A heterogeneous modeling approach for an inclined rotating fixed bed reactor with concentric internal tube is introduced. The novel reactor is designed to intensify the mass transfer of gas-limited heterogeneous catalyzed reactions by intermittent catalyst wetting, which is enabled exposing the packed bed to rotation and inclination. A simulation study for the hydrogenation of alpha-methylstyrene is presented. In particular, the influence of period length and different wetting-draining cycles on the space-time yield of the reactor is analyzed.