A device for synthesizing carbonated water includes: a device shell, in which a stirring chamber is defined; a rotation shaft, which is accommodated in the stirring chamber; a blade structure, which is accommodated in the stirring chamber and rotatable around the rotation shaft; sidewall ribs, which are distributed in the stirring chamber and arranged on a sidewall of the device shell, each sidewall rib comprising one or more collision interfaces; an input unit, which is arranged on the device shell, positioned below the blade structure, communicated with the stirring chamber, and operable to receive water and carbon dioxide; and an output unit, which is arranged on the device shell, positioned above the blade structure, communicated with the stirring chamber, and operable to deliver carbonated water with a predetermined concentration.

An embodiment provides a nozzle, including: a conical-shaped portion having a first end and a second end substantially opposite the first end, wherein the first end has a smaller diameter than the second end; the first end having an attachment to hold the nozzle in a flow of fluid from an inlet, wherein the nozzle is positioned with the first end facing an inflow of a fluid and the second end facing a chamber; and the conical-shaped portion configured to direct the inflow of the fluid along an inner surface of the chamber, wherein the inflow of the fluid travels around the outer diameter of the conical-shaped portion. Other aspects are described and claimed.

A stirring device is adapted to be used for a water storage system. The stirring device includes a tube unit and a stirring unit. The tube unit includes a rigid tube member, and a flexible tube member adapted for interconnecting the rigid tube member and an inlet of the water storage system. The stirring unit includes a center rod extending rotatably into the rigid tube member along an longitudinal direction of the rigid tube member, a support subunit positioning the center rod within the rigid tube member, a driver fan subunit mounted to the center rod and adapted to be driven by water for actuating rotation of the center rod, and a stirring member mounted co-rotatably to the center rod and adapted for stirring sediments in the water.

A stirring device is adapted to be used for a water storage system. The stirring device includes a tube unit and a stirring unit. The tube unit includes a rigid tube member, and a flexible tube member adapted for interconnecting the rigid tube member and an inlet of the water storage system. The stirring unit includes a center rod extending rotatably into the rigid tube member along an longitudinal direction of the rigid tube member, a support subunit positioning the center rod within the rigid tube member, a driver fan subunit mounted to the center rod and adapted to be driven by water for actuating rotation of the center rod, and a stirring member mounted co-rotatably to the center rod and adapted for stirring sediments in the water.

A simple-cycle gas turbine system includes an injection system including a plurality of injection tubes that may inject a fluid into a duct of an exhaust processing system that may process exhaust gas generated by a gas turbine engine. The exhaust processing system includes a selective catalytic reduction (SCR) system that may reduce a level of nitrogen oxides (NO.sub.x) within the exhaust gas; and a mixing system positioned adjacent to the plurality of injection tubes and within the exhaust processing system. The mixing system includes a mixing module having a plurality of turbulators that may swirl the fluid, or the exhaust gas, or both, in a first swirl direction to encourage turbulent flow along an axis of the exhaust processing system and thereby facilitate mixing between the fluid and the exhaust gas.

A method for controlling fluid ratio accuracy during a dual flow injection with a powered injection system is described. The method includes predicting a first capacitance volume of a first syringe comprising a first medical fluid and a second capacitance volume of a second syringe comprising a second medical fluid with a first capacitance correction factor and a second capacitance correction factor, respectively, selecting a ratio of the first medical fluid and the second medical fluid to be administered to a patient in the dual flow injection, determining a relative acceleration ratio of a first piston of the first syringe and a second piston of a second syringe based on the predicted first capacitance volume and the predicted second capacitance volume, wherein the relative acceleration ratio is selected to maintain the selected ratio of the first medical fluid and the second medical fluid during the dual flow injection, and injecting a mixture of a first medical fluid and a second medical fluid having the selected ratio with the powered injection system.

A method for controlling fluid ratio accuracy during a dual flow injection with a powered injection system is described. The method includes predicting a first capacitance volume of a first syringe comprising a first medical fluid and a second capacitance volume of a second syringe comprising a second medical fluid with a first capacitance correction factor and a second capacitance correction factor, respectively, selecting a ratio of the first medical fluid and the second medical fluid to be administered to a patient in the dual flow injection, determining a relative acceleration ratio of a first piston of the first syringe and a second piston of a second syringe based on the predicted first capacitance volume and the predicted second capacitance volume, wherein the relative acceleration ratio is selected to maintain the selected ratio of the first medical fluid and the second medical fluid during the dual flow injection, and injecting a mixture of a first medical fluid and a second medical fluid having the selected ratio with the powered injection system.

A size of an agitating mechanism can be reduced. An agitating mechanism according to an aspect of the present disclosure is an agitating mechanism for agitating fluid flowing through inside a pipe, including: a rotary body placed inside the pipe so as to be able to rotate in a circumferential direction of an inner circumferential surface of the pipe; and a regulation part configured to regulate a movement of the rotary body in a longitudinal direction of the pipe. The rotary body includes a hollow part penetrating the pipe in the longitudinal direction of the pipe and an agitating blade provided in the hollow part.

Provided is a nano-micro bubble generator according to one aspect of the present invention, the nano-micro bubble generator including: a housing which a fluid flows into and out of; a plurality of rotors rotatably coupled to the inside of the housing; and a plurality of stators fixed to the inside of the housing and alternately arranged with the plurality of rotors, wherein at least one of the rotors and the stators has a mesh-like structure in which a plurality of flow passages of the fluid are arranged in a lattice form, and the rotors and the stators are arranged to be adjacent to each other so as to generate a collision, friction, and cavitation due to rotation of the rotors in the fluid flowing through the flow passages, thereby generating at least one of nano bubbles and micro bubbles in the fluid.

A method for controlling fluid ratio accuracy during a dual flow injection with a powered injection system is described. The method includes predicting a first capacitance volume of a first syringe comprising a first medical fluid and a second capacitance volume of a second syringe comprising a second medical fluid with a first capacitance correction factor and a second capacitance correction factor, respectively, selecting a ratio of the first medical fluid and the second medical fluid to be administered to a patient in the dual flow injection, determining a relative acceleration ratio of a first piston of the first syringe and a second piston of a second syringe based on the predicted first capacitance volume and the predicted second capacitance volume, wherein the relative acceleration ratio is selected to maintain the selected ratio of the first medical fluid and the second medical fluid during the dual flow injection, and injecting a mixture of a first medical fluid and a second medical fluid having the selected ratio with the powered injection system.