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Heat Transfer

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Correcting Improper Performance of Direct Fired Heaters

| By Babak Maghbooli and Afshin Bakhtiari Tarahan Naftoon Arya Engineering Co. Hamidreza Najafi Farayand Sabz Engineering Co.

Occasionally, direct fired heaters that have operated satisfactorily for long periods of time subsequent to startup develop operating problems that do not allow for operation at design conditions, as specified in the manufacturers API data sheets for…