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Persamaan Kontinuitas

Persamaan Kontinuitas. TUGAS MEKANIKA FLUIDA. Nama : Nadira Sylviana Devi Nim : 20110110073 Kelas : Teknik Sipil B.

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Persamaan Kontinuitas

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  1. Persamaan Kontinuitas TUGAS MEKANIKA FLUIDA Nama : Nadira Sylviana Devi Nim : 20110110073 Kelas : Teknik Sipil B

  2. 1. Sebuah pipa dengan diameter 12 cm ujungnya menyempit dengan diameter 8 cm.Jika kecepatan aliran dibagian pipa yang berdiameter besar 10 cm/s, kecepatan diujung yang kecil adalah? Jawabannya : Diket; D1=12cm  r1=6cm D2=8cm  r2=4cm V1=10cm/s ditanyakan; V2? Jawab ; Krn penampang berbentuk lingkaran maka luas penampang sama dengan luas lingkaran A1=r²=3,14.6²=113,04cm² A2=r²=3,14.4²==50,24cm² A1.V1=A2.V2 113,04.10=50,24.v2 V2=1130,4 / 50,24 V2=22.5 cm/s

  3. 2. Besar debit dari suatu aliran air yang melalui sebuah pipa berdiameter 4 cm dengan kecepatan rata-rata 4 m/s! Jawabannya; Diket; D=4cm  =0.04 m r =0.02 m V= 4m/s Ditanya; Debit( Q)=? jawab;; A=Luas lingkaran A= r²=3,14.(0.02)²=0.001256 m² Q=A.v =0.001256 x 4 =0.005024 m³/s =5,024x10–³ m³/s

  4. 3. Air mengalir melalui pipa derdiameter 1.0 m dan kecepatan 1,5 m/s. Hitung debit aliran! Jwabannya; Diket; D=1 m A=¼ d²=¼.3,14.1²=0,785 m² V= 1.5 m/s Ditanya; Q? Jawab; Q=Axv =0,785x1,5 =1.1775 m³/s =1177,5 l/s

  5. TERIMA KASIH

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