TY - JOUR TI - Thermal impedance estimations by semi-derivatives and semi-integrals: 1-D semi-infinite cases AU - Hristov Jordan Y AU - El Ganaoui Mohammed JN - Thermal Science PY - 2013 VL - 17 IS - 2 SP - 581 EP - 589 PT - Article AB - Simple 1-D semi-infinite heat conduction problems enable to demonstrate the potential of the fractional calculus in determination of transient thermal impedances under various boundary conditions imposed at the interface (x=0). The approach is purely analytic and very effective because it uses only simple semi-derivatives (half-time) and semi-integrals and avoids development of entire domain solutions. 0x=