Htri Heat Exchanger Design -

Callahan handed her a fresh coffee. “Welcome to the clan, kid. You just made the refinery a little richer—and the operators’ lives a little less hellish.”

First simulation ran hot. Not good hot— danger hot. The outlet temperature of the crude was 10°C below target. She checked the stream data: shell-side fluid (hot diesel) at 300°C, tube-side fluid (cold crude) at 40°C. Pressure drops were within limits, but the overall heat transfer coefficient, U , was a pathetic 180 W/m²·K. The required was 280. htri heat exchanger design

Elena sighed. “What if I change baffle cut from 25% to 35%?” That would reduce cross-flow velocity, lowering pressure drop but also reducing heat transfer. She ran the parametric study in HTRI’s built-in optimizer. Callahan handed her a fresh coffee

But a new warning blinked red: Vibration potential. Bundle natural frequency close to vortex shedding frequency. Not good hot— danger hot