Aerospace Science and Technology
Investigation of Flow Separation Phenomenon for Supersonic Convergent–Divergent Nozzles

Omid Habibi; Reza Ebrahimi; Hassan Karimi Mazraeh Shahi

Volume 14, Issue 2 , October 2021, , Pages 141-151

Abstract
  The nozzle, an end-element of the propulsive process Cycle, represents a critical part of any aerospace vehicle. The task of accelerating and efficiently exhausting combusted and reactive gases according to the delivered thrust represents the main objective of the propulsion system design. Flow separation ...  Read More

Aerospace Science and Technology
A Simulation Algorithm for Staged Combustion Cycle Liquid Propellant Rocket Engines

Mahyar Naderi; Liang Guozhu; Hassan Karimi; Sara Pourdaraei

Volume 13, Issue 2 , October 2020, , Pages 85-91

https://doi.org/10.22034/jast.2021.128003

Abstract
   In order to reduce cost and time along with enhancing the safety issues, numerical computer modelling and simulations are widely used for analyzing complex systems such as launch vehicle or spacecraft propulsion system. The objective of this research is to obtain an algorithm for simulation of ...  Read More

Application of A Simulation Algorithm for Dynamic and Nonlinear Analysis of A Liquid Propellant Engine

Hassan Karimi; Amir Nassirharand

Volume 3, Issue 1 , March 2006, , Pages 23-30

Abstract
  In this paper application of a simulation algorithm for dynamic and nonlinear analysis of a specific liquid propellant engine is presented. The mathematical model of the engine includes a set of nonlinear algebraic equations which is coupled with a set of time varying differential equations. In contrast ...  Read More