An anti-agglomeration device for a nanofluid includes a support module, a motion module, a photoacoustic conversion module and a control module. The support module includes a frame and screws and is configured to support the photoacoustic conversion module and the motion module. The photoacoustic conversion module includes a nanosecond laser, a first clamp, a lens, a silica optical fiber, a second clamp, gold nanoparticles and a container and is configured to realize photoacoustic conversion to generate ultrasonic waves. The motion module includes a servo motor, a dovetailed rail, a guide screw, a fixed plate, a slider and a deep groove ball bearing. The motion module is configured to support the photoacoustic conversion module and realize the combined motions of the photoacoustic conversion module. The control module includes a support plate and a CCD camera and is configured to control the motion module in real time.

An acoustically actuated droplet apparatus includes a first sound source, a second sound source, a thread, two fixed columns and at least one droplet transporter. The first sound source includes a first emitting surface. The second sound source includes a second emitting surface, wherein the second emitting surface and the first emitting surface are arranged opposite to each other. The thread is coaxially passed through and placed between the first sound source and the second sound source, wherein the thread is hydrophobic. The two fixed columns are connected to two ends of the thread, wherein the first sound source and the second sound source are placed between the two fixed columns. The droplet transporter includes a tubing, a droplet dispenser and a solution container, wherein the droplet dispenser is connected with the solution container by the tubing, and the droplet dispenser is placed near the thread.

A device for the fragmentation of DNA samples. The DNA samples are in solution in a container the device including a vessel for receiving a liquid, the vessel being configured to produce ultrasonic waves so as to spread ultrasonic waves through the liquid. The device further includes a first support element resting on the vessel, the device further includes a second support element having a passage designed to receive the container. The second support element can be suspended by at least one suspension element forming at least one joint, such that a lower portion of the container can be immersed in the liquid.

A system for continuously processing a combination of materials includes a continuous process vessel having an outlet and one or more inlets. The continuous process vessel is configured to oscillate along an oscillation axis. An acoustic agitator is coupled to the continuous process vessel. The acoustic agitator is configured to oscillate the continuous process vessel along the oscillation axis. An outlet passage is in fluid communication with the outlet. At least a portion of the outlet passage or at least a portion of the continuous process vessel is disposed within a portion of the acoustic agitator.

To provide a microparticle-containing liquid dispersing device capable of dispersing microparticles containing cells, a microparticle sedimentation suppression method, a microparticle sorting or measuring device, and a microparticle sedimentation suppression vibrator. The microparticle-containing liquid dispersing device includes: a microparticle sedimentation suppression vibrator including a fixture configured to connect and hang on a bag containing a microparticle-containing liquid, the microparticle sedimentation suppression vibrator hanging the bag in a vertically downward direction; and a stand that hangs the bag.

An ultrasonic system for homogenizing a sample includes an ultrasonic transducer and a control system. The transducer includes a horn or other probe that oscillates to produce cavitation in the sample and a converter that drives the horn through its oscillatory motion. The control system includes a closed-loop amplitude-control configuration and process. In particular, the control system includes a user interface, a controller, and a high-frequency driver, all connected together in a closed-loop configuration for enabling amplitude-control feedback. Control software includes programming for the closed-loop amplitude-control process including receiving a user-inputted desired amplitude of oscillatory horn motion, driving the transducer at a corresponding power level, determining the actual amplitude of oscillatory horn motion, and automatically adjusting the power level to the transducer to maintain the desired amplitude during operation of the ultrasonic system.

A stirring system includes a vibration device configured to generate vertical vibration and a holder configured to hold liquid having a free surface and receive the vertical vibration from the vibration device. The stirring system further includes processing circuitry configured to generate a Faraday surface wave on the free surface of the liquid to stir the liquid by controlling at least one of an amplitude and a frequency of the vertical vibration.

A cavitation process for preparing a water-in-oil emulsion including a) adding water to fuel in a range of 5% to 35% of the total volume; b) feeding both water and fuel into an enclosed space, where the mixture is accelerated through a pressure rise induced by a pumping system; c) forcing the mixture through an acceleration tunnel where it hits a first cavitation barrier with adjustable bolts; d) feeding the mixture through a first decompression chamber causing a pressure decrease and subsequent vaporization of the mixture to form a vaporized mixture, forming water droplets whose diameter ranges from 1 m to 3 m; e) feeding the vaporized mixture on the second cavitation barrier with adjustable bolts, to a second decompression and forming water droplets of diameter of 0.1 m or less.

The present disclosure relates to a method of creating a propellant mixture. The method includes forming an explosive composition mixture, placing the explosive composition mixture into a mixing vessel assembly, and operating an acoustic mixing system at an operating frequency such that the acoustic mixing system causes a vertical displacement of the mixing vessel. The explosive composition mixture has an explosive material, and one or more additives. The mixing vessel assembly has a closed mixing zone having a maximum vertical height. The acoustic mixing system is operated in a manner such that the operating frequency is substantially similar to the resonant frequency and a ratio of the maximum vertical height of the closed mixing zone to the vertical displacement of the mixing vessel assembly is 2.0 or less.

External sonication, which is a technique by which ultrasonic energy is applied externally to a cartridge containing the sample, is contemplated herein. External sonication can be performed by a sonicator external to a sample contained within a cartridge. The cartridge can include sonication particles to enhance sonication or cavitation within the sample. A sonication algorithm can also be used to increase sonication efficiency.