Stefan Heimann 14. April 2012 1 von 19 Hydrotechnischer Rechenschieber zur Hydrotechnischer Rechenschieber zur Abflussberechnung Abflussberechnung
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PowerPoint-PräsentationkSt = Stricklerbeiwert (m1/3/s)
n = 1m1/3/s /kSt = 0,03
Ablesebeispiel – Tarrant Hydraulic Slide Rule
*
*
U = p D
D
h=1,5m
b = 7,5m
A=14,6m²
h=1,5m
b = 7,5m
B=7,5m
i=0,0002
v=0,51m/s
R=1,13m
n=0,03
Ablesebeispiel Q = ßQ b8/3 (1/n)IE1/2
i=0,0002
v=0,51m/s
B=7,5m
n=0,03
d
RTeil = dRd/4
d=h/d
QTeil = dω p /45/3 (1/0,023) 0,608/3 0,0021/2 = 0,013 m³/s
h=42cm
h
b
h=1,1m
b=2,1m
n = 1/kSt = 0,02 s/m1/3
h=1,5m
b = 7,5m
h=1,5m
b = 7,5m
h=1,5m
b = 7,5m
n = 1m1/3/s /kSt = 0,03
Ablesebeispiel – Tarrant Hydraulic Slide Rule
*
*
U = p D
D
h=1,5m
b = 7,5m
A=14,6m²
h=1,5m
b = 7,5m
B=7,5m
i=0,0002
v=0,51m/s
R=1,13m
n=0,03
Ablesebeispiel Q = ßQ b8/3 (1/n)IE1/2
i=0,0002
v=0,51m/s
B=7,5m
n=0,03
d
RTeil = dRd/4
d=h/d
QTeil = dω p /45/3 (1/0,023) 0,608/3 0,0021/2 = 0,013 m³/s
h=42cm
h
b
h=1,1m
b=2,1m
n = 1/kSt = 0,02 s/m1/3
h=1,5m
b = 7,5m
h=1,5m
b = 7,5m
h=1,5m
b = 7,5m
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