US Section E - page 22

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Dr. Eddy diagnoses flow condition.
Using Fluid Characteristic Indication (FCI) technology, Dr. Eddy
displays the condition of the water as it relates to flow efficiency:
laminar flow, transient flow, or turbulent flow. Dr. Eddy has four
scales built into the meter: three scales for FCI and one scale for
flow rate. FCI Scales are selectable and correspond to cooling line
inside diameter:
1
4
”,
3
8
”, or
1
2
”. Flow rate scale can be referenced
quickly for additional functionality. The flow scale displays flow rate
in gallons or liters per minute depending on the model. A dual scale
temperature gauge is standard on all models for process comparison
to the FCI Scales. Dr. Eddy applies the science of heat transfer,
diagnosing the condition of cooling water lines at a glance. Cooling
water capacity can be conserved plant-wide by using the minimum
amount of flow that will produce turbulence on all presses. It may be
possible to delay costly water system upgrades by maximizing
the flow effectivity.
Turbulent Flow Basics
Turbulent water flow is much more efficient at removing heat in
a cooling system than water flowing under laminar conditions.
Once turbulent flow is achieved, increasing the flow rate does not
significantly improve the cooling rate of the system. In molding
applications, many mold operators try to maximize the flow of water
through their cooling systems to ensure turbulent flow. Doing so
increases energy costs for pumping more water than necessary through
the system. This practice may also limit the amount of cooling water
available for cooling additional molds on the same cooling system circuit.
By insuring turbulent flow using FCI Technology, less water can be used
in the molding process, saving precious resources.
U.S. Patent No. 7,549,348
Turbulent Flow
Laminar Flow
53
Threaded
both ends
2.1
38
1.5
38
1.5
71
2.8
95
FLOW
3.75
Linear = mm
inches
Quick
Disconnect
(optional)
Turbulent
Flow Range
Flow
Indicator Ring
Laminar
Flow Range
Thumbwheel
End Caps
(brass or nylon)
Temperature
Gauge
Dr. Eddy™ Flowmeters
1...,12,13,14,15,16,17,18,19,20,21 23,24,25,26,27,28,29,30,31,32,...126
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