Two-phase expansion device capable of maximizing the amount of movement produced by a two-phase flow

A device for two-phase expansion capable of maximizing the momentum produced by a two-phase flow originating from the expansion of a significant saturation flow rate of a fluid originating from a so-called hot source, the device for two-phase expansion comprising at least:

• one distributor making it possible to distribute said fluid originating from said hot source to a plurality of nozzles for two-phase expansion;
• said plurality of adjacent nozzles for two-phase expansion with substantially parallel axes, each nozzle for two-phase expansion comprising successively at least one converging portion, one neck and one tube and said nozzles for two-phase expansion being arranged so that each receives a portion of said flow originating from said hot source;
• means making it possible to hold said plurality of nozzles for two-phase expansion in place and comprising impervious separating means between said nozzles for two-phase expansion.

A turbine of the “Hero” type, having arms comprising at least one two-phase expansion device at the end of at least one of said arms, wherein said two-phase expansion device comprises at least:

• one distributor making it possible to distribute said fluid originating from said hot source to a plurality of nozzles for two-phase expansion;
• said plurality of adjacent nozzles for two-phase expansion with substantially parallel axes, each nozzle for two-phase expansion comprising successively at least one converging portion, one neck and one tube and said nozzles for two-phase expansion being arranged so that each receives a portion of said flow originating from said hot source;
• means making it possible to hold said plurality of nozzles for two-phase expansion in place and comprising impervious separating means between said nozzles for two-phase expansion.

A turbine of the impulse type, comprising at least one two-phase expansion device used as an injector, wherein said two-phase expansion device comprises at least:

• one distributor making it possible to distribute said fluid originating from said hot source to a plurality of nozzles for two-phase expansion;
• said plurality of adjacent nozzles for two-phase expansion with substantially parallel axes, each nozzle for two-phase expansion comprising successively at least one converging portion, one neck and one tube and said nozzles for two-phase expansion being arranged so that each receives a portion of said flow originating from said hot source;
• means making it possible to hold said plurality of nozzles for two-phase expansion in place and comprising impervious separating means between said nozzles for two-phase expansion.

A device for converting thermal energy to mechanical energy using the mist-lift technique, comprising at least one two-phase expansion device for producing and accelerating droplets of a hot liquid, the conversion device using the mist-lift technique comprising means for fluidic connection with a hot source and means for fluidic connection with a cold source, wherein said two-phase expansion device comprises at least:

• one distributor making it possible to distribute said fluid originating from said hot source to a plurality of nozzles for two-phase expansion;
• said plurality of adjacent nozzles for two-phase expansion with substantially parallel axes, each nozzle for two-phase expansion comprising successively at least one converging portion, one neck and one tube and said nozzles for two-phase expansion being arranged so that each receives a portion of said flow originating from said hot source;
• means making it possible to hold said plurality of nozzles for two-phase expansion in place and comprising impervious separating means between said nozzles for two-phase expansion.