Hardy Cross.xlsx

	B	C	D	E	F	G	H	I	J	K	L	M	N	P	Q	R	S
1	This spreadsheet is locked for editing but you can download your own copy by going to 'File', 'Download', and choosing 'Microsoft Excel'
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3	How to use the spreadsheet: Visit this link - https://www.h2xengineering.com/post/hardy-cross-method-sizing-a-ring-main-free-spreadsheet
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5	6	l/s				7	l/s		1st Trial
6	C			30	m		D
7									Pipe	Length	Q	hf=Length*Q^2 (anti clockwise flow is negative)	2LengthQ
8									AB	10	14.5	2102.5	290	DeltaQ=	-2256.25	=	-1.953463203
9									BC	15	9.5	1353.75	285		1155
10									CD	30	3.5	367.5	210
11									DE	20	3.5	-245	140
12	15						20	m	EA	10	11.5	-1322.5	230
13	m											2256.25	1155
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15									2nd Trial
16				A
17									Pipe	Length	Q	hf=Length*Q^2 (anti clockwise flow is negative)	2LengthQ
18	B	10	m		10	m	E		AB	10	12.5465368	1574.155856	250.9307359	DeltaQ=	-95.40046218	=	-0.09022797738
19	5	l/s				8	l/s		BC	15	7.546536797	854.2532643	226.3961039		1057.32684
20									CD	30	1.546536797	71.75328189	92.79220779
21									DE	20	5.453463203	-594.8052182	218.1385281
22		Ring Main Inlet							EA	10	13.4534632	-1809.956722	269.0692641
23												95.40046218	1057.32684
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