Scientific extension Aerodynamics/Fluid Mechanics/Aeroacoustics/...
Investigating selected methods to improve aerodynamic coefficients and better performance of UAV

Mohamad hossein Moghimi Esfandabadi; Mohammad Hassan Djavareshkian

Volume 8, Issue 3 , September 2024, Pages 1-16

https://doi.org/10.22034/jtae.2024.8.3.1

Abstract
  An unmanned aircraft (UAV) is a type of aircraft that operates without the need for a human passenger. These planes are able to fly automatically, without the need for remote control, and are mostly controlled by computers and sensors. UAVs are used in many industries and have various applications, including ...  Read More

Research Article Propulsion/Thermodynamics/Heat Transfer/Fuel and Combustion/Energy/...
Design of cryogenic propulsion feeding system for second stage of special rocket Based on space standards

MohamadAmin Borghei; Muhammad Amin Eskandari

Volume 8, Issue 3 , September 2024, Pages 17-32

https://doi.org/10.22034/jtae.2024.8.3.2

Abstract
  In general, according to the Russian Gost standard, the space propulsion engine system includes injection subsystems, thrust chamber, heat transfer and cooling system, launch system, feeding system, thrust vector control system which due to overlap and penetration The manifolds between the engine reservoirs ...  Read More

Research Article Space Engineering/Space Orbit Mechanics/Space Sciences/...
Adaptive Modified Sliding-Mode-based Attitude Control of a Satellite Under Reaction Wheel Fault

Narges Talebi Motlagh; Sevil Mohammadzadeh Sadigh; hossein beheshti; hamid Ghouchi Eskandar; Moharram Shameli

Volume 8, Issue 3 , September 2024, Pages 33-46

https://doi.org/10.22034/jtae.2024.8.3.3

Abstract
  In this paper, passive adaptive modified sliding-mode-based fault tolerant control is designed to track the desired attitude of a satellite with four reaction wheels in the presence of external disturbances, system uncertainties, and actuator fault. In order to achieve this goal, the adaptive modified ...  Read More

Research Article Propulsion/Thermodynamics/Heat Transfer/Fuel and Combustion/Energy/...
Analysis and identification of the flow pattern in a specific high-pressure axial turbine in off-design conditions

Sahar Saharkhiz; Reza Aghaei Togh

Volume 8, Issue 3 , September 2024, Pages 47-61

https://doi.org/10.22034/jtae.2024.8.3.4

Abstract
  The aim of this research is to identify the flow pattern in off-design conditions of a specific high-pressure axial turbine. by writing the preliminary design code, the turbine was designed, Then the geometry of this turbine was designed in CATIA and Ansys Design Modeler softwares, and it is meshed in ...  Read More

Research Article Space Engineering/Space Orbit Mechanics/Space Sciences/...
conceptual design of store and forward payload for LEO satellite

elham hosseini; razieh Narimani

Volume 8, Issue 3 , September 2024, Pages 63-74

https://doi.org/10.22034/jtae.2024.8.3.5

Abstract
  One of the satellite telecommunication services is the S&F service. In this article, we analyze the service characteristics and explain the impact of them on the design parameters. One of the challenges of telecommunication payload design is the mapping of service parameters to the technical requirements ...  Read More

Scientific extension Flight mechanics/Navigation/Control/...
A review of the application of optimization algorithms nature inspired in the design of flight paths

Iman Shafieenejad; Mohammadreza Banitalebi Dehkordi; Mohammad Amin Nourianpour

Volume 8, Issue 3 , September 2024, Pages 75-99

https://doi.org/10.22034/jtae.2024.8.3.6

Abstract
  In this article, an overview of the application of optimization algorithms inspired by nature in the design of the flight path has been discussed. The significant increase in the capabilities and availability of independent ground and air tools makes safety and security challenges especially important ...  Read More