Abstract: The system comprises at least one evaporator device arranged around a tube inside which a hot fluid flows and, for each evaporator device, a respective conduit connected at its opposite ends to the evaporator device so as to form with the latter a closed circuit containing a two-phase fluid. Each evaporator device comprises a casing, having an inner wall in contact with the respective tube and an outer wall enclosing a cavity with the inner wall, and a separating member of porous material arranged inside the casing so as to divide radially the cavity into an inner cavity, extending between the inner wall and the separating member, and an outer cavity extending between the separating member and the outer wall.

Abstract: Nacelles are provided having a tubular casing, open at its opposite axial ends, with an inner wall and an outer wall which are connected to each other at the front end along a leading edge and at the rear end along a trailing edge and which enclose, together with the leading edge and the trailing edge, a cavity. To prevent the formation of ice at least in the zone of the leading edge of the nacelle, a separating member made of porous material is arranged inside the cavity to divide the cavity into an inner cavity, between the inner wall and the porous separating member, and an outer cavity, between the outer wall and the porous separating member, and to put the inner cavity in fluid communication with the outer cavity only in a front zone of the cavity in contact with the leading edge, and a two-phase fluid is contained in the cavity.

Abstract: Nacelles are provided having a tubular casing, open at its opposite axial ends, with an inner wall and an outer wall which are connected to each other at the front end along a leading edge and at the rear end along a trailing edge and which enclose, together with the leading edge and the trailing edge, a cavity. To prevent the formation of ice at least in the zone of the leading edge of the nacelle, a separating member made of porous material is arranged inside the cavity to divide the cavity into an inner cavity, between the inner wall and the porous separating member, and an outer cavity, between the outer wall and the porous separating member, and to put the inner cavity in fluid communication with the outer cavity only in a front zone of the cavity in contact with the leading edge, and a two-phase fluid is contained in the cavity.

Abstract: The system comprises at least one evaporator device arranged around a tube inside which a hot fluid flows and, for each evaporator device, a respective conduit connected at its opposite ends to the evaporator device so as to form with the latter a closed circuit containing a two-phase fluid. Each evaporator device comprises a casing, having an inner wall in contact with the respective tube and an outer wall enclosing a cavity with the inner wall, and a separating member of porous material arranged inside the casing so as to divide radially the cavity into an inner cavity, extending between the inner wall and the separating member, and an outer cavity extending between the separating member and the outer wall.