Bernoulli equation for calculation of water flow

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SUMMARY

The discussion centers on the application of Bernoulli's equation to calculate water flow in a seawater collection system. The equation is applied between two points, with specific parameters such as atmospheric pressure, water height, and pipe diameter (0.315 m). The calculated water velocity at the outlet is 4.10 m/s, leading to a volumetric flow rate of 0.320 m³/s, which converts to 1.152 m³/h. However, participants noted the importance of considering head loss and friction in real scenarios, suggesting that the effective flow rate would be significantly lower, approximately 170 m³/h, when accounting for these factors.

PREREQUISITES
  • Understanding of Bernoulli's equation and its application in fluid mechanics.
  • Knowledge of fluid properties, including density (ρ) and gravitational acceleration (g).
  • Familiarity with concepts of head loss and friction loss in pipes.
  • Basic skills in mathematical calculations involving fluid flow rates and velocities.
NEXT STEPS
  • Study the Darcy-Weisbach equation for calculating head loss in pipes.
  • Learn about the Reynolds number and its significance in determining flow regimes (laminar vs. turbulent).
  • Explore the concept of minor losses in piping systems due to fittings and valves.
  • Investigate the use of flow measurement devices, such as flow meters, in practical applications.
USEFUL FOR

Engineers, fluid mechanics students, and professionals involved in hydraulic design, water resource management, and environmental engineering will benefit from this discussion.

  • #31
gamecult said:
View attachment 325983
This a more clear (I hope) Illustration
Does post #24 help?
 

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