerodynamic characteristics in the deflection process of a morphing wing with flexible trailing edge, which is based on…

Design improvements and flap deflection evaluations with considering centrifugal load on active trailing edge flap

Umberto Visconti, WonJong Eun, JiSoo Sim, SangWoo Lee, SangJoon Shin

The purpose of this paper is to present the design, analysis and experiments of the active trailing-edge flap (Seoul National University Flap, SNUF) for vibration reduction in the…

Guidance law to control impact time constraining the seeker’s field of view?

Jian Hu, Naigang Cui, Yuliang Bai, Yunhai Geng

The purpose of this paper is to present a novel guidance law that is able to control the impact time while the seeker’s field of view (FOV) is constrained.

A numerical study on the effects of design parameters on the acoustics noise of a high efficiency propeller

Yunpeng Ma, Na Guo

A numerical study on the aerodynamic noise generation of a high efficiency propeller is carried out.

High AOA short landing robust control for an aircraft

Yang Tingting, Li Aijun, Muhammad Taimoor, Rooh ul Amin

The purpose of this paper is to propose a high angle of attack short landing model for switched polytopic systems as well as to derive an equation for fluidic thrust vector…

Novel development of dynamic behavior of carbon fiber reinforced polymer sandwich panels with stepwise graded adhesive layer

Majed Mokhtari, M. Shahravy, M. Zabihpoor

The purpose of this study is to focus on the developments of carbon fiber reinforced polymer (CFRP) panels with stepwise graded properties on adhesive layer. The various arranges…

Autonomous planetary rover navigation via active SLAM

Guoqing Li, Yunhai Geng, Wenzheng Zhang

This paper aims to introduce an efficient active-simultaneous localization and mapping (SLAM) approach for rover navigation, future planetary rover exploration mission requires…

Cold flow studies in a vortex thrust chamber

Rajesh T.N., T.J. Sarvoththama Jothi, Jayachandran T.

The purpose of this paper is to estimate the chamber pressure and flow behaviour in a vortex thrust chamber (VTC) during the cold flow with hydrogen and oxygen as propellants.

Prioritisation of factors contributing to human error for airworthiness management strategy with ANP

Ebru Yazgan, Ayşe Kucuk Yilmaz

Airline business management is set on airworthy strategy. Airline sustainability depends upon corporate-based airworthy strategy as airworthiness is the base to any airline…

Combustion chamber design and reaction modeling for aero turbo-shaft engine

Raja Marudhappan, Chandrasekhar Udayagiri, Koni Hemachandra Reddy

The purpose of this paper is to formulate a structured approach to design an annular diffusion flame combustion chamber for use in the development of a 1,400 kW range aero turbo…

Design of parallel adaptive extended Kalman filter for online estimation of noise covariance

Kai Xiong, Liangdong Liu

The successful use of the standard extended Kalman filter (EKF) is restricted by the requirement on the statistics information of the measurement noise. The covariance of the…

A new jig-shape optimization method for the high aspect ratio wing

Zhe Yuan, Shihui Huo, Jianting Ren

Computational efficiency is always the major concern in aircraft design. The purpose of this research is to investigate an efficient jig-shape optimization design method. A new…

Aerodynamic analysis of nonuniform trailing edge blowing

Dong Liang, Wenjie Wang, Peter J. Thomas

Numerical and experimental results for different oncoming base-flow conditions indicate that nonuniform trailing edge blowing (NTEB) can expand the performance range of…

Design of a double parabolic supersonic nozzle and performance evaluation by experimental and numerical methods

Mubarak A.K., Tide P.S.

The purpose of this paper is to design a double parabolic nozzle and to compare the performance with conventional nozzle designs.

Oscillation mode flight data analysis based on FFT

Jingcheng Fu, Jun Huang, Li-Bo Wang, Lei Song

The purpose of this paper is to propose an identification method of acquiring aircraft mode characteristics based on fast Fourier transform and half-power bandwidth method, aiming…

Combustion characteristics of a two-stroke spark ignition UAV engine fuelled with gasoline and kerosene (RP-3)

Rui Liu, Xiaoping Su, Xiaodong Miao, Guang Yang, Xuefei Dong, Yongsheng Liang, Taiqi Huang

The purpose of this paper is to compare the combustion characteristics, including the combustion pressure, heat release rate (HRR), coefficient of variation (COV) of indicated…

Quantum-entanglement pigeon-inspired optimization for unmanned aerial vehicle path planning

Siqi Li, Yimin Deng

The purpose of this paper is to propose a new algorithm for independent navigation of unmanned aerial vehicle path planning with fast and stable performance, which is based on…

A new energy-based model to predict spray droplet diameter in comparison with momentum-based models

Hadiseh Karimaei, Seyed Mostafa Hosseinalipour, Ramin Ghorbani

To estimate mean droplet diameter (MDD) of a spray, three different numerical models were used in this paper. One of them is investigation of the surface instability of the liquid…

Safety management systems: an opportunity and a challenge for military aviation organisations

Anna V. Chatzi

Most military aviation organisations today have not evolved their safety management approach towards harmonising with civil aviation. Safety culture is the base for any civil…

Aircraft runway excursion features: a multiple correspondence analysis

Natalia Distefano, Salvatore Leonardi

The risk of aircraft runway excursion, dependent on multiple factors, is related to operating conditions. The purpose of this paper is to identify the correspondence between…