Steady-State Thermoelastic Analytical Solutions for Insulated Pipelines

Figure 6

Equivalent stress [MPa] along the radius in the case of insulate pipeline subjected to temperature gradient in the steel (a), in the insulate coating (b), and in the polyethylene jacket (c). Case 1: expanded polyurethane, Case 2: laminate glass, and Case 3: syntactic foam.

(a)

(b)

(c)