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1. Heat Exchanger Technology, LLC Cooling Viscous Fluids with Forced Convective Heat Transfer using fin tubes April 2010
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3. Heat Exchanger Technology, LLC Viscous Fluids Definition of Viscosity Viscosity: The tangential force required to move one horizontal plane with respect to the other at one unit velocity when maintained a unit distance apart by the fluid The sheering stress between layers of a non-turbulent fluid moving in straight parallel lines can be defined as: Newton’s Law of Friction
4. Heat Exchanger Technology, LLC Viscous Fluids Definition of Laminar Laminar flow generally happens when dealing with small pipes and low flow velocities. Laminar flow can be regarded as a series of liquid cylinders in the pipe, where the innermost parts flow the fastest, and the cylinder touching the pipe isn't moving at all. The Reynolds number is important in analyzing any type of flow when there is substantial velocity gradient (i.e. shear.) It indicates the relative significance of the viscous effect compared to the inertia effect. The Reynolds number is proportional to inertial force divided by viscous force . The flow is laminar when Re < 2300 transient when 2300 < Re < 4000 turbulent when 4000 < Re
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7. Heat Exchanger Technology, LLC Testing Process Precision: Temperature +/- .1F Pressure 2% Flow 1% Regression Error .02%
12. Heat Exchanger Technology, LLC Improvement on Prior Art Test Results Modified Ribbon Wire Spring Ribbon Film Coefficient Pressure Drop Thermal Efficiency
20. Heat Exchanger Technology, LLC Consumer Benefits TM Up to 50% less foot print Up to 50% less energy required Greater than 50% less noise pollution SpiralX are removable Minimum Fouling Can be changed for changing conditons
21. Heat Exchanger Technology, LLC Going Forward TM Continue to collect data for Viscous Fluids Develop data for 5/8” and ¾” tubes Develop SpiralX for low pressure air Develop SpiralX for Natural Gas Services
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