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| ElfinBlock Technology | ||
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ElfinBlock, in it's simplest form, is a multi-tube derivative of
the standard Elfin design, but with
multiple tubes bonded to each fin to form a block-matrix.
ElfinBlock is manufactured using state-of-the-art CNC-controlled
ElfinMaster machinery which swages
fins on to tubes with an interference fit that results in a
high-quality, yet competitively priced finished product. ElfinBlock is unique in many ways but one of the most important, as far as thermal performance and flexibility are concerned, is the ability to incorporate internal extended-surfaces within the base tube itself. Another unique capability is the use of exotic materials, for both the tubes and fins, such as Stainless Steel, Titanium, Hastelloy, Zirconium etc to provide solutions to specific problems The manufacturing method allows hard materials to be used and the precision by which they are placed facilitates the use of advanced fin enhancement technology and designs to be incorporated - no other product of this type can boast such a broad range of attributes. ElfinBlock fins are both flat and consistent. With CNC fin placement to within a few microns, stacked rows align more consistently to reduce pressure drop. Superior performance combined with the ability to incorporate advanced fin enhancement such as vortex generation in the airflow allows greater spacing between fins. |
Physical Characteristics:-
Highly flexible and rugged construction
Bespoke fin and tube profiles
High vibration resistance
High impact resistance
High temperature resistance
Wide range of materials available
Inter-locking fin construction
Integral flow enhancement techniques
From 1 to 36 fins per inch (40 to 1500 fpm)
Unlimited tube wall thicknessPerformance Characteristics:-
Enhanced tube-to-fin heat transfer coefficients
Extremely low pressure drop
High thermal performance |
How are these benefits
achieved?
Fins are precision manufactured to exacting
tolerances, ensuring a good mechanical bond with the base
tube(s) and a streamlined air-on profile
Fins have an integral collar which is designed to
interlock firmly with the adjacent fins
The manufacturing process allows for harder fin
materials than with conventional ribbon-wound tubes, imparting
high strength and impact resistance
Fins can incorporate airflow enhancement
techniques with a low pressure-drop overhead
Tubes can incorporate internal flow turbulation
and/or extended surfaces So what is possible? The Elfin design is inherently flexible and as such, can be configured to a limitless number of advanced derivatives of the basic design. Solutions now exist to inherent heat exchanger problems, with the adaptation of this new technology. |
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