Table 1 Relationship between sensor inclined angles, corresponding heights of fuel, different volumes of fuel, and output voltages

Height (cm)

Volume (liters)

Output voltage (volts)

Measured (geometry)

Calculated

Measured (geometry)

Calculated

Measured (geometry)

Calculated

h = 37.5 - 23 cos θ

V = A× h

V = 0.729 (37.5 - 23 cos θ)

${\mathit{V}}_{\mathbf{out}}\mathbf{=}\frac{\mathbf{9}}{\mathbf{280}}{\mathbf{cos}}^{\mathbf{-}\mathbf{1}}\left(\frac{\mathbf{37.5}\mathbf{-}\mathit{h}}{\mathbf{23}}\right)$