How to find the volumetric flow rate?

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SUMMARY

The discussion centers on calculating the volumetric flow rate of a liquid being pumped by a 2kW pump with a density of 820 kg/m³, lifting the liquid 30 meters high. The pressure change is calculated to be 241.3 kPa. Participants express concerns about insufficient variables for a complete solution and discuss the necessary formulas for determining flow rate based on height and pressure changes.

PREREQUISITES
  • Understanding of fluid dynamics principles
  • Familiarity with the Bernoulli equation
  • Knowledge of pressure and flow rate relationships
  • Basic calculations involving work, mass, and height
NEXT STEPS
  • Research the Bernoulli equation and its applications in fluid mechanics
  • Learn how to calculate volumetric flow rate using pressure and height
  • Explore the relationship between pump power and flow rate
  • Investigate the impact of fluid density on flow calculations
USEFUL FOR

Engineers, fluid mechanics students, and anyone involved in pump system design or analysis will benefit from this discussion.

Connor Anderson
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With a given 2kW pump
That pumps a liquid with a density of 820kg/m³ from one tank to another that's 30m higher.
With a calculated change in pressure to be 241.3kpa.
Find the volumetric flow rate.
I feel like there are not enough given variables for this problem. What do you think?
 
Physics news on Phys.org
What additional information do you think you need? What formula would try to use?
 
Welcome to PF:
Just thinking about the height for now...
How much work to lift a mass m of water up a height h?
 

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