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Advanced Course in Heat Exchangers: Theory and Practice. ICHMT Symposium.
1981, Dubrovnik, Croatia

DOI: 10.1615/ICHMT.1981.AdvCourseHeatExch


ISBN Print: 978-0-07062-806-9

A Model for Predicting the Steady-state Thermal-hydraulics of the Once-through Power Boilers

pages 747-756
DOI: 10.1615/ICHMT.1981.AdvCourseHeatExch.470
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RESUMO

An analytical model to predict the steady-state water side thermal-hydraulic parameters for the furnace of the once-through forced flow power boilers at subcritical pressure is proposed. The model predicts, at a given heat flux distribution, the pressure drops, the flow-rate distribution in the tube-banks, and the boiling crisis in the ribbed and in the commercially rough tubes of the furnace panels. A set of the model predicted pressure drops shows a fairly good agreement between the calculated and the experimental operative conditions values .

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