centrifugal pump input power formula|power required by pump formula : importers Note : 1000 kg/m3 = 1 kg/dm3 Click Here Related Article: Pump Vapour pressure calculation | Water Vapour Pressure Table at Different temperatures Classification of pumps | Types of pumps and their working principles Unit Conversion Factors and Tables for … See more Horizontal End Suction Centrifugal Pump Flow(Q): 2-1100 m³/h Head(H): 2-152m Rated speed: 1450~2900 rpm (50HZ), 1750~3500 rpm (60HZ) Rated temperature: -10 Celsius to 105 Celsius
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AMT High Head End Suction Centrifugal pumps are designed for continuous-duty OEM, Industrial/Commercial and processing applications including circulation, .
Centrifugal pumps are widely used in various industries for transporting fluids by converting mechanical energy into hydraulic energy. Understanding the input power required for centrifugal pumps is crucial in determining their efficiency and performance. The input power for a centrifugal pump can be calculated using the formula:
The work performed by the pump is equal to the weight of liquid pumped in Unit time multiplied by total Head in meters. However the pump capacity in M3/hr and liquid specific gravity are used rather than weight of liquid pumped for work done by the pump. The input power “P” of a pump is the mechanical power
\[ P_{in} = \rho g Q H \left( \frac{1}{\eta} \right) \]
Where:
- \( P_{in} \) = Input power (W)
- \( \rho \) = Density of the fluid (kg/m³)
- \( g \) = Acceleration due to gravity (m/s²)
- \( Q \) = Flow rate (m³/s)
- \( H \) = Total head (m)
- \( \eta \) = Overall efficiency of the pump
The specific speed “Nq” is a dimensionless parameter derived from a dimensional analysis that allows for the comparison of impellers of various pump sizes, even when operating under similar flow rate conditions. The specific speed is calculated using the formula:
\[ Nq = \frac{N \sqrt{Q}}{H^{3/4}} \]
Where:
- \( N \) = Pump speed (rpm)
- \( Q \) = Flow rate (m³/s)
- \( H \) = Total head (m)
Centrifugal pumps come in various sizes and configurations, each designed for specific applications and operating conditions. Selecting the right centrifugal pump involves considering factors such as flow rate, total head, efficiency, and specific speed. Using online calculators and formulas can help in determining the power requirements and selecting the most suitable pump for a given application.
The specific speed “Nq” is a parameter derived from a dimensional analysis which allows a comparison of impellers of various pump sizes even when their operating similar Q
Goulds 3BF1JBA0, Centrifugal Pump, Series 3656 S, 5 HP, 230/460 Volts, 3 Phase, 1-1/2" NPT Discharge, 3500 RPM, Bronze Fitted
centrifugal pump input power formula|power required by pump formula