Abstract: A heat pump system, a heat management method and a vehicle are provided. The heat pump system includes an integrated heat exchanger integrated with a superconducting liquid flow passage and a refrigerant flow passage. The refrigerant flow passage is provided inside an on-board refrigerant circulation loop and is used for cooling and/or heating to adjust the temperature within a passenger compartment of a vehicle. The superconducting liquid flow passage is in communication with a motor heat dissipating conduit, for absorbing the heat generated by an on board motor and transferring the heat to the integrated heat exchanger by means of phase change heat transfer. The heat pump system can increase the energy utilization rate for the vehicle and reduce the allowable ambient temperature of the heat pump system.

Abstract: A vaporization system and control method are provided. Liquid cryogen is provided to first ambient air vaporizer (AAV) units. When an output superheated vapor temperature is less than a threshold, the liquid cryogen is provided to second AAV units. When greater than or equal to the threshold, it is determined whether the second AAV units are defrosted. When defrosted, the liquid cryogen is provided to the second AAV units. When not defrosted, it is determined whether ice has formed on the first AAV units. When not formed, it is again determined whether the superheated vapor temperature is less than the threshold. When formed, it is determined whether a current ambient condition is favorable to defrosting the second AAV units. When not favorable, the liquid cryogen is provided to the second bank of AAV units. When favorable, it is again determined whether the superheated vapor temperature is less than the threshold.

Abstract: A cryogenic cooler includes a cold region, a heat-transfer fluid circuit, the cold region being positioned in the circuit, and an application heat exchanger configured to exchange calories with a device to be cooled. The cooler includes at least one passive non-return valve fluidly connected to the cold region, the heat exchanger having at least one first fluid inlet positioned downstream of the non-return valve in the flow direction of the heat-transfer fluid, the heat-transfer fluid circulating from the end of the cold region.

Abstract: The present invention provides for an ice-nucleating particle for cloud seeding and other applications, which can initiate ice nucleation at a temperature of ?8° C. Further, the ice nucleation particle number increased continuously and rapidly with the reducing of temperature. The ice nucleating particle in the present invention is a nanostructured porous composite of 3-dimensional reduced graphene oxide and silica dioxide nanoparticles (PrGO-SN). The present invention also provides for a process for synthesizing the PrGO-SN.

Abstract: Proposed is a heat dissipating device using turbulent flow. In the heat dissipating device, a plurality of block flow paths are formed in parallel inside a block body, a first cap and a second cap are mounted on side surfaces of the respective ends of the block body so as to connect the block flow paths, a working fluid flows into the block flow paths, and the working fluid which has passed through the block flow paths is transferred to the outside. Turbulence generators are mounted inside the block flow paths, and finishing end portions on the respective ends of the turbulence generators are supported by the first cap and the second cap and are positioned inside the block flow paths.

Abstract: A cryogenic vaporization system and a method for controlling the system are provided. The system includes a first vaporizer arrangement and a second vaporizer arrangement configured for receiving a liquid cryogen and outputting a superheated vapor. The second vaporizer arrangement is connected in parallel with the first vaporizer arrangement, and includes one or more banks of ambient air vaporizer (AAV) units or loose fill media with a high heat capacity. The second vaporizer arrangement has a different configuration than that of the first vaporizer arrangement. The system further includes at least one control valve controlling provision of the liquid cryogen to at least one of the first vaporizer arrangement and the second vaporizer arrangement.

Abstract: A technique for dissipating heat from a plurality of components is proposed. An electric component (1) includes a substrate (400), a first component (412), a second component (401), and a heat sink (31). The substrate (400) has a first surface (400b) and a second surface (400a) opposite to the first surface (400b). The first component (412) is disposed on a side of the first surface (400b). The second component (401) includes a body (401a) disposed on a side of the second surface (400a), and a lead (401b) that extends from the body (401a) through the second surface (400a) to the first surface (400b). The heat sink (31) is disposed on the side of the first surface (400b), and is used in common for dissipation of heat from the body (401a) through the lead (401b) and dissipation of heat from the first component (412).

Abstract: A vehicle front arrangement structure includes high-voltage equipment, air conditioning equipment that includes an air-conditioner blower, and a high-voltage connector part. The high-voltage equipment and air conditioning equipment are arranged in front of a vehicle. The high-voltage connector part is provided at a vehicle rearward end portion of the high-voltage equipment to connect a high-voltage wire harness. The high-voltage connector part is arranged so as to be displaced in at least one of a vertical direction and a horizontal direction as viewed from the front of the vehicle.

Abstract: A valve device comprises a case comprising an open lower portion and an accommodation space formed therein, a base plate to cover the open lower portion of the case, an inlet pipe connected to the base plate and through which a refrigerant is introduced to the accommodation space, a boss installed to the base plate and comprising a plurality of refrigerant inlet and outlet holes through which the introduced refrigerant from the accommodation space is introduced and discharged, a plurality of inlet and outlet pipes respectively connected to the plurality of refrigerant inlet and outlet holes, and through which the refrigerant is introduced from the boss or discharged to the boss, and a pad comprising an open cavity formed therein to selectively open one refrigerant inlet and outlet hole, and a connection cavity formed therein to selectively connect two refrigerant inlet and outlet holes.

Abstract: Systems and methods for cooling a datacenter are disclosed. In at least one embodiment, a modular unit is swappable or hot-swappable and has a heat exchanger, a variable speed fan, and at least one flow controller to pass fluid through microchannels of a cold plate, so that the fluid extracts heat from at least one computing device and so that fluid through a heat exchanger enables dissipation of heat by forced air from a variable speed fan.

Abstract: A method including one or more steps of a procedure for preparing a microscopic sample for a high-pressure freezing process is provided, wherein the sample is provided using an arrangement comprising a middle plate of a high-pressure freezing cartridge and an incubation chamber, wherein the middle plate is attached to a lower surface of a bottom of the incubation chamber by an adhesive and detachable from the incubation chamber by effecting a relative movement between the middle plate and the incubation chamber, wherein the sample is provided on an enclosing element which is fitted into an opening of the middle plate, and wherein, when the sample is to be subjected to the high-pressure freezing process, the relative movement between the middle plate and the incubation chamber is effected, thereby detaching the middle plate with the sample from the incubation chamber. Means to implement the method are also part of the present disclosure.

Abstract: A refrigerator includes a cooling/heating chamber capable of cooling and heating foods. The cooling/heating chamber is divided into a heating zone that is a space where foods to be heated are placed, and a non-heating zone that is a space continuous with the heating zone where foods not to be heated are placed. The refrigerator further includes an oscillation electrode and a counter electrode that are arranged so as to face each other with the heating zone in between, and an oscillating unit that applies an AC voltage to between the oscillation electrode and the counter electrode.

Abstract: An automated flush system for an evaporative cooling system may be employed in barns or other facilities that house animals to provide cooling and to reduce production loss. The evaporative cooling control system may include an automated flush system that has a controllable valve at a flush end of the cooling system. Based on a timer, the controllable valve is opened and water drains (e.g., pumped or gravity feed) out of the cooling pad enclosure. Fresh water is introduced at the “fill” end of the system, rinsing out the evaporative cooling pads. After a predetermined time, the valve at the flush end of the system is closed, and the fresh water refills the cooling pad enclosure.

Abstract: A shield for controlling the cooling within a hermetically cooled motor, and a compressor incorporating the shield are provided. The shield includes an insulator, at least one fastener, and a venting aperture. The insulator restricts the flow of a working fluid between a first side and a second side. The at least one fastener secures the insulator. The venting aperture controls a pressure differential between the first side and the second side. The venting aperture may include at least one hole through the insulator. The venting aperture may be provided as a hole through the insulator for the rotating shaft of the compressor.

Abstract: Provided is a refrigerator for a vehicle. The refrigerator for the vehicle may include a cavity or compartment accommodating a product, a machine room disposed at a side of the cavity, a compressor accommodated in the machine room to compress a refrigerant, a condensation module or assembly accommodated in the machine room to condense the refrigerant, an evaporation module or assembly accommodated in the cavity to evaporate the refrigerant and thereby to cool the cavity, a machine room cover defining an inner space of the machine room, and a controller mounted on an outer surface of the machine room cover.

Abstract: A cooling system includes a coolant source to cool down components of a processing chamber and a return line for the coolant coupled between the processing chamber and the coolant source. The return line has a valve, which includes a flow compartment having a first inlet and an outlet that support a default flow rate of the coolant, the flow compartment also having a second inlet. The valve has a plunger with a tip to variably open and close the second inlet to vary a flow rate of the coolant from the default flow rate. The valve has a shape memory alloy (SMA) spring positioned on the plunger between a side of the valve and the tip, the SMA spring attached to the tip to variably withdraw the tip from the second inlet in response to a rise in temperature of the coolant above a threshold temperature value.

Abstract: A device for constraining liquid cooling tubes may include connecting a first tube connector and a second tube connector with a stretchable strip of flexible material. The first tube connector is configured to fluidly seal to a first end of a liquid cooling tube, and the second tube connector is configured to fluidly seal to a second end of the liquid cooling tube. The device may also include connecting the first tube connector to a first manifold and connecting the second tube connector to a second manifold when a computing device in a rack is in operation. The device may also include disconnecting the first tube connector to the first manifold and the second tube connector to the second manifold. The first tube connector and the second tube connector are constrained by the stretchable strip of flexible material when the computing device is moved out of the rack.

Abstract: A screw compressor includes a screw rotor, a gate rotor, and a speed adjuster. The screw rotor has an outer peripheral surface with a plurality of screw grooves. The screw rotor is configured to be rotated. The gate rotor has a plurality of teeth. A ratio T/S of a number T of the teeth to a total number S of the screw grooves is greater than or equal to 2.5. The gate rotor meshes with the screw rotor. The speed adjuster is configured to adjust a rotational speed of the screw rotor. Rotation of the screw rotor at an angle greater than 180° allows the screw compressor to perform a stroke from start of compression to completion of discharge.

Abstract: Disclosed are an air conditioning indoor unit and an air conditioner. The air conditioning indoor unit includes a housing and a ventilator in the housing. The housing has a frame and a panel. The panel defines a first ventilation opening, and the frame defines a second ventilation opening corresponding to the first ventilation opening. The ventilator is communicated with the second ventilation opening. The air conditioning indoor unit further includes a sealer disposed at the second ventilation opening and configured to seal a gap between the frame and the ventilator and/or to seal a gap between the frame and the panel.

Abstract: An outdoor unit includes: a housing; a compressor placed in the housing; a heat exchanger placed in the housing; and a blower placed in the housing, the blower admitting air from outside the housing and passing the air through the heat exchanger. Furthermore, the outdoor unit includes: a partition plate partitioning the housing into a compressor chamber and a blower chamber; a board on which an electronic component is mounted; a heat dissipator placed in the blower chamber and adjacent to the partition plate, the heat dissipator including a base and a plurality of fins, the base having a fin formation surface, the fins projecting from the fin formation surface, the heat dissipator dissipating heat of the electronic component; and a duct covering the heat dissipator. When the fins are viewed from the fin formation surface side, the fins extend toward the blower side from the partition plate side.