Volume 4, Issue 1 (2020) | Journal of Aircraft and Spacecraft Technology

British Airways is Ordering up to 42 Boeing 777-9s Aeronaves to Modernize the UK Flag Carriers Long-Haul Fleet

Relly Victoria Virgil Petrescu — 2020-02-19

Journal of Aircraft and Spacecraft Technology, Published online: 19 February 2020; doi:10.3844/jastsp.2020.1.20

The Boeing 777 (sometimes referred to as Triple 7) is a large-capacity subsonic long-haul bomber aircraft built by the American company Boeing. This type of aircraft holds the current record of autono...

Fiber Laser Beam Welding Between Niobium and Titanium

Rafael Humberto de Mota Siqueira — 2020-03-09

Journal of Aircraft and Spacecraft Technology, Published online: 9 March 2020; doi:10.3844/jastsp.2020.21.25

Niobium and titanium are difficult to weld because of many factors, such as their tendency to oxidize and burn and the relatively high melting temperatures. Here, fiber laser beam welding has been pro...

Mathematical Formulation and Numerical Implementation of a Finite Element with Anisotropic Geometry

Davide Tumino — 2020-03-13

Journal of Aircraft and Spacecraft Technology, Published online: 13 March 2020; doi:10.3844/jastsp.2020.26.38

A plane quadrangular element with geometric anisotropy has been developed to perform 2D Finite Elements Analyses in cases where high stress concentrations, varying with very different laws along two o...

White Light Generation in Dy³⁺-Doped Sodium Lead Alumino Borosilicate Glasses for W-LED Applications

K. Vijaya Babu — 2020-06-03

Journal of Aircraft and Spacecraft Technology, Published online: 3 June 2020; doi:10.3844/jastsp.2020.39.47

Excitation and emission spectra of sodium lead alumino borosilicate glass doped with different concentrations of Dy3+ have been reported. The concentration of Dy3+ were varied from 0.5 to 1.5 mol%. As...

Image Processing of Friction Stir Welded 6060-T5 Aluminum Alloy Joint

Akshansh Mishra — 2020-04-30

Journal of Aircraft and Spacecraft Technology, Published online: 30 April 2020; doi:10.3844/jastsp.2020.48.53

Image processing can be a breakthrough in aerospace and manufacturing industries. In this research study, Friction Stir Welding of 6060 T5 Alloy is carried out. The image obtained of the Friction Stir...

Honeycomb Sandwich Specimens Made of PLA and Produced Via 3D FDM Printing Process: An Experimental Study

Salvatore Brischetto — 2020-05-25

Journal of Aircraft and Spacecraft Technology, Published online: 25 May 2020; doi:10.3844/jastsp.2020.54.69

In recent years, the 3D Fused Deposition Modelling (FDM) technology, usually employed for the production of nonstructural objects, has been also used by the present authors for the production of small...

About Gateway

Relly Victoria Virgil Petrescu — 2020-05-24

Journal of Aircraft and Spacecraft Technology, Published online: 24 May 2020; doi:10.3844/jastsp.2020.70.87

After several postponements or even giving up, NASA finally decided to prepare and launch the long-delayed Moon space station Gateway, which had to be postponed for financial, technical reasons, but a...

Machine Learning Approach for Defects Identification in Dissimilar Friction Stir Welded Aluminium Alloys AA 7075-AA 1100 Joints

Akshansh Mishra — 2020-07-01

Journal of Aircraft and Spacecraft Technology, Published online: 1 July 2020; doi:10.3844/jastsp.2020.88.95

Machine learning approaches are now applied in various manufacturing industries. Various machine learning algorithms can be implemented for prediction of the particular mechanical properties like Ulti...

Trajectory Optimization for First Human Asteroid Exploration Mission

Atiksha Sharma — 2020-08-08

Journal of Aircraft and Spacecraft Technology, Published online: 8 August 2020; doi:10.3844/jastsp.2020.96.116

After the successful completion of robotic expeditions on Mars, an ultimate goal was set for space fairing nations and agencies around the world to send astronauts to Mars by 2030. Unfortunately, a mi...

The Use of Eye Tracking in Assessing Visual Attention

Ayiei Ayiei — 2020-09-04

Journal of Aircraft and Spacecraft Technology, Published online: 4 September 2020; doi:10.3844/jastsp.2020.117.124

In aviation, procedural errors persist despite pilots having the correct knowledge and ability to perform particular flight tasks. These errors can be attributed to diagnostic errors, inaccurate situa...

Electric, Solar and Fuel Car Convertible Boat, Vertical Aircraft Flying Supersonic

Seyed Ali Akbar Mousavi — 2020-09-19

Journal of Aircraft and Spacecraft Technology, Published online: 19 September 2020; doi:10.3844/jastsp.2020.125.135

In this project I intend to discuss the technology design project that we can speed up relief and aid to those affected by the accident or military, security and political affairs and I've designed a ...

Fishing for “16 Psyche”

Relly Victoria Virgil Petrescu — 2020-09-10

Journal of Aircraft and Spacecraft Technology, Published online: 10 September 2020; doi:10.3844/jastsp.2020.136.151

16 Psyche is one of the most massive asteroids in the asteroid belt. This object has a diameter of over 200 km and contains about 1% of the mass of the entire asteroid belt. It is believed to be the e...

Structural Colour from Optical Phenomena Caused by Interference with a Thin or Multilayer Film, Photonic Nanocrystals, Light Scattering and Diffraction Grating Effect

Relly Victoria Petrescu — 2020-08-13

Journal of Aircraft and Spacecraft Technology, Published online: 13 August 2020; doi:10.3844/jastsp.2020.152.178

The paper presents the Ion Plating Plasma Assisted technology that is applied in the area of surface functionalization with the purpose of preserving the structural colour and relics. The interferomet...