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2 cards from this section. Quick, good the night before a test.
What is the definition of head loss in a pipe?
Think about what happens to energy as fluid moves through a pipe.
What is considered a major loss in a pipe?
Focus on the primary cause of losses in fluid mechanics.
In flow through pipes in series, the discharge is:
Think about how water behaves when pushed through connected tubes.
In a straight pipe, if the diameter increases, the friction loss generally:
Visualize how wider pipes handle flow compared to narrower ones.
A plumbing system consists of three pipes in series with lengths of 30 m, 50 m, and 20 m, and diameters of 0.1 m, 0.15 m, and 0.2 m respectively. The friction factor for all is 0.015. Calculate the total head loss if the velocity of fluid in the system is 2 m/s.
You need to apply the formula individually and account for each section.
Two pipes with different diameters, 0.2 m and 0.1 m, are connected in series. The flow rate is required to be 3 m/s in the larger pipe. What effect will this have on the velocity in the smaller pipe, and how would that affect head loss?
Remember that smaller diameters generally lead to increased speed and, thus, increased friction.
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