Baffles with holes in different diameters (or HDD baffles) and conically-corrugated tubes are respectively longitudinal flow baffle and high-efficiency heat exchange tubes proposed by the author. In this paper. vibrations of tube bundles with HDD baffles and fluid flow as well as heat transfer inside conically-corrugated tubes were numerically simulated. and the heat exchanger with co... https://www.diegojavierfares.com/bargain-Merlin-the-Magical-Wizard-Boys-Costume-special-save/