Essays about: "Propellant"

Showing result 6 - 10 of 64 essays containing the word Propellant.

  1. 6. Simulation of Combustion in a Hybrid Rocket Engine

    University essay from KTH/Skolan för teknikvetenskap (SCI)

    Author : Oscar Andersson; [2023]
    Keywords : Thesis; Hybrid Rocket Engine; CFD; computational fluid dynamics; combustion;

    Abstract : A numerical investigation on the combustion mechanics of a hybrid rocket engine is performed through unsteady Reynolds-averaged Navier-Stokes simulation. The hybrid rocket engine model is based on an experimental laboratory scale engine design operating on GOX and HDPE as a propellant. READ MORE

  3. 7. Experimental study on the effect of rocket nozzle wall materials on the stability of methane

    University essay from KTH/Skolan för industriell teknik och management (ITM)

    Author : Thomas L. Holmboe; [2023]
    Keywords : Methane; pyrolysis; catalysis; nickel; coke deposition; chemical modelling; GRI3.0; rocket nozzle; regenerative cooling;

    Abstract : There has recently been an increased interest in methane as a rocket propellant due to its physical properties as well as the possibility of in-situ resource utilization in places like Mars. As part of ESA’s Future Launcher Preparatory Program, KTH in cooperation with GKN Aerospace has started the MERiT program, which seeks to study the characteristics of methane under conditions found in rocket nozzle cooling channels. READ MORE

  4. 8. Development and evaluation of concepts for a highacceleration test rig : Development of a test rig, which aims to investigate possibilities for controllable and securepressure build up

    University essay from Karlstads universitet

    Author : Fredrik Axelsson; [2023]
    Keywords : ;

    Abstract : Since the early 18th century, compressed air has been used as a variant of propellant to move objects.The technology was not very successful during that period, but in the 20th century, engineers beganexploring the possibilities of using compressed air to power tools and machines. READ MORE

  5. 9. Design of a modular small-scale PMMA/Air hybrid rocket research engine

    University essay from Luleå tekniska universitet/Institutionen för system- och rymdteknik

    Author : Gustaf von Platen; [2023]
    Keywords : hybrid rocket engine; PMMA combustion; rocket engine design; combustion diagnostics; rocket engine; regression rate; preliminary design definition; hybrid rocket engine simulation; gaseous oxidizer; transparent rocket engine;

    Abstract : Rocket propulsion using the hybrid-propellant scheme is a technology that offers much promise in applications where high-performance liquid rocket engines are deemed too complex and solid rocket motors are considered to lack performance or safety. However, despite extensive research, there is still a lack of knowledge in the theoretical aspects of hybrid rocketry, especially in the area of fuel-oxidizer mixing and fuel regression rate. READ MORE

  6. 10. Numerical Approach to the Design and Optimisation of a Bi-Propellant Pintle Injector

    University essay from Luleå tekniska universitet/Rymdteknik

    Author : Erik Andersson; [2022]
    Keywords : pintle injector; optimisation; propulsion; liquid propellant;

    Abstract : Rocket propulsion is of vital importance for space travel. New innovations are continuously developed in order to facilitate the demand of the rapidly evolving space sector. Recently a focus on reusable rockets has appeared due to the economical and environmental benefits they bring. READ MORE