Systems and methods are provided for data center cooling by vaporizing fuel using data center waste heat. The systems include, for instance, an electricity-generating assembly, a liquid fuel storage, and a heat transfer system. The electricity-generating assembly generates electricity from a fuel vapor for supply to the data center. The liquid fuel storage is coupled to supply the fuel vapor, and the heat transfer system is associated with the data center and the liquid fuel storage. In an operational mode, the heat transfer system transfers the data center waste heat to the liquid fuel storage to facilitate vaporization of liquid fuel to produce the fuel vapor for supply to the electricity-generating assembly. The system may be implemented with the liquid fuel storage and heat transfer system being the primary fuel vapor source, or a back-up fuel vapor source.

An apparatus and method for generating a vapor with a compact vaporizer design and exposing the gas and liquid mixture for vaporization to a reduced maximum temperature. A gas and liquid droplet flow through a metal housing configured to heat the gas and liquid droplet mixture flow for vaporization includes directing the gas and liquid droplet mixture through an inlet of the metal housing and flowing the gas through a tortious flow path defined by a plurality of tubular flow passageways arranged around a central axis for vaporization. The flow path is directed through a heat exchanger including one more changes in direction of flow path before flowing into the further tortious flow path described above. Residual liquid droplets may be further vaporized by flowing through a second metal housing configured to heat the gas and liquid droplet mixture for vaporization and having a similar construction to the first metal housing and providing a second tortious flow path.

An apparatus and method for generating a vapor with a compact vaporizer design and exposing the gas and liquid mixture for vaporization to a reduced maximum temperature. A gas and liquid droplet flow through a metal housing configured to heat the gas and liquid droplet mixture flow for vaporization includes directing the gas and liquid droplet mixture through an inlet of the metal housing and flowing the gas through a tortious flow path defined by a plurality of tubular flow passageways arranged around a central axis for vaporization. The flow path is directed through a heat exchanger including one more changes in direction of flow path before flowing into the further tortious flow path described above. Residual liquid droplets may be further vaporized by flowing through a second metal housing configured to heat the gas and liquid droplet mixture for vaporization and having a similar construction to the first metal housing and providing a second tortious flow path.

A scent vaporizing and distribution device uses an electric heating element to rapidly vaporize a liquid scent material. An airflow generator is used to create a distribution airflow that distributes the vapor from the device. The airflow generator can be an electric-powered fan or a manually-powered pump or squeezable bladder. The liquid scent material can include a glycol or a water-glycol mixture. A scent material such as liquid or powdered deer urine or a pleasant scent that can be used as a room or automobile or room freshener is mixed with the liquid. The vapor generator can be removable and replaceable such that different scents can be used with a single airflow generator or an empty generator can be replaced.

A scent vaporizing and distribution device uses an electric heating element to rapidly vaporize a liquid scent material. An airflow generator is used to create a distribution airflow that distributes the vapor from the device. The airflow generator can be an electric-powered fan or a manually-powered pump or squeezable bladder. The liquid scent material can include a glycol or a water-glycol mixture. A scent material such as liquid or powdered deer urine or a pleasant scent that can be used as a room or automobile or room freshener is mixed with the liquid. The vapor generator can be removable and replaceable such that different scents can be used with a single airflow generator or an empty generator can be replaced.

A flow control device is used to regulate fluid flow from an upstream supply source to a downstream destination within a plant. At least portions of the flow control device are fabricated from one or more thermostatic materials selected based on the specific thermostatic properties thereof. The basic arrangement of the flow control device includes at least one housing with at least one thermostatic beam and at least one wall fixed thereto to define a void interior area with opposed open ends, and a center plug member with at least one opening in at least one wall thereof arranged within the interior area for temperature dependent fluid flow therethrough.

A flow control device is used to regulate fluid flow from an upstream supply source to a downstream destination within a plant. At least portions of the flow control device are fabricated from one or more thermostatic materials selected based on the specific thermostatic properties thereof. The basic arrangement of the flow control device includes at least one housing with at least one thermostatic beam and at least one wall fixed thereto to define a void interior area with opposed open ends, and a center plug member with at least one opening in at least one wall thereof arranged within the interior area for temperature dependent fluid flow therethrough.

An exhaust gas system includes an arrangement for conveying an exhaust gas stream and a thermodynamic engine connected to the exhaust gas stream conveying arrangement for recovery of heat from the exhaust gas stream. The thermodynamic engine includes a working fluid circulation circuit. The exhaust gas system includes at least one working fluid release arrangement which is connected between the working fluid circulation circuit and the exhaust, gas conveying arrangement for releasing the working fluid from the working fluid circulation circuit to the exhaust gas conveying arrangement. The exhaust gas stream conveying arrangement includes at least one exhaust gas treatment unit. Further, the working fluid release arrangement is connected upstream of or directly to the exhaust gas treatment unit.

An exhaust gas system includes an arrangement for conveying an exhaust gas stream and a thermodynamic engine connected to the exhaust gas stream conveying arrangement for recovery of heat from the exhaust gas stream. The thermodynamic engine includes a working fluid circulation circuit. The exhaust gas system includes at least one working fluid release arrangement which is connected between the working fluid circulation circuit and the exhaust, gas conveying arrangement for releasing the working fluid from the working fluid circulation circuit to the exhaust gas conveying arrangement. The exhaust gas stream conveying arrangement includes at least one exhaust gas treatment unit. Further, the working fluid release arrangement is connected upstream of or directly to the exhaust gas treatment unit.

A condenser includes a container into which steam is to flow, cooling pipes which are positioned inside the container and configured to cool the steam so as to form condensed water, at least one extraction pipe for extracting air included inside the container, at least one extraction hole which is defined in the extraction pipe and through which an interior of the at least one extraction pipe and an interior of the container communicate with each other, and a cylindrical cover which is configured with a gap spaced from the at least one extraction pipe and covers the at least one extraction hole so as to regulate an inflow of the condensed water into the at least one extraction hole. A plurality of the extraction holes are formed around the extraction pipe, and the cylindrical cover is radially outside the at least one extraction pipe with the gap spaced therebetween.