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Fouling factor, water side 0.0002; heating or cooling streams are shown at top of columns as C, D, F, G, etc.; to convert British thermal units per hour-square foot-degrees Fahrenheit to joules per square meter-second-kelvins, multiply by 5.6783; to convert hours per square foot-degree Fahrenheit-British thermal units to square meters per second-kelvin-joules, multiply by 0.1761. *Cooler, water-cooled, rates are about 5 percent lower. fWith heavy gas oil (H) as heating medium, rates are about 5 percent lower.

TABLE 11-5 Overall Coefficients for Air-Cooled Exchangers on Bare-Tube Basis

TABLE 11-5 Overall Coefficients for Air-Cooled Exchangers on Bare-Tube Basis

Condensing

Coefficient

Liquid cooling

Coefficient

Ammonia

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