6.11Flow Compensation Wizard, Continued

Dynamic

Compensation

Equation, continued

Table 18 Primary Flow Elements, Continued

Primary Element

Venturi - Machined Inlet (ASME - ISO)

-Rough Cast Inlet (ASME - ISO)

-Rough Welded sheet-iron inlet (ASME - ISO)

Ellipse® Averaging Pitot Tube

Nozzle (ASME Long Radius)

Venturi Nozzle (ISA inlet)

ISA Nozzle

Leopold Venturi

Gerand Venturi

Universal Venturi Tube

Lo-Loss Tube

Application

Liquids

Liquids

Liquids

Gases, liquids and steam

Liquids

Liquids

Liquids

Liquids

Liquids

Liquids

Liquids

Dynamic

Compensation

Equation

The dynamic compensation flow equation for mass applications is:

Flow = N

Mρ

C Y E d 2

ρ

f

h

 

1

V

 

 

W

which provides compensation dynamically for discharge coefficient, gas expansion factor, thermal expansion factor, density, and viscosity.

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Image 88
Honeywell SMV 3000 user manual Dynamic compensation flow equation for mass applications is, Flow = N