ANSI Z308.1-1998 – Minimum requirements for workplace ...

11-42 Ethylene glycol is heated from 20°C to 40°C at a rate of 1.0 kg/s in a horizontal copper tube (k = 386 W/m(K) with an inner diameter of 2.0 cm and an outer diameter of 2.5 cm. A saturated vapor (Tg = 110°C) condenses on the outside-tube surface with the heat transfer coefficient (in kW/m2 (K) given by 9.2/(Tg - Tw)0.25, where Tw is the ... ................
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