The main waterline into a tall building has a pressure of 90 psia at 16 ft elevation below groun

step 1 So if we want to ensure that the water line of the top of this building has pressure of 30 p s I

The main waterline into a tall building has a pressure of 90...

The main waterline into a tall building has a pressure of 90 psia at $16 \mathrm{ft}$ elevation below ground level. How much extra pressure does a pump need to add to ensure a waterline pressure of 30 psia at the top floor $450 \mathrm{ft}$ above ground?

Labs

Want to see this concept in action?

NEW

Explore this concept interactively to see how it behaves as you change inputs.

View Labs

Key Concepts

Hydrostatic Pressure

Hydrostatic pressure is the pressure in a fluid at rest created by the weight of the fluid above a given point. This concept is fundamental in understanding how pressure changes with depth in a fluid, as the pressure increases linearly with the vertical distance due to gravity.

Pressure Head

Pressure head represents the height of a fluid column that corresponds to a specific pressure. It is used to convert differences in elevation directly into pressure differences, which is especially helpful for analyzing the performance of pumping systems and ensuring reliable fluid distribution over vertical distances.

Gauge Pressure versus Absolute Pressure

Gauge pressure is the measurement of pressure relative to the ambient atmospheric pressure, while absolute pressure is measured relative to a perfect vacuum. Understanding the difference between these two is essential when calculating and comparing pressure values in fluid systems.

Pump Head Requirement

Pump head requirement refers to the additional pressure a pump must provide to overcome elevation differences and any associated losses within a system. This concept is critical in determining how much extra energy is needed to ensure enough pressure is delivered at higher elevations or distant points in a distribution network.

Transcript

Please give Ace some feedback