Info

NC = noncondensable gas present. V = vacuum.

A = atmospheric pressure.

Dirt (or fouling factor) units are (h ■ ft2 ■ 0F)/Btu.

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.

TABLE 11-4 Typical Overall Heat-Transfer Coefficients in Refinery Service

TABLE 11-4 Typical Overall Heat-Transfer Coefficients in Refinery Service

Fluid

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