The Museum of HP Calculators The Museum of HP Calculators
This program is by Ken Delsnider and is used here by permission.
This program is supplied without representation or warranty of any kind. Ken Delsnider and The Museum of HP Calculators therefore assume no responsibility and shall have no liability, consequential or otherwise, of any kind arising from the use of this program material or any part thereof.
Program Name CHW METRIC
Function Use to solve for any parameter using Hazen Williams formula.
Where:
CHW = Hazen William Coefficient
Q = Flow in cubic meters per sec
D = Diameter in mm
L = Length in meters
HL = Headloss/HGL in meters
00 { 81-Byte Prgm }
01>LBL "CHW"
02 MVAR "Chw"
03 MVAR "Q"
04 MVAR "D-mm"
05 MVAR "LEN"
06 MVAR "HL"
07 RCL "Q"
08 3.588
09 ×
10 RCL "D-mm"
11 1E3
12 ÷
13 2.63
14 yx
15 ÷
16 RCL "Chw"
17 ÷
18 1.85
19 yx
20 RCL "LEN"
21 ×
22 RCL "HL"
23 -
24 END
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