Aircraft Engineering and Aerospace Technology: Volume 95 Issue 2

Experimental study of the boosters impact on the rocket aerodynamic characteristics

Andrzej Krzysiak, Dawid Cieśliński, Robert Placek, Pawel Kekus

The purpose of this study is to determine the impact of two parallel boosters fixed to the ILR 33 AMBER 2 K core rocket stage on its aerodynamic characteristics in the subsonic…

Numerical study on strut insertion based thrust vectoring control system

Harish Soundararajan, Sridhar B.T.N.

This study aims to numerically study the three-dimensional (3D) flow field characteristics in a conical convergent divergent (CD) nozzle with an internal strut system to describe…

Numerical study of freestream turbulence effects on the nose cones in supersonic flow

Velmani M., Suresh V.

This paper aims to numerically investigate the influence of shock wave and freestream turbulence interaction on the parabolic and spherically blunted nose cones at supersonic…

Surface integrity analysis of machined surface of Ni-Ti shape memory alloy during wire spark erosion machining

Thakur Singh, Jatinder Kumar, Joy Prakash Misra

The purpose of this paper is to analyze the surface integrity, including recast layer thickness, surface crack density, X-ray diffractions study and microhardness for…

Numerical calculation of inchworm actuator reliability: effect of space temperature and material parameters

Hangjia Dong, Tuanjie Li, Zuowei Wang, Yuming Ning

The inchworm actuator is widely applied in space industry. One of the major issues in space instrumentation is the reliability, especially under space thermal load. The purpose of…

Variable pitch control of a quadrotor using adaptive sliding mode controller

Maryam Mosalsal, Mahdi Khodabandeh

This paper aims to describe the characteristics and modeling of the variable pitch quadrotor. In a variable pitch quadrotor, unlike ordinary quadrotors that the force is generated…

A flexible and efficient tooling design technology for aircraft fuselage panel assembly

Md. Helal Miah, Jianhua Zhang, Ravinder Tonk

Regarding the assembly of the fuselage panel, this paper aims to illustrate a design of pre-assembly tooling of the fuselage panel for the automatic drilling riveting machine…

Impact of OEI requirement on parallel hybrid electric turboprop regional aircraft optimization

Dominik Quillet, Vincent Boulanger, David Rancourt, Richard Freer, Pierre Bertrand

Parallel hybrid electric (HE) propulsion retrofit is a promising alternative to reduce fuel burn of aircraft operating on short regional flights. However, if the batteries are…

Fuzzy control of a landing gear system with oleo-pneumatic shock absorber to reduce aircraft vibrations by landing impacts

Ahmet Enes Arık, Boğaç Bilgiç

The purpose of this paper is to control a landing gear system with an oleo-pneumatic shock absorber with the fuzzy controller.

Fabrication and microstructural characterization of Al-SiC based functionally graded disk

Royal Madan, Shubhankar Bhowmick

The purpose of this study is to investigate the performance of disks that can be increased by functionally grading the disk in the radial direction; there are several but distinct…

Assessment of aviation operators’ efficacy in highly automated systems

Abeer Jazzar, Omar Alharasees, Utku Kale

Technological advances and the adaption of higher levels of automation serve as a potential cause of aviation incidents and accidents. This study aims to investigate the effect of…

Online environmentally adaptive trajectory planning for rotorcraft unmanned aerial vehicles

Chunming Tong, Zhenbao Liu, Qingqing Dang, Jingyan Wang, Yao Cheng

This paper aims to propose an environmentally adaptive trajectory planning system considering the dynamic characteristics of unmanned aerial vehicles (UAVs) and the distance…

Adhesion of auto-mixed and manual-mixed self-adhesive resin cements to dentin on exposure to long-term high-altitude pressure

Secil Ozkan Ata, Canan Akay, Emre Mumcu, Nazim Ata

The purpose of this study is to test the shear-bond-strengths of auto-mixed and manual-mixed self-adhesive resin cement to dentin on long-term high-altitude pressure.

Effect of baffles on hydrodynamic ram and damage of storage tank under fragment impact

Yuxin Tang, Ang Liu, Chen Zhao, Peng Ren, Zitao Guo

Fragment impact is one of the main threats for the safety of storage tank in aircraft. This study aims to investigate the influence of inserted baffle on hydrodynamic ram (HRAM…

A combination method for integrated modular avionics safety analysis

Haiyun Yang, Youchao Sun

This study aims to solve the problem that the traditional hierarchically performed hazard origin and propagation studies (HiP-HOPS) cannot make dynamic model for the complex…

Analysis of the influence of day and night temperature difference on oxygen concentration in ullage space of fuel tank

Ruihua Zhang, Weihua Liu

Determining the variation law of the oxygen concentration in the ullage space of the fuel tank is the key to the design of the inert system. Among various factors affecting the…