Personally If was going to do it, I would find a sub freezing ambient condition with a wind tunnel,cold soak the plane overnight,, blow on it for a half hour to get everything cold and sticky........ get some fire hoses....that should do it....
I doubt it very much - you won't get anything like representative ice build up from a hose onto a cold surface. Ice shape is critical, and you'll only get the right ice shape by genuinely representative icing conditions.
G