A technique for harvesting low-speed wind energy uses anchored ionic droplets to taps into winds that are too weak to drive a turbine. It could be used to power small electronic devices.
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Planetary scientists traced carbon on the surface of Europa to the icy ocean beneath it, raising astrobiologists’ hopes that the carbon, which exists in the form of carbon dioxide, could stem from biological processes taking place under the ice.
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Medical physicist showcases the power of proton therapy by recreating well-known paintings using proton pencil beams as the paintbrush.
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Although antimatter stars are highly speculative, astronomers have identified 14 possible antistar candidates.
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Centrifugal pumps are used to transport fluids by the conversion of rotational kinetic energy to the hydrodynamic energy of the fluid flow. The rotational energy typically comes from an engine or electric motor. They are a sub-class of dynamic axisymmetric work-absorbing turbomachinery. The fluid enters the pump impeller along or near to the rotating axis and is accelerated by the impeller, flowing radially outward into a diffuser or volute chamber (casing), from which it exits.
Common uses include water, sewage, agriculture, petroleum, and petrochemical pumping. Centrifugal pumps are often chosen for their high flow rate capabilities, abrasive solution compatibility, mixing potential, as well as their relatively simple engineering. A centrifugal fan is commonly used to implement an air handling unit or vacuum cleaner. The reverse function of the centrifugal pump is a water turbine converting potential energy of water pressure into mechanical rotational energy.
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Common uses include water, sewage, agriculture, petroleum, and petrochemical pumping. Centrifugal pumps are often chosen for their high flow rate capabilities, abrasive solution compatibility, mixing potential, as well as their relatively simple engineering. A centrifugal fan is commonly used to implement an air handling unit or vacuum cleaner. The reverse function of the centrifugal pump is a water turbine converting potential energy of water pressure into mechanical rotational energy.
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Turbomachinery, in mechanical engineering, describes machines that transfer energy between a rotor and a fluid, including both turbines and compressors. While a turbine transfers energy from a fluid to a rotor, a compressor transfers energy from a rotor to a fluid.
These two types of machines are governed by the same basic relationships including Newton's second Law of Motion and Euler's pump and turbine equation for compressible fluids. Centrifugal pumps are also turbomachines that transfer energy from a rotor to a fluid, usually a liquid, while turbines and compressors usually work with a gas.
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These two types of machines are governed by the same basic relationships including Newton's second Law of Motion and Euler's pump and turbine equation for compressible fluids. Centrifugal pumps are also turbomachines that transfer energy from a rotor to a fluid, usually a liquid, while turbines and compressors usually work with a gas.
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A 20-qubit quantum processor has been used to simulate the classical and quantum nature of non-equilibrium phase transitions.
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Turbine is a rotary mechanical device that extracts energy from a fluid flow and converts it into useful work. The work produced can be used for generating electrical power when combined with a generator. A turbine is a turbomachine with at least one moving part called a rotor assembly, which is a shaft or drum with blades attached. Moving fluid acts on the blades so that they move and impart rotational energy to the rotor. Early turbine examples are windmills and waterwheels.
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A new and highly efficient way of detecting the chirality or “handedness” of molecules using tailored laser fields could improve drug development in medicine.
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A miniature battery made from a chain of nanodroplets could be used to power implantable devices.
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A new, streamlined method of “seeing” molecular vibrations could have applications in real-time gas sensing, medical imaging, astronomical surveys and even quantum computing.
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