The important information in this chapter is summarized below.
Thermal Stress Summary
Two types of stress that can be caused by thermal shock are:
Causes of thermal shock include:
Nonuniform heating (or cooling) of a uniform material
Uniform heating (or cooling) of a nonuniform material
Thermal shock (stress) on a material, can be calculated using Hooke's Law from
the following equation. It can lead to the failure of a vessel.
Thermal stress is a major concern due to the magnitude of the stresses involved
with rapid heating (or cooling).
Operational limits to reduce the severity of thermal shock include:
Heatup and cooldown rate limits
Temperature limits for placing systems into operation
Specific temperatures for specific pressures for system operation