Filter
Top Products
Rosemount Model 8800C Vortex Flowmeter with FOUNDATION
TM
Fieldbus
9-10
Example 2 (SI Units)
In this application, an input frequency of 650.00 Hz represents a flow
rate of 3,446.4 kg/hr.
Given:
• M = mass flow rate
• F = frequency: 650.00 Hz
• K = K-factor (compensated): 10.715 (via fieldbus configuration
tool)
•C
x
= C
16
•C
16
= C
11
/ρ (from Table 9-1 on page 9-6)
• ρ = density: 4.169 lb/m
3
(operating)
Other Conditions:
• Fluid = saturated steam
• Line size = 80 mm
• Line pressure = 700 kPag
• URV = 3,600 kg/h
• LRV = 0 kg/h
• Operating temperature = 170 °C
• Viscosity = 0.015 cp
Equation:
Calculations:
M
F
KC
x
×
---------------
=
M
650.00
10.715 C
16
×
----------------------------
=
M
650.00
10.715 C
11
⁄()×
---------------------------------------
=
M
650.00
10.715 0.733811 4.169
⁄()×
----------------------------------------------------------
=
M
650.00
10.715 0.017602
×
--------------------------------------
=
M 3,446.4 kg/h
=