The ice shear strength test equipment was established in the test section of icing wind tunnel

and used to measure the shear strength between ice and solid wall of airplane. The reasonable range of ice shear strength was obtained. The ice shear strength measurement was implemented in test section of 0.3 m×0.2 m icing wind tunnel. The influences of icing cloud parameters on the ice shear strength between ice and solid wall were obtained. Research showed that the maximum value of ice shear strength appeared when the icing environmental temperature was between -15 ℃ and -10 ℃. The higher airflow speed indicated the larger impact force of droplets on solid wall. The gap among droplets was easier to be filled in. Thus

the ice shear strength was increased. The minimum value of ice shear strength happened when the mean volume diameter (MVD) of droplets was near 35 μm. The ice became compact and the gap among droplets was smaller along with the decrease of MVD. And the droplets easily spread out and were difficult to be frozen immediately. The ice shear strength increased due to the filling of gap among droplets.