Abstract: Heat storage apparatus comprising at least one thermal store (300) comprising a chamber (301) having a gas inlet (306), a gas outlet (307), and a gas-permeable thermal storage media (303) disposed therebetween, the apparatus being configured such that, during operation, the flow path of a gas flowing through the chamber (301) from inlet (306) to outlet (307) for transfer of thermal energy to or from the storage media (303) can be selectively altered in response to the progress of the thermal transfer, thereby enabling the flow path to bypass inactive upstream or downstream regions of the storage media where thermal transfer is complete or minimal, so as to minimize the pressure drop across the storage media. A baffle system (305) in a main flow passageway (312) may be used to control the gas flow path.

Abstract: A method is presented for adjusting coolant flow resistance through one or more liquid-cooled electronics racks. Flow restrictors are employed in association with multiple heat exchange tube sections of a heat exchange assembly, or in association with a plurality of coolant supply lines or coolant return lines feeding multiple heat exchange assemblies. Flow restrictors associated with respective heat exchange tube sections (or respective heat exchange assemblies) are disposed at the coolant channel inlet or coolant channel outlet of the tube sections (or of the heat exchange assemblies). These flow restrictors tailor coolant flow resistance through the heat exchange tube sections or through the heat exchange assemblies to enhance overall heat transfer within the tube sections or across heat exchange assemblies by tailoring coolant flow.

Abstract: A method of minimizing the effect of wind on a heat exchanger system includes setting the pivot angle of a wind deflector to an initial angle; collecting and recording a current reading of one of an outlet temperature sensor, a wind speed sensor, an ambient temperature sensor, or a heat exchanger inlet air pressure sensor; comparing the current reading of the sensor to a previous reading; and changing the pivot angle of the wind deflector from an initial angle when the current sensor reading is changed from the previous reading.

Abstract: A thermal management system having a first heating device, such as a rechargeable energy storage system (RESS), and a second heating device, such as an internal combustion engine (ICE), for a vehicle is provided. The system may allow waste heat within an ICE to be stored in a RESS, and may cool the RESS by depositing heat in the ICE. The RESS and the ICE are located in a first coolant circuit and a second coolant circuit, respectively. The system also includes a third coolant circuit interconnected with the first coolant circuit, and in thermal communication with the second coolant circuit via a first heat exchanger. The first and third coolant circuits are configured to circulate a first coolant, and the second coolant circuit is configured to circulate a second coolant. The RESS and the ICE are each configured to selectively operate as a heat source or a heat sink.

Abstract: Chilled-beam zone pump modules for controlling zones of a chilled-beam heating and air conditioning system, multiple-zone chilled beam air conditioning systems for cooling multiple-zone spaces, and methods of controlling chilled beams in multi-zone air conditioning systems. Embodiments include a pump serving each zone that both recirculates water within the module and chilled beam and circulates water in and out of a chilled or warm water distribution system through valves to control the temperature of the water delivered to the chilled beams. Different embodiments provide heating as well as cooling, use check valves to reduce the number of control valves required, adjust the temperature of the beam to avoid condensation, change pump speed to save energy or increase capacity, can be used in two- or four-pipe systems, or a combination thereof.

Abstract: An induction displacement unit is disclosed that includes an induction plenum having first nozzles communicating with a first discharge plenum and second nozzles communicating with a second discharge plenum, a return air plenum and a heating coil disposed between the return air plenum and the first discharge plenum. In addition, the induction displacement unit has a cooling coil disposed between the return air plenum and the second discharge plenum, where the induction plenum is vertically disposed between the heating coil and the cooling coil. The heating coil is disposed in an upper portion of the unit. The first discharge plenum is disposed to induce a substantially vertical discharge, and the second discharge plenum disposed to induce a substantially horizontal discharge.

Abstract: A system is provided for cooling a heat-dissipating device in a vehicle with a fuselage, a passenger cabin, and a region pneumatically communicating with the previously mentioned, which region is situated outside the passenger cabin. At least one heat exchanger is provided for transferring heat of the heat-dissipating device to air, and at least one air conveying device for conveying air through the heat exchanger. The air conveying device is designed to convey air from the passenger cabin to the heat exchanger. The heat exchanger is designed to subject the inflowing air to heat of the heat-dissipating device and to dissipate it to the region situated outside the passenger cabin, thus inducing mixing of the air that has been subjected to heat with the air present in the outside region, and inducing a return flow from the outside region to the passenger cabin by way of their pneumatic connection.

Abstract: A method includes a step of obtaining in a processing circuit a sequence of elements between a first device and a supply air temperature sensor of an air handling unit. The processing circuit also obtains an estimate for time constants associated with each element of the sequence. The processing circuit adds the time constants to obtain a process time constant estimate. The method further includes controlling a device based at least in part on the process time constant estimate.

Abstract: For minimizing the effect of wind on a heat exchanger system having a plurality of finned tube arrays and a plurality of fans, a method includes providing a wind louver below one of the fans. The wind louver is arranged to divert wind flowing in an approximately horizontal direction below the one of the plurality of fans to instead flow in a direction that is more vertically upward as compared to the approximately horizontal direction. Readings of a heat exchanger outlet temperature, ambient temperature, wind, and inlet air pressure are collected and recorded, and compared to previous readings. The louver height is changed if the readings have changed.

Abstract: In a vehicle air conditioning apparatus in which a plurality of air mixing dampers that are driven independently of each other have a drive shaft having a double-shaft structure. A hollow drive shaft of one damper is penetrated by a solid drive shaft of another damper. A first shaft-center immobilizing mechanism that secures a shaft center of the hollow drive shaft is provided between a side surface of the unit casing, to which the drive shaft having the double-shaft structure is supported in a freely rotatable manner. And a gear provided at a shaft end of the hollow drive shaft.

Abstract: A thermal energy storage system includes a container positioned within a surrounding body of water and comprising a container wall. The wall has an interior surface exposed to and defining an internal volume of the container and has an exterior surface opposite the interior surface and exposed to the surrounding body of water. The internal volume is substantially full of water, and the container is configured to thermally separate water within the internal volume along the interior surface from water of the surrounding body of water along the exterior surface. A thermal source in thermal communication with the water within the internal volume is configured to transfer a thermal potential to the water within the internal volume.

Abstract: An apparatus, such as a heater, is provided that includes a base member having at least one fluid passageway. A two-phase fluid is disposed within the fluid passageway, a pressure of the two-phase fluid being controlled such that the two-phase fluid provides at least one of heating and cooling to the base member. A tuning layer is secured to the base member, and the tuning layer includes a plurality of zones. Furthermore, a component, such as a chuck by way of example, is secured to the tuning layer.

Abstract: A mechanical draft cooling tower employs air cooled condenser modules and operates by mechanical draft to exchange heat between atmospheric air and steam. The cooling tower utilizes a modular air cooled condenser with heat exchange deltas having tube bundles that are manufactured and assembled prior to being shipped to the tower site.

Abstract: A heat transport structure is provided having a structural microtruss wick with a thermal transport medium associated with the microtruss wick for thermal energy transport by fluid and vapor transport between a heat source and a heat sink.

Abstract: A device and method for plugging a tube that includes setting a tapered plug in a tube with a compression ring that circumscribes the plug. The ring radially expands when axially compressed and wedges the plug in the tube. An anchoring assembly fits over the tapered end of the plug and is coupled to the plug while being pushed against the compressed ring. When coupled to the plug, the anchoring assembly maintains the ring in a compressed state. The anchoring assembly can be made up of legs that fasten to the tapered end of the plug and have shoulders attached on a free end that are positioned against a lateral side of the compressed ring.

Abstract: An indoor unit of an air-conditioning apparatus includes a plurality of blower fans provided adjacent to each other in a left-right direction, a heat exchanger, and a plurality of vertical vanes that are provided in an air outlet and that deflect an airflow to be blown out from the air outlet in a left/right direction. Further, when the airflow to be blown out from the air outlet is deflected in at least one direction in the left/right direction, the air volume of the blower fan disposed on the leftmost side or the rightmost side of the vertical vanes corresponding to the deflection direction is reduced relative to the air volume of the other blower fan.

Abstract: An energy saving air conditioning system is disclosed which provides different air conditioning modes, including a closed-loop mode, an open-loop mode, and a partial-loop mode, for controlling the environment in a high-density apparatus room. The energy saving air conditioning system uses a cloud operating center to monitor the temperature and the moisture inside and outside the high-density apparatus room. The cloud operating system dynamically selects the air conditioning mode in such a manner that energy can be saved and the environment in the high-density apparatus room can be optimally managed.

Abstract: A heat dissipation apparatus including multiple heat exchange sheets. A first path and a second path are formed between the multiple heat exchange sheets, and the first path includes a first countercurrent channel, a guide channel, and a first-outlet cross-flow channel; the second path includes a second countercurrent channel and a second-inlet cross-flow channel. One part of a first fluid that enters the first path enters the first countercurrent channel and mainly performs countercurrent heat exchange with a second fluid that is in the second countercurrent channel, and the other part passes the guide channel and rapidly performs cross-flow heat exchange.

Abstract: Exemplary embodiments relate to a system and method for monitoring functional operational reliability of a cooling system having at least one thermosyphon for transformers provided with at least one evaporator and with at least one condenser. The cooling system using a coolant which can be vaporized and a gaseous medium, as a heat carrier.

Abstract: A system and method for controlling a building system includes a supply temperature sensor upstream of a thermal load, a return temperature sensor downstream of the thermal load, and a controller. The controller is configured to calculate an actual thermal energy difference from the supply and return temperature sensors. The controller is configured to control a flow rate of a pump such that the measured thermal energy difference is equal to a desired thermal energy difference for the system, and the measured thermal energy difference is constant for a time interval. A system and method for controlling a building system includes determining a desired thermal energy difference for a load, measuring a supply and return temperature of the load, and reducing the system flow rate such that a valve controlling the load flow rate is at an at partially open condition when the return temperature of the load is the desired return temperature.