Abstract
In engineering, the phenomenon of heat transfer through cylindrical walls and various shells formed by the rotation of flat figures around a fixed axis is often used. Such structural elements are widely used in condensers of steam turbine installations, in the details of the flow part of gas turbines, rocket and aircraft engines. The article describes the solution of the problem of rational choice of thermal insulation material and its geometric characteristics when using thermal insulation to reduce heat losses from cylindrical surfaces. The results of the calculation of the thermal insulation of the pipe are presented graphically. The performed analysis allows us to formulate a generalized conclusion: a rational choice of insulation is possible only if an increase in its thickness is accompanied by an increase in the thermal resistance of the entire model.
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