Welcome to the THERMODYNE BLOG, today in this article we are going to explore the thickness of insulation and its effect on boiler efficiency and other parameters. Critical thickness of insulation and its significance The information in this article gives a significant collection of data you need to know about the boiler and its performance, the parameter that affects the boiler efficiency . Table of content INTRODUCTION THICKNESS OF INSULATION CRITICAL RADIUS EFFECT ON BOILER EFFIIENCY INSULATING MATERIALS CONCLUSION INTRODUCTION- The thickness up to which heat flow increases and after which heat flow decreases is termed critical thickness . In the case of cylinders and spheres, it is called the critical radius . The critical radius of insulation can be derived depending on the thermal conductivity of the insulation k and the external convection heat ...