Abstract: In a method for separating argon by cryogenic distillation, in which a flow containing argon, oxygen and nitrogen and being more rich in argon than the air is sent to a distillation column, and an argon-rich gas flow is withdrawn at the top of the column, a portion of the argon-rich gas flow is mixed with beads to form a gas mixture containing beads, the beads being capable of adsorbing oxygen in the presence of argon at the column operating temperatures; the portion of the argon-rich gas flow mixed with the beads is condensed and then sent to the top of the column; and a bottom liquid containing beads is withdrawn from the column and treated to remove the beads, the beads removed being regenerated to remove the adsorbed oxygen and being again mixed with the argon-rich gas flow.

Abstract: A redundancy shut-off system for a datacenter liquid cooling system is disclosed. The redundancy shut-off system has a first ball valve located above a datacenter platform and coupling between a row manifold of a secondary cooling loop and a rack manifold of a rack, where the first ball valve provides redundancy to a second ball valve located below the datacenter platform.

Abstract: Provided is a technology of searching for operation guidance for efficiently operating a liquefied natural gas plant. An operation guidance searching method for a liquefied natural gas plant includes: acquiring data sets of operation data of process variables for a plurality of target devices and disturbance data; generating, through machine learning, a plant model indicating correspondences of output values of process variables with respect to manipulated variables and input values of disturbances; and searching, through reinforcement learning, for input values of the manipulated variables operation variables for with which a compression power per unit production amount is minimized under a condition in which an outlet temperature of a liquefied natural gas is a preset restriction temperature or lower.

Abstract: A humidity control element includes a plurality of flat plate members stacked in a state where a first flow path or a second flow path is formed in each space between the flat plate members. Heat is exchangeable between the first flow path and the second flow path via the flat plate members. Each of the flat plate members is formed of any one material of a resin, paper, glass, a metal, and a ceramic, a metal organic framework MIL-101 (Cr) containing chromium as a metal is held on any one of an inner surface of the first flow path and an inner surface of the second flow path, and a switching time between a dehumidification operation and a regeneration operation is relatively long.

Abstract: A dehumidifier includes a machine body having a dehumidification function and a water tank including a receiving cavity. The dehumidifier has a working state, in which the machine body is directly above the water tank and the receiving cavity receives water formed by dehumidification by the machine body.

Abstract: A refrigerator includes a cabinet defining a storage chamber, a drawer door configured to be inserted into and withdrawn out of the storage chamber, a driving device provided at the door part, an elevation device provided at the drawer part and having a scissors lift assembly, and a connecting assembly that couples the driving device to the scissors lift assembly to transfer driving force from the driving device to the scissors lift assembly. The elevation device is configured, based on being uncoupled from the connecting assembly, to be separable from the drawer part, and the elevation device includes a restricting unit configured to restrict the scissors lift assembly from unfolding when the elevation device is separated from the drawer part. The drawer door includes a drawer part and a door part that is configured to, based on the drawer door being inserted into the storage chamber, close the storage chamber.

Abstract: A system for water collection and redistribution in a vehicle is provided. The system includes a storage tank for receiving water condensate from an air conditioner (AC) of the vehicle and store the water condensate. A wiper tank is positioned above the storage tank for receiving the water condensate from the storage tank. Further, a cooling coil is positioned adjacent to a radiator of the vehicle. A slanted pipe having an upper end in fluid communication with the wiper tank and a lower end in fluid communication with the cooling coil. The wiper tank discharges excess water condensate by gravity to the cooling coil via the slanted pipe to cool the radiator, when the water condensate reaches a certain level in the wiper tank.

Abstract: A cooler includes a heat radiating member and a cover member that form a coolant flow path. The heat radiating member has a first surface on which an object to be cooled is disposed. The heat radiating member includes multiple fin members protruding into the coolant flow path from a second surface of the heat radiating member. The second surface of the heat radiating member is a part of a surface of the coolant flow path. The cover member includes a trap part in which multiple recesses are formed in a portion of an inner surface of the cover member being another part of the surface of the coolant flow path outside a protruding direction of the fin members.

Abstract: Provided are a refrigerator and a control method thereof. The refrigerator is characterized by enabling at least a part of a refrigerator door to be selectively transparent by a user's operation, such that the user sees through an inside of the refrigerator while the refrigerator door is closed.

Abstract: A refrigerator is provided. The refrigerator includes a main body including a first door and a second door, a door opening device configured to open the first door and the second door, a first proximity sensor disposed adjacent to the first door, a second proximity sensor disposed adjacent to the second door, and a processor, and the processor may control the first proximity sensor and the second proximity sensor to operate alternately, based on sensing data obtained by the first proximity sensor and the second proximity sensor, identify a door close to an external object that approaches within a threshold distance from the refrigerator, and control the door opening device to open the identified door among the first door and the second door.

Abstract: A rack temperature controlling method includes performing the following operations through a controller: obtaining a rack temperature data, calculating a temperature variant according to the rack temperature data, calculating a temperature deviation according to the temperature variant and a reference temperature, calculating a target speed according to the temperature deviation, and adjusting a speed of a fan to the target speed. A rack temperature controlling system including a thermometer and a controller is further provided. The thermometer measures and outputs a rack temperature data. The controller receives the rack temperature data, and calculates a temperature variant according to the rack temperature data. The controller further calculates a temperature deviation according to the temperature variant and a reference temperature, calculates a target speed according to the temperature deviation, and adjusts a speed of a fan to the target speed.

Abstract: The invention relates to a method for a low-temperature air separation in which an air separation unit is used comprising a first rectification column and a second rectification column. The first rectification column is operated at a first pressure level, and the second rectification column is operated at a second pressure level below the first pressure level. Fluid which is oxygen-enriched compared to atmospheric air is drawn from the first rectification column in the form of one or more first material flows. At least one fraction of the fluid which has been drawn from the first rectification column in the form of the one or more first material flows is heated in a heat exchanger; a fraction of the fluid which has been heated in the heat exchanger is compressed using a compressor and is returned to the first rectification column.

Abstract: A system for analyzing a transport refrigeration system including: a storage device to store transport parameters associated with a transport refrigeration system and customer licenses; a diagnostics engine in electronic communication with the storage device, the diagnostics engine including: a license module to determine whether a user device has a customer license for at least one of descriptive data, diagnostic data, predictive data, and prescriptive data; a descriptive module to determine descriptive data in response to at least the transport parameters; a diagnostic module to determine diagnostic data of the transport refrigeration unit in response to at least the transport parameters; a predictive module to determine predictive data; and a prescriptive module to determine prescriptive data.

Abstract: A cooling system includes one or more cooling panels for affecting a cooling load in an environment. The cooling system also includes a heat exchanger coupled to the one or more cooling panels. Each cooling panel includes a film, a panel body, an inlet port, an outlet port, and a fluid path. The film's radiative properties allow it to achieve a temperature less than an environment temperature. The heat exchanger includes ports that are coupled to the fluid paths of the one or more cooling panels. A control system is used to control flow rates, flow paths, fluid temperatures, component temperatures, cooling rates, component operation, or other aspects of a cooling system. For example, the control system controls or monitors pumps, compressors, fans, valves, sensors, actuators, or a combination thereof.

Abstract: The present invention provides an integrated system of moisture removal, air purification, and air ventilation of the process air while some of the energy and resources required for operation of the system are self-sustained, or in some aspects the present system is self-regenerated such as heating and cooling of air and water exchanged among various elements/modules/members within the system or between the system and the surroundings, such that it becomes an all-time and all-round air dehumidifier, purifier and ventilator. Related method for removing air moisture from the surroundings using the present system is also provided.

Abstract: A refrigeration device includes an indoor unit and an outdoor unit. The indoor unit is used for heat exchange with air inside an equipment room. To adapt to different cabinets, one or more ventilation ducts of the indoor unit include a plurality of channels, and a baffle assembly is disposed in the indoor unit. An air flow direction in the ventilation duct is changed using the baffle assembly, and the baffle assembly is adjusted to block different positions to apply the refrigeration device to different types of cabinets.

Abstract: Provided is a refrigerator, including a freezer compartment, a refrigeration compartment, a drying compartment, an air intake channel, a first sealing apparatus, and a second sealing apparatus. The drying compartment is independently provided within the refrigeration compartment in a sealed manner. The drying compartment is provided with an air inlet and an air outlet. The first sealing apparatus is provided in the drying compartment and can switch between sealing an air outlet of the air intake channel and leaving the air outlet of the air intake channel open. The second sealing apparatus is provided at the air outlet and can switch between sealing the air outlet and leaving the air outlet open. Cooled air in the freezer compartment is introduced into the drying compartment and then mixed with air in the drying compartment, a rise in the temperature of the cooled air allows the relative humidity in the drying compartment to be reduced.

Abstract: A system for controlling a thermal signature of a boat is disclosed. The system includes a fluid compartment adjacent to an external wall of the boat. The fluid compartment is disposed between a heat source in a hull cavity of the boat and the external wall of the boat such that heat energy released from the heat source is transferred to a fluid in the fluid compartment. A fluid mover moves a first volume of the fluid out of the fluid compartment and replaces at least a portion of the first volume with a second volume of fluid, wherein the second volume of fluid has a different temperature than the first volume of fluid before entering the fluid compartment.

Abstract: A dedicated outdoor air system and method that is capable of operating over a broader spectrum of conditions. The HVAC system of the present invention utilizes a heating means positioned within the return air passageway in order to optimize the regeneration of the desiccant wheel and energy recovery device. By positioning a heating means upstream of the regeneration side of the desiccant wheel, the system is capable of providing supply air having low dew points to the enclosed space while still providing improved energy efficiency over conventional HVAC systems.

Abstract: A refrigerator includes a storage compartment and an air sanitation device mounted on a top wall of the storage compartment. The air sanitation device includes: a housing having an upper wall, a lower wall, and a peripheral wall connecting the upper wall to the lower wall; an air channel disposed in the housing and has an air inlet and an air outlet; a fan disposed in the air channel to force air to enter the air channel from the air inlet and leave the air channel from the air outlet; and an air detection device and/or an air purification device disposed in the air channel. The air outlet is disposed on the peripheral wall, and the air channel is configured in such a way that the air is discharged out of the air outlet obliquely downward.