Cover Heated, Open Vessels: Office of Industrial Technologies (OIT) Steam Tip Fact Sheet #19

    Research output: NRELFact Sheet

    Abstract

    Open vessels that contain heated liquids often have a high heat loss due to surface evaporation. Both energy and liquid losses are reduced by covering open vessels with insulated lids. Table 1 provides an estimate of the evaporative heat loss per square foot of uncovered vessel surface area for various water and dry ambient air temperatures. It is assumed that the ambient air is dry with no windcurrents. A fan pulling air over the uncovered tank could more than double the heat losses.
    Original languageAmerican English
    Number of pages2
    StatePublished - 2002

    NREL Publication Number

    • NREL/FS-810-31156

    Other Report Number

    • DOE/GO-102002-1477

    Keywords

    • best practices
    • efficiency
    • energy
    • Office of Industrial Technologies (OIT)
    • open vessels
    • steam

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