August 2009

Heat Transfer

What metals should be used in critical service heat exchangers?

Here are important guidelines when considering titanium for exchanger construction

Pramanik, R., Consolidated Contractors Co.

  In heat exchanger applications, titanium and its alloys are increasingly replacing copper-nickel alloys as construction materials for seawater service. Titanium (Ti) offers increased resistance to almost all forms of seawater corrosion, lower density, ability to withstand higher temperatures and advanced manufacturing technology. However, some specific issues related to the design and fabrication of Ti-based shell-and-tube heat exchangers have surfaced (Fig. 1).  Fig. 1    Heat exchangers are constructed to handle sever conditions with different heat-transfer requirements and footprint needs. The presented strategies will focus on develop

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