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Chris Spencer edited data and analysis c4.tex
almost 10 years ago
Commit id: b8aeb1fd878ecbbc64b1a16d044a4fafdd7a8ae9
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\subsection{Fourth Sound}
Fourth sound is now calculated in the same fashion as above by the equation \[c_4=f2L\] for n=1 and L=.0495 meters as before. This time though there is a scattering factor,n, that is caused by the powder in the fourth sound cell that results in a lower measured velocity for fourth sound. This scattering can be determined by the equations \[ c_4=nc_{4
exp} exp}=\sqrt{\frac{\rho_s}{\rho}}c_1 \]
coupled with the equations \[ \frac{\rho_s}{\rho_n}=\frac{\frac{\rho_s}{\rho}{1-\frac{\rho_s}{\rho}}\]