Centrifugal Pump Curves - Performance and Characteristics

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Learn about four types of curves that use to look at various pump parameters. And also about the pump family curve used in pump selection.
1. Head Vs. Flow Curve (H-Q Curve). 2. Efficiency Curve. 3. Power / Energy Curve. 4. NPSHR curve and 5. Pump Family Curve
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00:00 Introduction
01:04 Head Vs. Flow Curve (H-Q Curve for Centrifugal Pump)
02:18 Efficiency curve for pump performance testing
03:35 Power or energy curve for Centrifugal Pump
04:05 NPSH required curve for Pump
04:31 Centrifugal Pump overall performance curves
05:01 Family Curve for Pump selection
#hardhatengineer #Pump #Inspection

Опубликовано:

5 авг 2024

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Комментарии : 34

@HardHatEngineer Год назад

Test Your Self, Take This Short Quiz of 10 Questions on Pump - learn.hardhatengineer.com/ytpump

@vickyd1079 3 месяца назад

Sir I want to calculate the head range of pump so how can I calculate the head range of both submersible and centrifugal pump

@vickyd1079 3 месяца назад

As I have graph of Head vs discharge and input Power vs discharge....

@naveennair1133 Год назад

Thank you sir 🎉

@grandhivenkatachalapathira1588 Год назад

Nice one. Please make a video on reciprocating pump curves brother

@RR-om4rr 5 месяцев назад

Why efficiency decrease after reaching maximum efficiency

@shivasmart967 2 года назад

tq sir

@phakyou 2 месяца назад

Why does head vs flow curve contradict with the equation Q=Cd×A×sqrt(2g)h^3/2?

@tringuyen1979 3 года назад

Thank you for your dedicated video! May I confirm my understanding: the power perfomance curve and the power in pump family curve are about the mechanical power (shaft pump power)?

@HardHatEngineer 3 года назад

Yes, correct

@tringuyen1979 3 года назад

@@HardHatEngineer Thank you Sir! I have another question: In some hydraulic calculation documents, I found 2 different values of efficiency: estimated and corrected. How can we get those values? I guess the corrected efficiency is got after we have already chosen the pump, and calculated by hydraulic power/mechanical power. Am I correct? How about the estimated one?

@mangam6369 3 года назад

Brilliant just please could you explain how the head is against the flow rate however when we need to increase the flow rate we will add a more stages

@HardHatEngineer 3 года назад

More stage will not add extra flow. It will increase the head.

@leonelbinungcal4065 2 года назад

Where can I get these charts that will correspond to my pump's brand and specification?

@HardHatEngineer 2 года назад

You have to contact pump manufacturer.

@dheyaalgallaf6060 2 года назад

How to accomdate viscosity impact on pump curve in design, while pump's curve from vendor is for water?

@HardHatEngineer 2 года назад

Vendor will give you chart for correlation.

@binods6216 2 года назад

please help me with formulas to find efficiency

@jodymuniz8555 Год назад

Can you please provide me the link to take the course advertised for Real PLant Examples ??

@HardHatEngineer Год назад

Hi, here is the link - courses.hardhatengineer.com/courses/rotating-equipment-bundle-4-in-1

@vishnuvardhanreddy709 3 года назад

SIR CAN U GIVE A CLASSES FOR MRPL EXAM

@HardHatEngineer 3 года назад

Not available with me

@AxatS Год назад

At 6:03 Sir, you said u sould maintain more than 9 ft of head to avoid cavitation!! Don't think you so sir, it should be below 9 ft and not more than this to avoid cavitation ?