Section 5 provides the "temperature rise" formulas. Ensure your CFD (Computational Fluid Dynamics) simulation meets the new altitude de-rating criteria (Section 5.3.2 in the PDF).
When you finally open the , you will notice a modular structure designed for quick reference: gr-63-core issue 5 pdf
: Resistance to airborne particles and corrosive gases. Section 5 provides the "temperature rise" formulas