Evaporator including a wick for use in a two-phase heat transfer system

摘要

An evaporator may include an outer enclosure and a wick within the outer enclosure. The wick may have an outer lateral side surface positioned adjacent to the outer enclosure and may comprise a plurality of circumferential grooves formed in the outer lateral side surface of the wick and a plurality of channels fluidly connected to the plurality of circumferential grooves. The evaporator may include an outer enclosure and an end cap bonded directly to the outer enclosure, contacting the wick, and having a thermal conductivity that is less than the thermal conductivity of the outer enclosure.

主权项

1. An evaporator comprising:
an outer enclosure; a liquid inlet extending through the outer enclosure and fluidly coupled to an interior of the outer enclosure; a vapor outlet extending through the outer enclosure and fluidly coupled to the interior of the outer enclosure; and a cylindrical wick within the outer enclosure, fluidly coupled to the liquid inlet, having an axial length extending along a longitudinal axis of the wick, the wick having an radially outer side surface positioned adjacent to the outer enclosure, the wick comprising:
a plurality of circumferential grooves formed in the radially outer side surface of the wick, each groove of the plurality of circumferential grooves extending completely around a circumference of the wick in a direction that is non-parallel to the axial direction of the wick; anda plurality of channels formed within the wick, each channel of the plurality of channels intersecting the plurality of circumferential grooves, extending along the axial direction of the wick, and being fluidly coupled to the vapor outlet, wherein an entirety of each channel of the plurality of channels is circumferentially surrounded by the wick.