Aircraft Engineering and Aerospace Technology: Volume 94 Issue 7

Combined effects of inlet airflow temperature and upper expansion angle on the performance of scramjet nozzle

Yifang Sun, Chunxu Duan, Renfu Li, Chenghu Li

The purpose of this paper is to study the combined effects of inlet airflow temperature and the expansion angle of the upper expansion surface (upper expansion angle) on the…

6DOF nonlinear control loading system for a large transport aircraft simulator

Saeb Amir Ahmadi Chomachar, Ashok Kuppusamy

Flight simulators are one of the noticeable breakthroughs in aerospace engineering. One of the main compartments of flight simulators is its control loading system (CLS). The CLS…

Schlieren imaging investigation on azimuthally varying shock net from four-lobed corrugated nozzle

Kriparaj K.G., Roy V. Paul, Tide P.S., Biju N.

The purpose of this paper is to conduct an experimental investigation on the shock cell structure of jets emanating from a four-lobed corrugated nozzle using Schlieren imaging…

Horizontal take-off of an insect-like FMAV based on stroke plane modulation

Zihao Chen, Weiping Zhang, Jiawang Mou, Kexin Zheng

Vertical take-off is commonly adopted in most insect-mimicking flapping-wing micro air vehicles (FMAV) while insects also adopt horizontal take-off from the ground. The purpose of…

Improvement of aircraft maintenance manual (AMM) for Cessna 172

Tarik Gunes, Ugur Turhan, Birsen Yörük Açıkel

This study aims to bring a new approach to the existing structure of Cessna 172 type Aircraft Maintenance Manuals (AMM), operational safety, suitability for maintenance operations…

Systematic design of nonlinear ADRC for laser seeker system with FPGA-based rapid prototyping validation

Abdellah Ferdjali, Momir Stanković, Stojadin Manojlović, Rafal Madonski, Dimitrije Bujaković, Abderraouf Djenadbia

A laser seeker is an important element in missile guidance and control systems, responsible for target detection and tracking. Its control is, however, a challenging problem due…

Adaptive block backstepping control for a UAV performing lateral maneuvers under lateral c.g. uncertainty

Anukaran Khanna, Neelaksh Singh, Bijoy K. Mukherjee

Unmanned aerial vehicles (UAVs) have wide applications in surveillance and reconnaissance without risking human life. Due to unbalanced payload distribution or in-flight…

A case study on the effect of meteorological events on the efficiency of flight training organization

Ali Tatli, Erdogan Bocu, Tansu Filik, Tahir Hikmet Karakoc

The purpose of this study is to determine the meteorological events that affect flight training to make the training flight more efficient in a flight training organization (FTO…

Closed-loop identification for aircraft flutter model parameters

Wang Jianhong

The purpose of this paper is to extend the authors’ previous contributions on aircraft flutter model parameters identification. Because closed-loop condition is more widely used…

Effect of stator height change on bearing life in aircraft autopilot servos

Gurkan Ortamevzi, Yalcin Sahin

The purpose of this paper is to make a more precise prediction of the life of servo motors used in aircraft. The variation of the axial load created by the wave washer for…

Experimental analysis of friction stir welded aviation grade AA8090 joints using Taguchi orthogonal array

Raghuraj Panwar, Pankaj Chandna

This paper aims to predict the performance of friction stir welded AA8090 joint.

Improved particle filter-based estimation of a quadrotor subjected to uncertainties

Aziz Kaba, Ahmet Ermeydan

The purpose of this paper is to present an improved particle filter-based attitude estimator for a quadrotor unmanned aerial vehicle (UAV) that addresses the degeneracy issues.

Modeling of environmental effect factor and exergetic sustainability index with cuckoo search algorithm for a business jet

Ridvan Oruc, Tolga Baklacioglu, Onder Turan, Hakan Aydin

The purpose of this paper is to create models that predict exergetic sustainability index (ESI) and environmental effect factor (EEF) values with high accuracy according to…

Numerical study of unmanned aerial vehicle (UAV) in dry microburst environment using large eddy simulation (LES) model

Somashekar V., Immanuel Selwynraj A.

In a microburst wind, the profiles and characteristics are significantly different from those of normal boundary layer winds. The objective of this work is to study the microburst…

The omnidirectional runway with infinite heading as a futuristic runway concept for future free route airspace operations

Emre Aydoğan, Soner Demirel

The purpose of this paper is to create and analyze the effectiveness of a new runway system, which is totally created for the future free route operations.

The pre-process DV-UKF algorithm for high-precision attitude measurement with low-cost inertial sensor

Rong Wang, Jin Wu, Chong Li, Shengbo Qi, Xiangrui Meng, Xinning Wang, Chengxi Zhang

The purpose of this paper is to propose a high-precision attitude solution to solve the attitude drift problem caused by the dispersion of low-cost micro-electro-mechanical system…