Eng-Calculations

The flow characteristic (crank mechanism)

Values for calculation

Lever angle in closed position

$α$ $\mathrm{°}$

Swing angle

$β$ $\mathrm{°}$

Lever arm length

$r$ $\mathrm{mm}$

Rod length

$l$ $\mathrm{mm}$

Eccentricity

$e$ $\mathrm{mm}$

Flow coefficient $ K_{Q-valve[0]} $

$K_{Q-valve[0]}$

Flow coefficient $ K_{Q-valve[10]} $

$K_{Q-valve[10]}$

Flow coefficient $ K_{Q-valve[20]} $

$K_{Q-valve[20]}$

Flow coefficient $ K_{Q-valve[30]} $

$K_{Q-valve[30]}$

Flow coefficient $ K_{Q-valve[40]} $

$K_{Q-valve[40]}$

Flow coefficient $ K_{Q-valve[50]} $

$K_{Q-valve[50]}$

Flow coefficient $ K_{Q-valve[60]} $

$K_{Q-valve[60]}$

Flow coefficient $ K_{Q-valve[70]} $

$K_{Q-valve[70]}$

Flow coefficient $ K_{Q-valve[80]} $

$K_{Q-valve[80]}$

Flow coefficient $ K_{Q-valve[90]} $

$K_{Q-valve[90]}$

Calculation

Stroke

$$S_{max}=\sqrt{l^2-\left(r\cdot\sin{α}-e\right)^2}+r\cdot\cos{α}-\sqrt{l^2-\left(r\cdot\sin{\left(α+β\right)}-e\right)^2}-r\cdot\cos{\left(α+β\right)}$$

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The flow characteristic (crank mechanism)

Values for calculation

Calculation

Stroke