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Full-Text Articles in Mechanical Engineering
Experimental Study And Numerical Simulation Of Methane Oxygen Combustion Inside A Low Pressure Rocket Motor, Mine Kaya
University of New Orleans Theses and Dissertations
In this thesis, combustion processes in a laboratory-scale methane based low pressure rocket motor (LPRM) is studied experimentally and numerically. Experiments are conducted to measure flame temperatures and chamber temperature and pressure. Single reaction-four species reacting flow of gaseous methane and gaseous oxygen in the combustion chamber is also simulated numerically using a commercial CFD solver based on 2-D, steady-state, viscous, turbulent and compressible flow assumptions. LPRM geometry is simplified to several configurations, i.e. Channel and Combustion Chamber with Nozzle and FWD. Flow in a Bunsen burner is simulated inside Channel geometry in order to validate the reaction model. Grid …
A Numerical Study Of Compressible Lid Driven Cavity Flow With A Moving Boundary, Amer Hussain
A Numerical Study Of Compressible Lid Driven Cavity Flow With A Moving Boundary, Amer Hussain
University of New Orleans Theses and Dissertations
A two-dimensional (2-D), mathematical model is adopted to investigate the development of circulation patterns for compressible, laminar, and shear driven flow inside a rectangular cavity. The bottom of the cavity is free to move at a specified speed and the aspect ratio of the cavity is changed from 1.0 to 1.5. The vertical sides and the bottom of the cavity are assumed insulated. The cavity is filled with a compressible fluid with Prandtl number, Pr =1. The governing equations are solved numerically using the commercial Computational Fluid Dynamics (CFD) package ANSYS FLUENT 2015 and compared with the results for the …