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Fluid Flow Calculations

Piping systems

Pumps

Compressors


Subsite content for air properties

PIPING SYSTEMS

Pressure drop of key piping components (equivalent length)

Recommended equivalent length of common valves and other piping components

Pressure drop of key piping components (singularity coefficient) in turbulent flow

Recommended K friction coefficients of common valves and other piping components

Pressure drop of key piping components (singularity coefficient) in laminar flow

Recommended K friction coefficients of common valves and other piping components for LAMINAR flow

Partially filled pipe

Volume of liquid in a partially filled pipe

Sonic velocity

Sonic velocity definition and calculation

Valves types

Introduction to valves types commonly used in Process Engineering

Valves Cv

Recommended flow coefficients for common process valves

Valves Capacity

Calculation of valves flow capacities

Valves characteristics

Introduction to the different types of valves characteristics

Control valve sizing for gases

Calculation of control valves for service with gases

Pressure safety valve sizing

Calculation of pressure safety valve sizing

Hydrostatic

Calculation of hydrostatic pressure

Toricelli formula

Calculation with Toricelli formula

Reynolds number

Calculation of Reynolds number

Hydraulic Diameter

Calculation of hydraulic diameter

Friction factor

Introduction to friction factor for pressure drop calculation

Fanning and Moody friction factors

Make the difference between Fanning and Moody's friction factors

Friction factor correlation (Colebrook)

Calculation of the friction factor by the correlation of Colebrook

Friction factor correlation (Churchill)

Calculation of the friction factor by the explicit correlation of Churchill

Pressure drop calculation

Calculation of the pressure drop through a pipe for a single phase flow

Fluid velocity in pipes, calculation and recommendation

Recommended velocity to in pipes

Flow regimes

The different flow regimes in pipes as a function of Reynolds number

Orifice calculation

Calculation of orifice, flow capacity and pressure drop

PUMPS

Performance characteristics

Introduction to performance characteristics charts of pumps and how to use them

Performance characteristics changes

How performance of the pump changes depending on the circuit it is connected to

Efficiency

Determine efficiency of pumps, use efficiency to calculate pump power...etc...

Power Requirements

Calculation of the power required for a pump for a give duty

Head

Introduction to pump head, determine the pump head

NPSH

Introduction to pump NPSH, determine the pump NPSH, design to avoid cavitation

Cavitation

Introduction to pump cavitation, why it happens and how to avoid it

Classification of pumps and area of use

Selecting the right pump type and chose in between centrifugal and positive displacement pump

Pump head and pressure

Converting pump head to pressure and pressure to pump head

Temperature rise in pumps

Calculation of the temperature rise in a pump

Parallel or Series operation

Head and flowrate calculations for pumps in parallel or series

Pneumatic transport and conveying – Types of pneumatic transport

Dilute phase and dense phase pneumatic conveying line

Pneumatic transport and conveying – Recommended transport velocity

Recommended velocity to transport solids in pneumatic transport lines

COMPRESSORS

Reciprocating compressor capacity

Calculation of the capacity of reciprocating compressors

Temperature rise

Calculation of the temperature increase due to compression

Power

Calculation of the power required for a given compressor duty

Compression ratio

Definition and calculation of the compression ratio