The vaporization type humidification unit includes a vaporization unit that evaporates moisture, a first blower that sucks humidification air humidified by the vaporization unit, a transport tube that is connected to the first blower and through which the air discharged from the first blower is transported, a second blower connected to the transport tube and discharging the humidification air discharged from the first blower side toward outside, an opening provided in a middle of the transport tube, a humidity measurement unit installed on a discharging side of the second blower, and a control unit that controls an air flow rate discharged from the first blower and the second blower, in which the control unit controls the air flow rate discharged from the second blower to a desired value and controls the air flow rate discharged from the first blower based on a humidity measured by the humidity measurement unit.

Portable body cooling apparatus, particularly wearable on subjects, the apparatus comprises a channeled assembly including a coupled pair of channels longitudinally extending adjacent to each other, and wearable along outer contour of a subject's body part. The apparatus also comprises a forced air flow assembly connected to channeled assembly, for generating and driving forced flow of air into and through channeled assembly and facilitate indirect evaporation of liquid inside the channeled assembly, so as to produce forced flow of cool air exiting from channeled assembly and directed onto the subject, thereby cooling the subject. Also disclosed is a corresponding method of cooling a subject.

A cooling system for cooling an enclosure, the cooling system including a heat exchange section configured to transfer sensible heat; a humidifier located outside the heat exchange section and configured to humidify a working air stream C so that it transfers latent heat; an air moving system configured to move various air streams through the cooling system; and a piping system configured to connect the heat exchange section to the humidifier and the air moving system. The sensible heat transfer is decoupled from the latent heat transfer.

A cooling system for cooling an enclosure, the cooling system including a heat exchange section configured to transfer sensible heat; a humidifier located outside the heat exchange section and configured to humidify a working air stream C so that it transfers latent heat; an air moving system configured to move various air streams through the cooling system; and a piping system configured to connect the heat exchange section to the humidifier and the air moving system. The sensible heat transfer is decoupled from the latent heat transfer.

The method of improving an evaporative performance of a porous evaporative media in a cooling system that utilizes water evaporation for heat transfer, the method comprising contacting the porous evaporative media with a nonionic surfactant, optionally in combination with an antiscalant.

The method of improving an evaporative performance of a porous evaporative media in a cooling system that utilizes water evaporation for heat transfer, the method comprising contacting the porous evaporative media with a nonionic surfactant, optionally in combination with an antiscalant.

The humidifier includes a humidifying member, a storage water tank, a circulating water tank, a residual water tank, a supply pump configured to supply water accommodated in the storage water tank to the circulating water tank, a circulating pump configured to supply water accommodated in the circulating water tank to the humidifying member. A fan configured to blow air toward the humidifying member and thereby cause water evaporated to be discharged outside the humidifier, an internal pipe configured to form a flow passage through which water not evaporated by the humidifying member is recovered to the circulating water tank, a drainage member configured to selectively discharge water accommodated in the circulating water tank to the residual water tank, and a controller configured to operate the humidifier in humidity mode based on the water level in the storage water tank.

The humidifier includes a humidifying member, a storage water tank, a circulating water tank, a residual water tank, a supply pump configured to supply water accommodated in the storage water tank to the circulating water tank, a circulating pump configured to supply water accommodated in the circulating water tank to the humidifying member. A fan configured to blow air toward the humidifying member and thereby cause water evaporated to be discharged outside the humidifier, an internal pipe configured to form a flow passage through which water not evaporated by the humidifying member is recovered to the circulating water tank, a drainage member configured to selectively discharge water accommodated in the circulating water tank to the residual water tank, and a controller configured to operate the humidifier in humidity mode based on the water level in the storage water tank.

An evaporative air cooling tower is described. The evaporative air cooling tower includes a housing defining an interior of the evaporative air cooling tower; a grill coupled to the housing and defining openings; a tank positioned adjacent to a bottom portion of the housing, wherein the tank is configured to receive and store liquid; a tray positioned adjacent to a top portion of the housing, wherein the tray is configured to receive and release the liquid; a hose in fluid communication with the tank and the tray; a pump configured to pump the liquid from the tank to the tray through the hose; a filter structure comprising a filter configured to receive the liquid from the tray; and a fan configured to draw air into the interior, wherein the air is cooled by the filter and directed out of the interior through the openings.

An evaporative air cooling tower is described. The evaporative air cooling tower includes a housing defining an interior of the evaporative air cooling tower; a grill coupled to the housing and defining openings; a tank positioned adjacent to a bottom portion of the housing, wherein the tank is configured to receive and store liquid; a tray positioned adjacent to a top portion of the housing, wherein the tray is configured to receive and release the liquid; a hose in fluid communication with the tank and the tray; a pump configured to pump the liquid from the tank to the tray through the hose; a filter structure comprising a filter configured to receive the liquid from the tray; and a fan configured to draw air into the interior, wherein the air is cooled by the filter and directed out of the interior through the openings.