Cap3 EscoamentoSistemasCondutosForcados
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❍■❉❘➪❯▲■❈❆ ●❊❘❆▲❊◆●❊◆❍❆❘■❆ ❈■❱■▲
Pr♦❢❡ss♦r✿
❈❆❘▲❖❙ ❉❆ ❈❖❙❚❆ ❋❊❘❘❊■❘❆
❈❆P❮❚❯▲❖ ✸ ✲ ❊❙❈❖❆▼❊◆❚❖ ❊▼ ❙■❙❚❊▼❆❙ ❉❊ ❈❖◆❉❯❚❖❙ ❋❖❘➬❆❉❖❙
▼❛rç♦✱✷✵✶✺
✶ ✴ ✷✼
❙✉♠ár✐♦
✶ ❈♦♥❞✉t♦s ❊q✉✐✈❛❧❡♥t❡s
✷ ❈♦♥❞✉t♦s ❡♠ ❙ér✐❡
✸ P❛râ♠❡tr♦s ■♠♣♦rt❛♥t❡s
✹ Pr♦❜❧❡♠❛ ✸✳✶
✺ ❈♦♥❞✉t♦s ❡♠ P❛r❛❧❡❧♦
✻ Pr♦❜❧❡♠❛ ✸✳✷
✼ ❘❡❞❡s ❞❡ ❉✐str✐❜✉✐çã♦ ❞❡ ➪❣✉❛
✽ Pr♦❜❧❡♠❛ ❞♦s ❚rês ❘❡s❡r✈❛tór✐♦s
✾ Pr♦❜❧❡♠❛ ✸✳✸
✶✵ ❈á❧❝✉❧♦ ❞❛s ❘❡❞❡s ❘❛♠✐✜❝❛❞❛s
✶✶ Pr♦❜❧❡♠❛ ✸✳✹
✶✷ ❊①❡r❝í❝✐♦ ❊①tr❛ ✲ ❘❡❞❡s ❘❛♠✐✜❝❛❞❛s
✶✸ ❈á❧❝✉❧♦ ❞❛s ❘❡❞❡s ▼❛❧❤❛❞❛s
✶✹ Pr♦❜❧❡♠❛ ✸✳✺
✶✺ ❊①❡r❝í❝✐♦ ❊①tr❛ ✲ ❘❡❞❡s ▼❛❧❤❛❞❛s
✷ ✴ ✷✼
❈♦♥❞✉t♦s ❊q✉✐✈❛❧❡♥t❡s
❯♠ ❝♦♥❞✉t♦ é ❡q✉✐✈❛❧❡♥t❡ ❛ ♦✉tr♦✭s✮ q✉❛♥❞♦ tr❛♥s♣♦rt❛ ❛ ♠❡s♠❛
✈❛③ã♦ s♦❜ ❛ ♠❡s♠❛ ♣❡r❞❛ ❞❡ ❝❛r❣❛✱ ❝✉❥❛s ❝❛r❛❝t❡ríst✐❝❛s ❞♦s ❝♦♥❞✉t♦s sã♦ ❞✐❢❡r❡♥t❡s✱ q✉❡r ♣❡❧♦ ❝♦❡✜❝✐❡♥t❡ ❞❡ ♣❡r❞❛ ❞❡ ❝❛r❣❛ ✭❢✮✱ q✉❡r ♣❡❧♦
❞✐â♠❡tr♦ ✭❉✮❀ t❛❧ ❝♦♠ sã♦ ♦s ❝♦♥❞✉t♦s ❡♠ sér✐❡ ❡ ❡♠ ♣❛r❛❧❡❧♦ q✉❡✱
❞❡✈✐❞♦ ❡ss❡ ❝♦♥❝❡✐t♦✱ ♣♦❞❡♠ s❡r tr❛♥s❢♦r♠❛❞♦s ❡♠ ❝♦♥❞✉t♦s s✐♠♣❧❡s✳
✸ ✴ ✷✼
❈♦♥❞✉t♦s ❡♠ ❙ér✐❡
◗✉❛♥❞♦ ✉♠❛ t✉❜✉❧❛çã♦ é ❢♦r♠❛❞❛ ♣♦r tr❡❝❤♦s ❞❡ ❝❛r❛❝t❡ríst✐❝❛s
❞✐st✐♥t❛s✱ ❝♦❧♦❝❛❞♦s ♥❛ ♠❡s♠❛ ❧✐♥❤❛ ❡ ❧✐❣❛❞♦s ♣❡❧❛s ❡①tr❡♠✐❞❛❞❡s✱ ❞❡ t❛❧ ♠❛♥❡✐r❛ ❛ ❝♦♥❞✉③✐r ❛ ♠❡s♠❛ ✈❛③ã♦✱ é ❝♦♥s✐❞❡r❛❞❛ ❝♦♥st✐t✉í❞❛
♣♦r ❈♦♥❞✉t♦s ❡♠ ❙ér✐❡✳
◗❡ = ◗✶ = ◗✷ = ◗✸
❤❢❡ = ❤❢✶ + ❤❢✷ + ❤❢✸
✹ ✴ ✷✼
❈♦♥❞✉t♦s ❡♠ ❙ér✐❡
❙❛❜❡✲s❡ q✉❡✿
❤❢
=
β.◗ ♥ .▲
✭✶✮
❉♠
❆ss✐♠ ❛ ❊q✿ ❤❢❡ = ❤❢✶ + ❤❢✷ + ❤❢✸ ♣♦❞❡ s❡r r❡❡s❝r✐t❛ ❝♦♠♦✿ β❡ .◗❡♥ .▲❡
❉❡♠
=
β✶ .◗✶♥ .▲✶
❉✶
♠
+
β✷ .◗✷♥ .▲✷
❉✷
♠
+
β✸ .◗✸♥ .▲✸
❉✸♠
✭✷✮
❈♦♠♦✿ ◗❡ = ◗✶ = ◗✷ = ◗✸ ✱ s✐♠♣❧✐✜❝❛♥❞♦ ❛s ✈❛③õ❡s✱ t❡r❡♠♦s✿ β❡ .▲❡
❉
♠
❡
=
β✶ .▲✶
❉✶
♠
+
❆❞♦t❛✲s❡ ❇❡ ❡ ❉❡ ❡ ❝❛❧❝✉❧❛✲s❡ ▲❡✳
✺ ✴ ✷✼
β✷ .▲✷
❉✷
♠
+
β✸ .▲✸
❉✸♠
✭✸✮
P❛râ♠❡tr♦s ■♠♣♦rt❛♥t❡s
❋ór♠✉❧❛ ❯♥✐✈❡rs❛❧✿ β= ✽.❢ π ✷ .❣ ✱
♦♥❞❡
♥=✷❡♠=✺
❋ór♠✉❧❛ ❞❡ ❍❛③❡♥✲❲✐❧❧✐❛♥s β = ❈✶✵✶,,✻✹
✽✺ ✱ ♦♥❞❡
♥ = ✶, ✽✺ ❡ ♠ = ✹, ✽✼
✻ ✴ ✷✼
P❘❖❇▲❊▼❆ ✸✳✶
❯♠❛ ❛❞✉t♦r❛ ✐♥t❡r❧✐❣❛ ✷ r❡s❡r✈❛tór✐♦s ❝✉❥❛ ❞✐❢❡r❡♥ç❛ ❞❡ ♥í✈❡❧ é ✶✺✱✵ ♠✱
❝♦♥❢♦r♠❡ ♠♦str❛ ❛ ✜❣✉r❛ ❛❜❛✐①♦✳ ❖s t✉❜♦s sã♦ ❞❡ ❋❡rr♦ ❋✉♥❞✐❞♦
✭❋❡❋♦✮ ✲ ❈ = ✶✸✵✳ ❉❡s❝♦♥s✐❞❡r❡ ❛s ♣❡r❞❛s ❞❡ ❝❛r❣❛ ❧♦③❛❧✐③❛❞❛s ❡
❝❛❧❝✉❧❡ ❛ ✈❛③ã♦ ❡s❝♦❛❞❛ ❡♥tr❡ ♦s r❡s❡r✈❛tór✐♦s✳
✼