Research Article Flight mechanics/Navigation/Control/...
Designing Pitch Angle Compensator for an UAV and Robustification it with Bee Colony Optimization Algorithm

Mohammad Hosein Alizadeh; Alireza Toloei

Volume 8, Issue 1 , April 2024, Pages 1-14

  The intended aircraft in this issue is an UAV type, capable of performing multiple missions. In this paper, after the linearization of the pitch channel, the transfer function for important points is extracted. After that, a robust classic compensator and an angular velocity damper are designed. According ...  Read More

Research Article Aerodynamics/Fluid Mechanics/Aeroacoustics/...
Design and fabrication of smart small airfoil using surface deformation and experimental study of aerodynamic properties

Ramin Zakeri

Volume 8, Issue 1 , April 2024, Pages 15-25

  In this article, the deformable structures of a symmetrical airfoil and the discussion of aerodynamic forces are discussed inside the wind tunnel with miniature dimensions. The problem, which is checked in this article, is the investigation the effect of surface deformation in a small airfoil. In order ...  Read More

Research Article Propulsion/Thermodynamics/Heat Transfer/Fuel and Combustion/Energy/...
Numerical Simulation of Unsteady Flow and Calculation of Heat Transfer Coefficient inside the Solid Fuel Engine Shell

Mohsen Esfandi; Mohammad Kazem Moayyedi

Volume 8, Issue 1 , April 2024, Pages 27-39

  In this study, the simulation of internal ballistics and the exhaust flow of a solid propellant engine have been investigated. The flow field considered in this problem including the cylindrical grain and the solid wall of the engine and the flow at the nozzle outlet have been studied. The governing ...  Read More

Research Article Space Engineering/Space Orbit Mechanics/Space Sciences/...
Star Trackers Evaluation by Statistical Analysis

Mohammad Sajjad Mahdiyari; Mehran Nosratollahi; Reza Zardashti

Volume 8, Issue 1 , April 2024, Pages 41-66

  A comprehensive statistical analysis and comparison on the characteristics of star trackers used in the world can provide valuable information to researchers, manufacturers and customers in this field. In this regard, with a comprehensive search, 12 indicators of star sensors (accuracy, maximum trackable ...  Read More

Scientific extension Space Engineering/Space Orbit Mechanics/Space Sciences/...
Implementation of LDUT-based redundancy and frame structure management in CAN bus space applications

Morteza Farhid; Samira Mir Mazhari Anvar; Moharram Shameli; Hossain Beheshti birami

Volume 8, Issue 1 , April 2024, Pages 67-77

  This paper discusses how to implement the CAN bus protocol based on the ECSS standard in the space applications of satellites and various missions. The CAN protocol frame consists of the frameworks, arbitration and control, data, cyclic redundancy, and verification sections. The arbitration and control ...  Read More

Scientific extension Maintenance of Engine, Wings and Fuselage of Aircraft/Technology/Manufacturing/...
A Review of Satellite Thermal Simulation Facilities in The Environmental Conditions of Earth's Orbits for Composite Structures

mehdi jafari; Amirreza Ardebili; Amir Kaveh

Volume 8, Issue 1 , April 2024, Pages 79-95

  Components of the LEO environment consisting of high vacuum, ultraviolet radiation, thermal cycles, Atomic Oxygen, charged particles, electromagnetic radiation, micrometeorites, and space debris significantly degrade the material properties of polymer matrix composite materials. Therefore, in the design ...  Read More