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Projecte/Treball Fi de Carrera

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) Total.<br />

aspersors<br />

3 ⋅ 5 ramals = 15 aspersors<br />

ramal<br />

m<br />

3,95<br />

h<br />

3<br />

3<br />

m<br />

× 15 aspersors = 59,25<br />

h<br />

- Elecció aspersor.<br />

Annexos Memòria<br />

Segons da<strong>de</strong>s <strong>de</strong> l’aspersor comercial que s’utilitza en el present<br />

projecte, es calcula la pressió nominal <strong>de</strong> l’aspersor a partir <strong>de</strong>l cabal<br />

calculat anteriorment.<br />

m<br />

Cabal: 0,66 – 4,93<br />

h<br />

3<br />

⎛ kp ⎞<br />

Pressió: 2,10 – 6,20 bars ⎜ 2 ⎟<br />

⎝ cm ⎠<br />

m<br />

4,93<br />

h<br />

m<br />

3,95<br />

h<br />

3<br />

3<br />

kp<br />

→ 6,2<br />

cm<br />

kp<br />

→ X 2<br />

cm<br />

Pn = 4,97 atm<br />

m<br />

q = 3,95<br />

h<br />

3<br />

- Dimensionament canona<strong>de</strong>s:<br />

FAO → ∆Q = 10% qn<br />

P<br />

n<br />

∆P = 20%<br />

γ<br />

2<br />

3,95 ⋅ 6,2<br />

X = Pn<br />

= = 4,97 atm<br />

4,93<br />

Broquet <strong>de</strong> 6 mm<br />

57

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