Maintenance of Engine, Wings and Fuselage of Aircraft/Technology/Manufacturing/...
Numerical Simulation of Helicopter Pilot Seat under Crash Impact

Hamid Reza Zarei; Mostafa Livani; Meysam Jalalvand

Articles in Press, Accepted Manuscript, Available Online from 17 October 2023

Abstract
  Abstract: In this article, to investigate the severity of damage to the helicopter pilot under the crash impact, the numerical simulation of the real helicopter cockpit seat has been done. To limit the complexity of the problem, a fully vertical impact was considered as a reference scenario for the assembly ...  Read More

Structure/Solid Mechanics/Solid Dynamics/Vibrations/Aeroelasticity/...
Investigating the effect of wear on the creepage life of jet engine turbine blades model 250-C20

Mostafa Livani; Hamid Reza Zarei; Seyed Mohammad Kamali

Articles in Press, Accepted Manuscript, Available Online from 24 January 2024

Abstract
  The fixed and moving blades of turbines in the hot part of jet engines and turboshafts, due to bearing extreme stresses at high temperature, are constantly exposed to various damages and failures such as hot corrosion, oxidation, creep damage, erosion, fatigue foreign body damage, and cracking. On the ...  Read More