Przykładowe obliczenia:

d_p = 135 mm

p_z = 27 mm alk. = 91,8 PA

p_stm1 = 15 mm alk. = 51 Pa

p_stm2 = 30 mm alk. = 102 Pa

p = h γ

h = L/2,5

p = (L/2,5)*8500

p = 3400 L [Pa]

U = 130 V

I = 1,5 A

N_el = UI = 195 W

_el = f(N_el) = 0,643

c_zw = 0,698 * 1* (2 * 91,8)/1,149 = 8,82 m/s

v' = c_zw A_zw = 0,0156 * 8,82 = 0,138 = 0,14 m³/s

c₂ =

p_c = p_st + ρc₂²/2

p_st = p_stm1 + p_stm2 = 51 + 102 = 153 Pa

p_c = p_st + ρc₂²/2 = 153 + 1,149 *1,44 / 2 = 153,83 Pa

N_u = v' p_c = 153,83 * 0,14 = 21,5 W

N_e = N_el * _el * _p =

_w = N_u/N_e =

 = p_c2/p_c1 =

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