Enhancement of Heat Transfer by Ultrasound: Review and Recent Advances

The following paper summarizes some applications of ultrasonic vibrations regarding heat transfer enhancement techniques.  In several industrial applications, the use of ultrasound is often a way to increase productivity in the process itself, but also to take advantage of various subsequent phenomena.  The relevant example brought forward here concerns heat exchangers, where it was found that ultrasound...
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Spectra HE Ultra Dryer Installation Completed

HTI recently completed installation and commissioning of its patented Spectra HE Ultra Drying System on a 1.75m web wide rotogravure press. The acceptance criteria specified a line speed improvement of 25%. Upon installation, line speed improvement as high as 75% was achieved.      ...
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