Essays about: "sandwich nozzle"

Found 3 essays containing the words sandwich nozzle.

  1. 1. Probabilistic Multidisciplinary Design Optimization on a high-pressure sandwich wall in a rocket engine application

    University essay from Umeå universitet/Institutionen för fysik

    Author : Dennis Wahlström; [2017]
    Keywords : Multidisciplinary Design Optimization; Analytical Target Cascading; Multidisciplinary Feasible; Space Nozzle; Ariane; Expander Cycle Engine; Upper stage space rocket engine; Probabilistic; Augmented Lagrangian relaxation; Finite element; Solid Mechanics; Thermodynamics; Aerodynamics; Industrial approach; Latin Hypercube Sampling; Factorial Analysis; Analysis of Variance;

    Abstract : A need to find better achievement has always been required in the space industrythrough time. Advanced technologies are provided to accomplish goals for humanityfor space explorer and space missions, to apprehend answers and widen knowledges. READ MORE

  3. 2. Simulation of laser welding in sandwich rocket nozzle

    University essay from Karlstads universitet/Avdelningen för maskin- och materialteknik

    Author : Filip Elfving; [2015]
    Keywords : FEM; Sandwich; T-joint; residual deformations; residual stresses; Laser;

    Abstract : This bachelor thesis has been carried out at GKN Aerospace. GKN is a member of European Space Agency, designing and manufacturing rocket-nozzles for the Ariane rockets. The manufacturing process entails many welds. Weld-simulations have been made to investigate stresses and plastic strains on simplified geometries. READ MORE

  4. 3. Coolant Dump Ejector Design for Sandwich Rocket Nozzle : A parametric study of coolant dump ejector geometry

    University essay from KTH/Kraft- och värmeteknologi

    Author : Darri Kristmundson; [2013]
    Keywords : Coolant gas ejector; CFD; sandwich nozzle; rocket performance;

    Abstract : A parametrical study is performed of coolant dump gas ejectors for a sandwich rocket nozzle design. Five geometrical variations are simulated in four ambient conditions (static, subsonic, supersonic, vacuum) using an in-house CFD solver. READ MORE