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Stalcup, Erik JamesNumerical Modeling of Upward Flame Spread and Burning of Wavy Thin Solids
Master of Sciences, Case Western Reserve University, EMC - Aerospace Engineering
Flame spread over solid fuels with simple geometries has been extensively studied in the past, but few have investigated the effects of complex fuel geometry. This study uses numerical modeling to analyze the flame spread and burning of wavy (corrugated) thin solids and the effect of varying the wave amplitude. Sensitivity to gas phase chemical kinetics is also analyzed. Fire Dynamics Simulator is utilized for modeling. The simulations are two-dimensional Direct Numerical Simulations including finite-rate combustion, first-order pyrolysis, and gray gas radiation. Changing the fuel structure configuration has a significant effect on all stages of flame spread. Corrugated samples exhibit flame shrinkage and break-up into flamelets, behavior not seen for flat samples. Increasing the corrugation amplitude increases the flame growth rate, decreases the burnout rate, and can suppress flamelet propagation after shrinkage. Faster kinetics result in slightly faster growth and more surviving flamelets. These results qualitatively agreement with experiments.

Committee:

James T'ien (Committee Chair); Joseph Prahl (Committee Member); Yasuhiro Kamotani (Committee Member)

Subjects:

Aerospace Engineering; Fluid Dynamics; Mechanical Engineering

Keywords:

modeling;simulation;numerical modeling;combustion;computational combustion;direct numerical simulation;flame spread;burning;wavy;corrugated;fire dynamics simulator;FDS;fuel structure;fuel geometry;complex geometry;cardboard;

Ritter, Amy BMy Body In Visual Culture
Master of Arts, The Ohio State University, 2014, Art
This thesis tracks four major shifts in my art making process (glass blowing, sculpture, photography, installation) since 2011. This Embrace, is an installation of sixty photographic self-portraits mounted on cardboard. The installation explores the body and the impact of visual cultural influence. It broke down not only material boundaries, but also the boundaries between my daily life and my studio practice. I will explain how each material has been influential as well as how other artists and writers have affected the installation’s development.

Committee:

Richard Harned (Advisor); Carmel Buckley (Advisor); George Rush (Advisor)

Subjects:

Fine Arts; Womens Studies

Keywords:

Body; women bodies; visual culture; feminism; xerox print; cardboard cutout; sculpture; androgyny; photography; historical reference; concrete; cinderblock; Photoshopping; erasure; effacing; sex; gender; Identity; Glass; pants blow; Installation; Art