Acoustics and Architecture

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BSAppsMechQ17to18Spreedsheet.xlsx
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Q ṁ Pipe Size DP/m v l Fitting Type Number z 1/2rv2 DP
Pipe Section kW kg/s mm Pa/m m/s m Pa Pa
Flow Pipe work
01-02 80 32 1.5 Pipe Loss
Branch 1
Total Loss
02-03 40 25 8.4 Pipe Loss
Contraction 1
Branch 1 0.63 344 217
Total Loss
03-04 20 0.24 20 280 0.69 13.3 Pipe Loss
Contraction 1
Bends 3 0.92 238 657
Total Loss
Return Pipe work
01-02 80 32 1.5 Pipe Loss
Branch 1
Total Loss
02-03 40 25 8.4 Pipe Loss
Expansion 1
Branch 1
Total Loss
03-04 20 0.24 20 280 0.69 13.3 Pipe Loss
Expansion 1
Bends 3
Balancing Valve 1 12
Total Loss
Flow Temperature 80 °C Total Flow Δp Pa
Return Temperature 60 °C Total Return Δp Pa
Temperature Delta 20 °C Combined Δp Pa
Specific Heat of water 4.2 kJ/kgK