... significantly for all three flow rates due to the drop in pressure. The results obtained from experiment (which can be seen in figure 2) are actually very different to the results obtained from theory. The results obtained from theory are for the ideal static head which was very small whilst with the experiment the variations in static head values were a lot bigger. The change in total head was similar to the change in static head. The total head values obtained were practically identical for all three flow rates, the only significant difference in the total head occurred at the neck of the pipe. This was because the decrease in pressure was different for each flow rate because the water was travelling at different speeds. Conclusions In conclusion the results showed that as the water travelled through the pipe the static head was uniform until it reached the neck of the pipe. When ...

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