Help with water pump calculations

AI Thread Summary
To achieve a pressure of 4 bars at the outlet of a 30-meter hose with a diameter of 2.5 inches, calculations must consider the friction loss in the hose. The flow rate of the pump is 1000 GPM, and the friction factor for the rubber hose can be found in relevant resources, such as the NFPA's PDF on fire hose friction loss characteristics. It's essential to account for the hose's length and diameter to determine the required inlet pressure accurately. Understanding the relationship between flow rate, hose characteristics, and pressure loss is crucial for effective pump operation. Proper calculations will ensure the desired pressure is achieved at the outlet.
AdamM
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So i have this Diesel Water pump, i need to achive a pressure of 4 bars at the end of the hose, How to calculate the pressure in inlet to achieve the desired result of 4 bars at outlet.
(Assuming that I'm using a standard hose of length 30metres, with a diameter of 2.5 inches)
Pump FLOW RATE IS Q=1000GPM
 
Engineering news on Phys.org
Goggle: "flowing friction factor for rubber hose" and scroll down to " (pdf) Determination of Fire Hose Friction Loss Characteristics - NFPA
 

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