L2
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LEYES DE KIRCHHOFF
CIRCUITOS EN SERIE
1ΒͺPrimera ley:
πΈ = πΈπ = πΈπ = πΈπ = β―
La cantidad de aire que sale desde una uniΓ³n debe ser igual a la cantidad de aire que entra a la uniΓ³n.
π―π = π»π1 + π»π2 + π»π3 + β―
πΈπ + πΈπ = πΈπ + πΈπ
π―π = πΉπ |πΈ|πΈ + πΉπ |πΈ|πΈ + πΉπ |πΈ|πΈ π―π = πΉπ πΈπ + πΉπ πΈπ + πΉπ πΈπ + β―
βπΈ = π
π―π = (πΉπ + πΉπ + πΉπ + β― )πΈπ = πΉππ πΈπ CIRCUITO EN PARALELO
2ΒͺSegunda ley:
πΈ = πΈπ + πΈπ + πΈπ + β―
CaΓda de presiΓ³n alrededor de cualquier circuito cerrado debe ser igual a cero.
π―π = π»π1 = π»π2 = π»π3 = β― πΈ=
β π―π = π π―π = π»ππ + π»ππ + π»ππ β π»ππ
πΈ = βπ―π (
π―π = πΉ|πΈ|πΈ
π βπΉπ
π βπΉππ Caudal πΈ: CaΓda de presiΓ³n π―π : resistencia πΉ: πΉππ Resistencia equivalente 1 cfm: 1 pieΒ³/min = 1 ftΒ³/min 1 cfm = 4.71947Γ10β4 m3/s 1 Pulgadas de agua=249.08 Pascales
=
βπ―π βπ―π βπ―π + + πΉπ πΉπ πΉπ π
+
βπΉπ
π βπΉπ
+
+
π βπΉπ
π βπΉπ
) = βπ―π (
+
π βπΉπ
π βπΉππ
)
+β― π
πΉππ = (
π π π π + + βπΉπ βπΉπ βπΉπ
πΉ
)
πΉ
πΈπ = πΈβ πΉππ , πΈπ = πΈβ πΉππ , β¦ π
πΈ: π―π : πΉ:
π
cfm Pulg(in) Pulg*ππππ /πππ ; Pulg*ππππ /πππ o N*ππ /ππ
m3/s Pa
CIRCUITOS EN SERIE
1ΒͺPrimera ley:
πΈ = πΈπ = πΈπ = πΈπ = β―
La cantidad de aire que sale desde una uniΓ³n debe ser igual a la cantidad de aire que entra a la uniΓ³n.
π―π = π»π1 + π»π2 + π»π3 + β―
πΈπ + πΈπ = πΈπ + πΈπ
π―π = πΉπ |πΈ|πΈ + πΉπ |πΈ|πΈ + πΉπ |πΈ|πΈ π―π = πΉπ πΈπ + πΉπ πΈπ + πΉπ πΈπ + β―
βπΈ = π
π―π = (πΉπ + πΉπ + πΉπ + β― )πΈπ = πΉππ πΈπ CIRCUITO EN PARALELO
2ΒͺSegunda ley:
πΈ = πΈπ + πΈπ + πΈπ + β―
CaΓda de presiΓ³n alrededor de cualquier circuito cerrado debe ser igual a cero.
π―π = π»π1 = π»π2 = π»π3 = β― πΈ=
β π―π = π π―π = π»ππ + π»ππ + π»ππ β π»ππ
πΈ = βπ―π (
π―π = πΉ|πΈ|πΈ
π βπΉπ
π βπΉππ Caudal πΈ: CaΓda de presiΓ³n π―π : resistencia πΉ: πΉππ Resistencia equivalente 1 cfm: 1 pieΒ³/min = 1 ftΒ³/min 1 cfm = 4.71947Γ10β4 m3/s 1 Pulgadas de agua=249.08 Pascales
=
βπ―π βπ―π βπ―π + + πΉπ πΉπ πΉπ π
+
βπΉπ
π βπΉπ
+
+
π βπΉπ
π βπΉπ
) = βπ―π (
+
π βπΉπ
π βπΉππ
)
+β― π
πΉππ = (
π π π π + + βπΉπ βπΉπ βπΉπ
πΉ
)
πΉ
πΈπ = πΈβ πΉππ , πΈπ = πΈβ πΉππ , β¦ π
πΈ: π―π : πΉ:
π
cfm Pulg(in) Pulg*ππππ /πππ ; Pulg*ππππ /πππ o N*ππ /ππ
m3/s Pa
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