Pumps

Piping systems and pumps - centrifugal pumps, displacement pumps - cavitation, viscosity, head and pressure, power consumption and more

Sponsored Links

Alternating Pumps

Secure the system and achieve equal wear by alternate pumps in parallel

Best Efficiency Point - BEP

Maximum designed pump efficiency 

Cavitation - an Introduction

Cavitation occurs in a fluid flow system when the local static pressure is below the vapor pressure.

Centrifugal Pump Speed-Torque Curve

Centrifugal pumps characteristics - speed torque curve

Centrifugal Pumps

An introduction to Centrifugal Pumps

Centrifugal Pumps and Standards

Centrifugal pumps design and dimensions standards

Centrifugal Pumps and Viscosity

When a liquid flow through a pump, hydrodynamic losses depends on fluid viscosity

Classifications of Pumps

Selecting between Centrifugal Pumps and Positive Displacement Pumps

Condensate Pumping

High temperatures and the danger of impeller cavitation is the major challenge of condensate pumping

Converting Pump Head to Pressure

Converting head (ft or m) to pressure (psi or bar, kg/cm2) and vice versa

Discharge Regulation of Centrifugal Pumps

Adapting pump capacities to process demand

Sponsored Links

Dynamic, Absolute and Kinematic Viscosity

An introduction to dynamic, absolute and kinematic viscosity and how to convert between CentiStokes (cSt), CentiPoises (cP), Saybolt Universal Seconds (SSU), degree Engler and more

Equation of Mechanical Energy

The equation of mechanical energy in terms of Energy per Unit Mass, Energy per Unit Volume and Energy per Unit Weight involving head

Flow Units Converter

Convert between common used volume flow units like gpm, liter/sec, cfm, m3/h and more - online flow unit converter

Head Rise and the Energy Equation for a Pump or a Fan

The energy equation can be used to calculate the actual head rise in a pump or fan

Horsepower Estimation for Pumps, Fans and Turbines

A definition of British Horse Power for pumps, fans and turbines and how to convert to other common units

NPSH - Net Positive Suction Head

A definition and an introduction to Net Positive Suction Head - NPSH

Online Pressure Units Converter

Convert between common pressure units like Pa,  bar, atmosphere, pound square feet, psi and more - with converting tables

Positive Displacement Pumps

An introduction tutorial to the basic operating principles of positive displacement pumps

Power Gained by Fluid from Pumps or Fans

The power gained by fluid from operating pumps or fans

Pressure to Head Unit Converter

Convert between common units for pressure and head - lb/in2, atm, inch mercury, bars, Pa and more

Sponsored Links

Pump Affinity Laws

Turbo machines affinity laws are used to calculate volume capacity, head or power consumption, when speed - rpm, or wheel diameters are changed for centrifugal pumps

Pump and Fan Efficiency

The overall pump and fan efficiency is the ratio of power actually gained by the fluid - to the shaft power supplied

Pump Power Calculator

Calculate pump hydraulic and shaft power 

Pumping Boiling Liquids - Delivery Flow Velocities

Recommended flow velocity required on the delivery side of the pump in systems with boiling liquids

Pumping Light Oils - Delivery Flow Velocities

Recommended flow velocity required for light oil systems on the delivery side of the pump

Pumping Water - Horsepower Requirements

Horsepower requirements pumping water

Pumps in Parallel or Serial Connection

For pumps in serial - add heads, for pumps in parallel - add flowrates

Pumps, Compressors, Blowers and Fans

Comparing pumps, compressors, blowers and fans

Recommended Delivery Flow Velocity of Viscous Liquids

Normal flow velocities on the delivery side of the pump in viscous systems

Recommended Suction Flow Velocity for Boiling Fluids

Recommended flow velocity for the pump suction side

Recommended Suction Flow Velocity for Light Oils

Recommended flow velocity for the pump suction side

Recommended Suction Flow Velocity of Viscous Fluids

Recommended suction flow velocity of viscous fluids

Specific Speed - Pumps

Specific speed may be determined independent of the pump size

Specific Suction Speed for Pumps

Specific Suction Speed may be used to determine what general pump design to use for maximum efficiency

Specific Work of Turbo Machines - Pumps, Compressors and Fans

Specific work of pumps, fans, compressors and turbines

Stable and Unstable Centrifugal Pumps

Characteristics of stable and unstable centrifugal pumps

Static Pressure and Pressure Head in Fluids

Static pressure and pressure head in fluids

Suction Flow Velocities of Water

Recommended water flow velocity on suction side of pump

Suction Head affected by Altitude

Pump suction head as affected by altitude

System Curve and Pump Performance Curve

To select a proper pump for a particular application it is necessary to utilize the system curve and the pump performance curve

Vapor Pressure

Saturation pressure - exerted by escaping molecules

Viscosity Converting Chart

A converting table between viscosity units as Centiposes, milliPascal, CentiStokes and SSU

Volume Flow and Temperature Rise in Pumps

Calculate temperature rise in pumps

Water Delivery Flow Velocities

Required flow velocities in water transport systems - on the delivery side of the pump

Water Pump Calculator

Calculate Pressure Head, Total Dynamic Head, Bowl Horsepower, Total Trust acting on Driver Thrust Bearing, Field Head, Power Loss due to Shafting, Power Loss in Thrust Bearings, Motor Load, Field Efficiency, Input Horsepower (Power Supplied to Driver) and Shaft Elongation



SketchUp Engineering ToolBox - Online 3D modeling!

SketchUp Engineering ToolBox - enabled for use with the amazing, fun and free Google SketchUp.


Search the ToolBox

Google
Web The Engineering ToolBox

© The Engineering ToolBox 2005

8 5 9


.
Resources, Tools and Basic Information  for Engineering and Design of Technical Applications!

Resources, Tools and Basic Information for Engineering and Design of Technical Applications!

Google
Web The Engineering ToolBox