pelimpah
6
PELIMPAH SEGI TIGA waktu = 4.02 detik dik : V1 = 230 cm^3 H0 = V2 = 205 cm^3 H1 = hitung volume rata-rata Vr = v1+v2 = 217.5 cm^3 2 hitung tinggi H2 H2 = H1-H0 = 2.53 mm hitung debit Q= Vr = 54.10448 cm^3/detik t hitung koefisien debit Cd = 15 * Q 8 tan (#/2)*(2*g)^1/2*H2^5/2 = 811.5671641791 8 tan (15) * 450.9733 = 0.83951781 PELIMPAH SEGIEMPAT waktu = 4.28 detik dik : V1 = 265 cm^3 H0 = V2 = 350 cm^3 H1 = hitung volume rata-rata Vr = v1+v2 = 307.5 cm^3 2 hitung tinggi H2 H2 = H1-H0 = 1.69 mm hitung debit Q= Vr = 71.84579 cm^3/detik t hitung koefisien debit Cd = 3 * Q 8 tan (#/2)*(2*g)^1/2*H2^5/2 = 215.5373831776 2*3* = 0.36914059 tabel pengamatan pelimpah segi tiga
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Pelimpah perhitungan
Transcript of pelimpah
PELIMPAH SEGI TIGAwaktu = 4.02 detikdik : V1 = 230 cm^3 H0 =
V2 = 205 cm^3 H1 =
hitung volume rata-rata
Vr =v1+v2
= 217.5 cm^32
hitung tinggi H2H2 = H1-H0 = 2.53 mmhitung debit
Q=Vr
= 54.10448 cm^3/detikt
hitung koefisien debit
Cd =15 * Q
8 tan (#/2)*(2*g)^1/2*H2^5/2
=811.5671641791
8 tan (15) * 450.9733
= 0.83951781
PELIMPAH SEGIEMPATwaktu = 4.28 detikdik : V1 = 265 cm^3 H0 =
V2 = 350 cm^3 H1 =
hitung volume rata-rata
Vr =v1+v2
= 307.5 cm^32
hitung tinggi H2H2 = H1-H0 = 1.69 mmhitung debit
Q=Vr
= 71.84579 cm^3/detikt
hitung koefisien debit
Cd =3 * Q
8 tan (#/2)*(2*g)^1/2*H2^5/2
=215.5373831776
2*3*
= 0.36914059
tabel pengamatan pelimpah segi tiga
debit waktu t(det) Volume(cm^3/det) t1 t2 V1(cm^3) V2(cm^3) Vrata2(cm^3)
Q15.1 5.1 395 380 387.56.1 6.3 490 493 491.57.4 7 500 499 499.5
Q25.2 5.2 820 860 8406.2 6.2 1150 1200 11757.2 7.5 1260 1290 1275
Q35.4 5.5 1480 1490 14856.3 6.2 1630 1628 16297.3 7.2 1850 1775 1812.5
Q45.3 5.5 2160 2180 21706.3 6.3 2230 2295 2262.57.2 7.1 2760 2727.5 2743.75
PELIMPAH SEGI TIGAwaktu = 7.15 detik
dik : V1 = 2760 cm^3 H0 =V2 = 2727.5 cm^3 H1 =
hitung volume rata-rata
Vr =v1+v2
= 2743.75 cm^32
hitung tinggi H2H2 = H1-H0 = 4.96 mmhitung debit
Q=Vr
= 383.7413 cm^3/detikt
hitung koefisien debit
Cd =15 * Q
8 tan (#/2)*(2*g)^1/2*H2^5/2
=5756.1188811189
8 tan (15) * 2426.91
= 1.10645133
tabel pengamatan pelimpah segiempatdebit waktu t(det) Volume
(cm^3/det) t1 t2 V1(cm^3) V2(cm^3) Vrata2(cm^3)
Q15.3 5.2 920 940 9306.4 6.4 1110 1120 11157.2 7.5 1535 1580 1557.5
Q25.2 5.5 970 1100 1035
6 6.3 1125 1485 13057.1 7.1 1600 1163 1381.5
Q35.3 5.3 1700 1800 17506.3 6.5 2250 2300 22757.1 7.1 2330 2730 2530
Q45.3 5.4 1800 1920 18606.1 6 2610 2500 25557.3 7.2 2800 2750 2775
PELIMPAH SEGIEMPATwaktu = 5.25 detik
dik : V1 = 920 cm^3 H0 =V2 = 940 cm^3 H1 =
hitung volume rata-rata
Vr =v1+v2
= 930 cm^32
hitung tinggi H2H2 = H1-H0 = 2.53 mmhitung debit
Q=Vr
= 177.1429 cm^3/detikt
hitung koefisien debit
Cd =3 * Q
2*B*H*(2*g*H2)^1/2
=531.42857142861069.501834063
= 0.49689356
7.72 mm t = 4.02 detik10.25 mm
tan15= 0.26795
7.74 mm t = 4.28 detik9.43 mm
57.58281
H (mm)H0 (mm) H1(mm) H2(mm) t rata2
8.66 13.09 4.435.16.27.2
8.66 13.16 4.55.26.2
7.35
8.66 13.41 4.755.456.257.25
8.66 13.62 4.965.46.3
7.15
8.66 mm t = 7.15 detik13.62 mm
tan15= 0.26795
H (mm)H0 (mm) H1(mm) H2(mm) t rata2
8.2 10.73 2.535.25
6.47.35
8.2 10.84 2.645.356.15
7.1
8.2 11.3 3.15.36.47.1
8.2 11.64 3.445.356.057.25
8.2 mm t = 5.25 detik10.73 mm
tan15= 0.26795
