Research Article Flight mechanics/Navigation/Control/...
Investigation of Changes in Structural Simulation of Three-axis Gyroscopic Stabilizer

Hamid Reza Moghaddas; Ali Mahmoodi; Farshad Pazooki

Volume 5, Issue 3 , November 2021, Pages 1-19

  A new approach is presented for the management of controlling the changes in design process of a triaxis gyroscopic stabilizer for a camera mounted on a flying robot. It includes decision-making and the way of identifying the best Investigation of the control process. As a prototype, the Phantom Flying ...  Read More

Research Note Structure/Solid Mechanics/Solid Dynamics/Vibrations/Aeroelasticity/...
Fabrication of Epoxy-date Fiber Composite with the Aim of Improving Mechanical Properties

Sajedeh Hadavian; Jafar Eskandari Jam; Ali Davar; Mohsen Heydari Beni; Majid Eskandari Shahraki

Volume 5, Issue 3 , November 2021, Pages 21-36

  One of the leading challenges in the fabrication of natural fiber composites is the adhesion of the fibers to the matrix. Since improving the adhesion between the fibers and the matrix changes the mechanical properties of natural composites, fiber surface modification has been considered. In this study, ...  Read More

Scientific extension Aerodynamics/Fluid Mechanics/Aeroacoustics/...
The formation of respiratory droplets caused by breathing, coughing, and sneezing in patients with Covid-19 and the role of wearing a mask in controlling its spread

Seyyedeh Kokab Goharain; Mohammad Taeibi Rahni

Volume 5, Issue 3 , November 2021, Pages 37-47

  The sudden spread of Covid-19 in the world has attracted everyone's attention. In addition, due to the unknown and lack of definitive treatment methods, the World Health Organization and other medical institutions recommend non-pharmacological solutions to control the virus. In this regard, one of the ...  Read More

Scientific extension Aviation/Piloting/Flight Care/Safety/Standard/Avionics/Air Telecommunications/...
Study of the effects of wind on aircraft landing and take-off safety

Mohammad Khalilnejad

Volume 5, Issue 3 , November 2021, Pages 49-56

  Various atmospheric phenomena are the main factor or at least a contributing factor in many aviation accidents. Various weather phenomena such as air temperature, visibility, present weather, clouds, pressure, wind affect aviation safety. Among these elements, the wind condition has the greatest impact ...  Read More

Research Article Other Related Fields
Investigation of Ground Effect on the Beamforming of the Glide Path Altitude Adjustment Navigation System

Zahra Davoodabadi farahani; Moein Ahmadi; Hamed Khoshniyat

Volume 5, Issue 3 , November 2021, Pages 57-65

  The Glide Path altitude adjustment system is one of the tools of the landing navigation system (ILS) that helps the airplane to find its angle related to the runway by sending radio signals. It is done by sending two signals with a predetermined radiation pattern. The ratio of these two signals is used ...  Read More

Scientific extension Propulsion/Thermodynamics/Heat Transfer/Fuel and Combustion/Energy/...
A Review of Studies on Ramjet and Scramjet Engines from an Energy–exergy Viewpoint

Jamasb Pirkandi; AliReza Zolfi

Volume 5, Issue 3 , November 2021, Pages 67-79

  The second law of thermodynamics and exergy is an important issue in the analysis of propulsion systems that have been highly regarded by researchers in recent years. Studies show that the analysis of the first law in air propulsion systems alone has low scientific value, and for a complete study of ...  Read More