Furnaces & Fired Heaters


This introduction to Fired Heater Design is presented to provide an overview of the considerations and methods used in the thermal and mechanical design of furnaces and fired heaters for the Refining & Petrochemical Industry.

The formulas and correlations presented herein are all in the public domain and are to be used only as a learning tool. You may copy these documents and the javascripts for non-commercial use privately or within your organization. You agree that any copies of this material will retain all copyright and other proprietary notices contained herein.

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This publication is provided as is, without any warranty of any kind, either expressed or implied, including, but not limited to, the implied warranties of fitness for a particular purpose, or non-infringement.

The formulas, correlations, and methods presented herein should not be considered as being recommended by or used by the sponsors of this site. The purpose of this site is educational and the methods may or may not be suitable for actual design of equipment. Only a fired heater design engineer is qualified to decide if a calculation or procedure is correct for an application.