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6 results for “design”

Formulae (6)

R = \frac{V_s - V_f}{I}

Resistor to safely drive an LED.

V_{out} = V_{in}\frac{R_2}{R_1 + R_2}

Output of a two-resistor divider.

FoS = \frac{\sigma_{ult}}{\sigma_{allow}}

Ratio of ultimate strength to allowable stress.

FoS = \frac{\text{failure load}}{\text{working load}}

Ratio of failure capacity to actual load.

FoS = \frac{\sigma_{ult}}{\sigma_{allow}}

Ratio of a material strength to the actual applied stress.

WL = \frac{W}{S}

Aircraft weight per unit wing area.