A sorber heat exchanger is provided with a substrate material incorporating a sorbent for reacting with a polar gas refrigerant or hydrogen. A preferred sorbent is a metal salt capable of reacting with the polar gas refrigerant to form a complex compound. The sorbent incorporating substrate is loaded into the reacto...

Systems and methods are described for controlling the equalization of pressure between absorbing and desorbing reactors. In a first reaction cycle in a desorbing reactor a gaseous reactant is desorbed from a solid sorbent and concurrently in an absorbing reactor the gaseous reactant is absorbed on a solid sorbent. I...

A firetube having an elongated cylindrical shell is characterized by a plurality of circular rows of elongated U-shaped fins, each having a bottom surface, preferably curved along a radius or flat, secured to the inner surface of the cylindrical shell and two flat, planar, preferably parallel sides extending upwardl...

An apparatus capable of providing rapid cooling and/or freezing comprises a cabinet or container having a cooling chamber one or more reactors each containing a complex compound formed by adsorbing a polar gas on a metal salt, in which the polar gas is alternately adsorbed and desorbed on the complex compound and ...

A working fluid for improving water vapor absorption cycle cooling and/or heating system comprising:an aqueous solution of a metal salt as herein described and an effective additive amount of at least 2 parts per million, by weight as herein described for increasing the rate of water vapor sorption of said working f...

Systems and methods for compressor-assisted sorption rate. A sorption system includes a sorber that absorbs and desorbs a refrigerant gas, such as ammonia, onto and from a coordinative complex compound. The system includes an evaporator, a condenser, and a compressor. The temperature and pressure of the gas within t...

Disclosed are systems and methods of flexibly cooling thermal loads by providing a thermal energy storage cooling system having a phase change material which includes a salt hydrate and a zeolite.

Disclosed are systems and methods of flexibly cooling thermal loads by providing a thermal energy storage cooling system for burst mode cooling and a vapor compression system for additional and ancillary cooling to efficiently maintain and cool a thermal load such as from a directed energy weapon system. ...

Disclosed are battery systems for powering a laser weapon, and methods of thereof. A system includes a battery bank comprising a plurality of cylindrical battery cells electrically connected in series and parallel to form a plurality of modules, wherein an air flow path through each module defined by a spacing betwe...

Disclosed are systems and methods of heating and cooling a laser system by providing a vapor compression system having a plurality of compressors. A control system controls the activity of each compressor and activates and manages the speed of each compressor to efficiently provide cooling and heating of the laser s...

Disclosed are systems and methods of flexibly cooling thermal loads by providing a thermal energy storage cooling system having a nucleation cooling system for at least initiating nucleation of a phase change media within the thermal energy storage system.

A system for dissipating heat from a component includes a heat pipe assembly and an adsorption bed. The heat pipe assembly may include a pair of walls defining an inter-wall volume between opposing faces of the pair of walls. The heat pipe assembly may be configured to be thermally coupled to the component such th...