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Full-Text Articles in Physics

Co2 Conversion Over Supported Coni Bimetallic And Conipd Trimetallic Catalyst Via Dry Reforming With Methane, Scott Bamonte Oct 2017

Co2 Conversion Over Supported Coni Bimetallic And Conipd Trimetallic Catalyst Via Dry Reforming With Methane, Scott Bamonte

Post & Beyond

Greenhouse gas emission is a problem for the earth, and is causing warming

of the climate, and acidification of the oceans. The primary objective of

this project is to develop novel cobalt based catalysts, to enhance catalytic

conversion of CO2 by methane into, value added chemicals and fuels. The

heterogeneous Co-based bimetallic and tri metallic catalysts were synthesized

via a wet incipient impregnation method to uniformly coat the metal

salts to the pre-treated support (TiO2, SiO2, and La-ZrO2). The catalyst was

dried in the oven at 80∞ C for two hours before subjected …


Sonoluminescence: Sound Into Light, Alexandra Lynn Oct 2017

Sonoluminescence: Sound Into Light, Alexandra Lynn

Post & Beyond

Sonoluminesence is the conversion of sound into light. We were trying

to see whether the intervals between the light flashes that had been seen

would be affected by the temperature of the water . To determine this, we

essentially used an RLC circuit where a flask of degassed water with piezoelectric

transducers glued to either side acted as the capacitor. We used

the piezos to pump a sinusoidal wave through the water and at circuit and

acoustic resonance, small bubbles inserted into the water, stabilized in the

center of the flask, collapsed and emitted blue light. This experiment uses

the …


Sonoluminescence: Sound And Light, Alexandra Lynn Jan 2017

Sonoluminescence: Sound And Light, Alexandra Lynn

Undergraduate Honors College Theses 2016-

The purpose of this experiment was to observe single bubble sonoluminescence. Sonoluminescence is the conversion of sound waves into light and requires resonating a circuit with a flask filled with degassed water. The resonating flask should allow a bubble to balance in the centre of the flask, and in the right conditions should exhibit sonoluminescence and emit light. I used a resonating RLC circuit with piezoelectric transducers acting as capacitors. Whilst I ensured both the circuit and flask were at resonance, I did not observe sonoluminescence. This could be attributed to the low voltage produced by the circuit, or the …