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Foros Ingeniería Civil • Ecuación de Manning
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Ecuación de Manning

Publicado: Mar Nov 17, 2020 11:31 am
por santodejar
Buen día a toda la comunidad.

Hoy día tuve el siguiente problema con la ecuación de Manning y espero que me puedan apoyar.

Q=(1/n)(A)(R^2/3)(S^1/2)

Pero al momento de hacer una análisis dimensional del lado derecho de la ecuación tengo lo siguiente:

n es adimensional
S es adimensional (aunque es la pendiente m/m = L/L)
A = L^2
R = L

Por lo tanto:

Q= L^3/T (parte izquierda)

(1/n)(A)(R^2/3)(S^1/2) = L^2 * L^2/3 = L^8/3 (parte derecha)

De donde L^3/T es diferente de L^8/3.

Quedo a la espera de sus comentarios.