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Pump Delivery Flow Velocity Boiling Fluid

Reference data and engineering information about pump delivery flow velocity boiling fluid for fluid mechanics applications.

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Overview

Engineering reference data for Pump Delivery Flow Velocity Boiling Fluid in fluid mechanics.

Key Formulas

Reynolds Number

Re=ρvDμRe = \frac{\rho v D}{\mu}

Ratio of inertial to viscous forces — determines flow regime.

Bernoulli's Equation

P+12ρv2+ρgh=constP + \frac{1}{2}\rho v^2 + \rho g h = \text{const}

Conservation of energy for steady, inviscid, incompressible flow.

Continuity Equation

A1v1=A2v2A_1 v_1 = A_2 v_2

Conservation of mass for incompressible flow.

Darcy-Weisbach

ΔP=fLDρv22\Delta P = f \frac{L}{D} \frac{\rho v^2}{2}

Pressure drop due to friction in a pipe.

Variables

SymbolDescriptionUnit
ReReReynolds number
ρ\rhoFluid densitykg/m³
vvFlow velocitym/s
DDCharacteristic dimensionm
μ\muDynamic viscosityPa·s
PPPressurePa
ffDarcy friction factor

Boiling Liquid Pumping Guidelines

8 rows
Maximum recommended flow velocities for pumping boiling liquids in pipes
Pipe Diameter(in)
Pipe Diameter(mm)
Max Velocity(m/s)
Max Velocity(ft/s)
12513.5
2501.13.6
3751.153.8
41001.254
61501.54.7
82001.755.5
1025026.5
1230026.5

Source: engineeringtoolbox.com

As a rule of thumb, when pumping boiling liquids, adhere to the maximum flow velocities on the delivery side based on pipe diameter. This helps prevent issues such as cavitation, excessive pressure drop, and ensures safe and efficient system operation.

Interactive Charts

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References