。Plan execution -Assumptions ·Steady state All the electric energy dissipated in the heat pad leaves its surface(no energy leaves from the back side) Negligible Radiation Uniform surface temperature,heat transfer coefficient and constant ambient temperature• Plan execution – Assumptions • Steady state • All the electric energy dissipated in the heat pad leaves its surface (no energy leaves from the back side) • Negligible Radiation • Uniform surface temperature, heat transfer coefficient and constant ambient temperature