Steam generator heat transfer coefficient

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Thermal Considerations in Boiler Tube Failures

Values of Q/ Ao will vary with location in the steam generator from 19,000-31,500 W/M2.0C (6,000-10 000 Btu/ hr-ft2) for a reheater to more than 394,000 W/M20C (125,000 Btu/ hr-ft2) for water wall tubes in the burner area of the furnace. The table below gives the range of heat transfer coefficients …

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