U Values for Heat Exchangers

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Find free "U" values for heat exchanger design in this post.

What is a "U" value? If you've taken any classes in heat exchange, you probably are familiar with the simplest heat exchanger design equation:

Q (duty) = U (coefficient) * A (area) * deltaTlm * F

Where deltaTlm and F depend on exchanger geometry and are explained in any heat transfer text.

The trickiest part is the "U" value, where you have to find a co-efficient that fits the type of heat exchange you are performing. Here are some free resources I have found, if you don't have a book like Perry's or Rules of Thumb to help you.

U in Heat Exchangers

Collection of U Values

U for Air Cooled Exchangers

Typical Overall Heat Transfer Coefficients

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3 Responses to U Values for Heat Exchangers

  1. CHANDRA says:

    WE NEED THE VALUE FOR U USING CON.SULPHURIC ACID AND WATER AS MEDIA IN SHELL AND TUBE HEAT EXCHANGER.

  2. SHIVENDRA RASTOGI says:

    Thank you for the information on U values. I have used Couldson & Richardson Vol. 6 Chap 12 Table 1.
    Please see you may like it

  3. Pingback: Fouling Factors for Heat Exchanger Design | Smart Process Design

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