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Numerical Investigation of Propellant Flow and Finite Element Analysis of Wall Structure for a Bi-propellant Thruster, Compared to Proposed Analytical

Maziar Shafaee 1, Abbas Elkaie 1, Hamed Fallah 2, and Jebraiel Bayramlu 3
1. Faculty of New Science and Technology, University of Tehran, North Kargar Street 143951374, Tehran, Iran
2. Department of Mechanical Engineering, Iran University of Science and Technology, narmak 1684613114, Tehran, Iran
3. Department of Mechanical Engineering, Bonab Islamic Azad University, Bonab 5551785176, Bonab, Iran

Abstract—This paper reviews the design process of a bi-propellant space propulsion thruster to output 80N nominal thrust. The thrust chamber design problem of a space propulsion system is a complex and time consuming process. This is mainly due to performance constraints and high temperature flow requirements. These facts along with the specific geometry of the thrust chamber, make the fluid computations and structure analysis so difficult, particularly in terms of the thermal and force stresses. CFD and FEA are useful methods that helped to overcome these difficulties. Therefore, the thruster was successfully designed using ideal rocket equations and the design was successfully confirmed using CFD and FEA.
 
Index Terms—space propulsion system, bi-propellant, thrust chamber, CFD, FEA

Cite: Maziar Shafaee, Abbas Elkaie, Hamed Fallah, and Jebraiel Bayramlu, "Numerical Investigation of Propellant Flow and Finite Element Analysis of Wall Structure for a Bi-propellant Thruster, Compared to Proposed Analytical," International Journal of Mechanical Engineering and Robotics Research, Vol. 5, No. 2, pp. 133-137, April 2016. DOI: 10.18178/ijmerr.5.2.133-137

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