Abstract
AbstractChoice of materials for air‐cooled heat exchangers. Air has many advantages as a coolant for industrial processes. It is available in any desired quantity and does not incur costs for supply and disposal. Although air is far less corrosive than water, there are limitations for certain materials and air contaminations. The possibility of using different materials for the process side and the cooling air side, with the latter preferably having an enlarged surface area, can be exploited to advantage to take account of material‐specific properties of the two sides. Process‐dictated limits of optimum surface area increase and temperature‐dictated limits of application and proven fin patterns, are demonstrated. Attention is drawn to actual cases of damage taken from practice and their lessons and also to some unexplained cases.
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