Densities of Fluids in Shock Absorbers

Overview

Objectives The purpose of the project is to determine if whether or not, a fluid's density will contribute to the amount of force needed to move that fluid. Methods Water, Vegetable oil, Fox custom oil, Table salt, 10 mL graduated cylinder, 100 mL graduated cylinder, Dynamometer machine, Shock, nitrogen Ran the shock on the dynamometer at different velocities and the "dyno" measured the force it took to compress the shock. Results Force outputs did not directly vary to the density of each fluid like I thought. At times, fluids with higher densities took less force to move than a fluid with a lower density. Conclusions The data did not support my hypothesis. Viscosity is the main factor in this situation and my data does prove that. Water and salt-water produced almost identical results to the Fox oil meaning you could fill a shock with them, but chemical and physical reactions would be detrimental to the shock over time.

Competition history

• CSEF 2019 Materials Science (Junior Division Only) · Entry J1321

Resources

• CSEF project summary ↗

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