Abstract: Thermal management systems comprising a thermoelectric component, a heat transfer unit, and a controller. The heat transfer unit has a chamber and microfeatures in the chamber that are positioned to receive a working fluid. The controller is configured to operate the thermoelectric component and the heat transfer unit such that the heat transfer unit cools one side of the thermoelectric component to a first temperature and the thermoelectric component changes the temperature of a target material on its other side to a second temperature of +/?60° C. of the first temperature within 0.5-20 seconds.

Abstract: Wearable heat transfer devices and associated systems and methods are disclosed herein. In some embodiments, a representative heat transfer device can comprise (i) thermoelectric components each having a first side and a second side, (ii) a heat transfer system having a heat exchanger and an array of fluid distribution networks, in which individual fluid distribution networks are thermally coupled to the second side of a corresponding one of the thermoelectric components and fluidically coupled to the heat exchanger, and (iii) a flexible support unit coupled to the first sides of the thermoelectric components and extending at least between individual thermoelectric components, wherein the flexible support unit is a heat spreader configured to enhance heat transfer from a target area.

Abstract: A device and related method that provides, but is not limited thereto, a two-phase heat transfer device with unique combination of enhanced evaporation and increased cooling capacity. An advantage associated with the device and method includes, but is not limited thereto, increased cooling capacity per unit area, controlled and optimized evaporation, 10 prevention of boiling, and prevention of drying of the evaporator. An aspect associated with an approach may include, but is not limited thereto, using a non-wetting coating or structure to keep working fluid away from the spaces between elongated members of an evaporator and using a wetting coating or structure to form thin films of working fluid around the distal region of the elongated members.

Abstract: Thermal management systems including a thermoelectric component, a two-phase heat transfer unit, and a controller are disclosed herein. The heat transfer unit has a phase-transition chamber and microfeatures in the phase-transition chamber that induce capillary forces to a working fluid that drives the working fluid through the phase-transition chamber. The controller is configured to operate the thermoelectric component and the heat transfer unit such that the heat transfer unit cools one side of the thermoelectric component to a first temperature and the thermoelectric component changes the temperature of a target material on its other side to a second temperature of +/?60° C. of the first temperature within 0.5-20 seconds.

Abstract: Wearable heat transfer devices and associated systems and methods are disclosed herein. In some embodiments, a representative heat transfer device can comprise (i) thermoelectric components each having a first side and a second side, (ii) a heat transfer system having a heat exchanger and an array of fluid distribution networks, in which individual fluid distribution networks are thermally coupled to the second side of a corresponding one of the thermoelectric components and fluidically coupled to the heat exchanger, and (iii) a flexible support unit coupled to the first sides of the thermoelectric components and extending at least between individual thermoelectric components, wherein the flexible support unit is a heat spreader configured to enhance heat transfer from a target area.

Abstract: Wearable heat transfer devices and associated systems and methods are disclosed herein. In some embodiments, a representative heat transfer device can comprise (i) a thermoelectric component (TEC) including a first side configured to be operated at a desired temperature and a second side opposite the first side, (ii) a thermally conductive contact member thermally coupled to the TEC, and (iii) a heat transfer system configured to distribute heat from the TEC. The heat transfer system includes a heat transfer structure thermally coupled to the TEC, and a heat exchanger thermally coupled to the heat transfer structure.

Abstract: Thermal management devices and associated systems and methods are disclosed herein. In some embodiments, a representative device can comprise (i) thermoelectric components (TECs) each including a first side configured to be operated at a desired temperature and a second side opposite the first side, and (ii) a heat transfer system including an array of fluid distribution networks, an inlet passage coupled to the fluid distribution networks, and an outlet passage coupled to the fluid distribution networks. In operation, a working fluid flows through the fluid distribution networks from the inlet passage to the outlet passage, and absorbs heat from the fluid distribution networks. The inlet and outlet passages can be fluidically coupled to individual fluid distribution networks such that pressure drop and/or temperature drop of the working fluid across the individual fluid distribution networks is about the same as one another.

Abstract: Devices and methods for thermally modulating tissue are disclosed herein. Exemplary embodiments of the present technology can comprise a device including a probe and a chemical reactant supply fluidically coupled to the probe. The probe includes an elongated shaft member, a reaction chamber, a plurality of lumens each extending from a proximal end portion of the probe to the reaction chamber, and a tip at a distal terminus of the probe. The chemical reactant supply includes a first chemical reactant and a second chemical reactant. The tip is configured to penetrate tissue of a patient such that the reaction chamber is positioned adjacent a target region of the patient. The reaction chamber is configured to receive the first and second chemical reactants to cause an exothermic or endothermic reaction that in operation cools or heats, respectively, the target region.

Abstract: Wearable heat transfer devices and associated systems and methods are disclosed herein. In some embodiments, a representative heat transfer device can comprise (i) thermoelectric components each having a first side and a second side, (ii) a heat transfer system having a heat exchanger and an array of fluid distribution networks, in which individual fluid distribution networks are thermally coupled to the second side of a corresponding one of the thermoelectric components and fluidically coupled to the heat exchanger, and (iii) a flexible support unit coupled to the first sides of the thermoelectric components and extending at least between individual thermoelectric components, wherein the flexible support unit is a heat spreader configured to enhance heat transfer from a target area.

Abstract: Wearable heat transfer devices and associated systems and methods are disclosed herein. In some embodiments, a representative heat transfer device can comprise (i) thermoelectric components each having a first side and a second side, (ii) a heat transfer system having a heat exchanger and an array of fluid distribution networks, in which individual fluid distribution networks are thermally coupled to the second side of a corresponding one of the thermoelectric components and fluidically coupled to the heat exchanger, and (iii) a flexible support unit coupled to the first sides of the thermoelectric components and extending at least between individual thermoelectric components, wherein the flexible support unit is a heat spreader configured to enhance heat transfer from a target area.

Abstract: Thermal management systems comprising a thermoelectric component, a two-phase heat transfer unit, and a controller. The heat transfer unit has a phase-transition chamber and microfeatures in the phase-transition chamber that induce capillary forces to a working fluid that drives the working fluid through the phase-transition chamber. The controller is configured to operate the thermoelectric component and the heat transfer unit such that the heat transfer unit cools one side of the thermoelectric component to a first temperature and the thermoelectric component changes the temperature of a target material on its other side to a second temperature of +/?60° C. of the first temperature within 0.5-20 seconds.

Abstract: Systems and methods for a medical device configured to provide cooling to a tissue region are provided. The medical device may be configured to noninvasively cool the tissue region to a predetermined operating temperature via a two-phase heat transfer process. In some aspects, the medical device can be configured to be in communication with a vacuum to provide a suction to the medical device. In some aspects, the medical device can be adapted to a medical device to noninvasively cool the tissue region near a fractional treatment area.

Abstract: Systems and methods for a medical device configured to provide cooling to a tissue region are provided. The medical device may be configured to noninvasively or invasively cool the tissue region to a predetermined operating temperature via a two-phase heat transfer process.

Abstract: A device and related method that provides a two-phase heat transfer device with a combination of enhanced evaporation and increase cooling capacity. A recess topology is used to increase suction of working fluid toward a heat source. A non-wetting coating or structure may be used to keep working fluid away from the spaces between elongated members of an evaporator and a wetting coating or structure may be used to form thin films of working fluid around the distal regions of elongated members. The devices and method described herein may be used to cool computer chips, the skin of a hypersonic flying object, a parabolic solar collector, a turbine engine blade, or other heat sources that require high heat flux.

Abstract: A device and related method that provides a two-phase heat transfer device with a combination of enhanced evaporation and increase cooling capacity. A recess topology is used to increase suction of working fluid toward a heat source. A non-wetting coating or structure may be used to keep working fluid away from the spaces between elongated members of an evaporator and a wetting coating or structure may be used to form thin films of working fluid around the distal regions of elongated members. The devices and method described herein may be used to cool computer chips, the skin of a hypersonic flying object, a parabolic solar collector, a turbine engine blade, or other heat sources that require high heat flux.

Abstract: A device and related method that provides, but is not limited thereto, a two-phase heat transfer device with unique combination of enhanced evaporation and increased cooling capacity. An advantage associated with the device and method includes, but is not limited thereto, increased cooling capacity per unit area, controlled and optimized evaporation, 10 prevention of boiling, and prevention of drying of the evaporator. An aspect associated with an approach may include, but is not limited thereto, using a non-wetting coating or structure to keep working fluid away from the spaces between elongated members of an evaporator and using a wetting coating or structure to form thin films of working fluid around the distal region of the elongated members.