EngineeringPower Optimizer – a DC to DC converter technology A power optimizer is a DC-to-DC converter device designed to increase energy harvest from solar photovoltaic or wind turbine systems. It is a component used…
EngineeringDC-to-DC Converter A DC-to-DC converter is an electrical or electromechanical device that transforms direct current (DC) from one voltage level to another. Depending on the design and…
EnvironmentAtmospheric Circulation Atmospheric circulation refers to the large-scale flow of air across the Earth caused by temperature and pressure variations. It is the large-scale movement of air…
EngineeringButterfly Valve A butterfly valve is a valve that isolates or controls the flow of fluid. The closing mechanism consists of a rotating disk. It is a…
PhysicsElectromagnetic Forming (EMF) Electromagnetic forming (EMF) is a high-velocity, cold-forming method for electrically conductive metals, most notably copper and aluminum. It is a high-speed forming method that uses…
PhysicsMagnetic Bearing A magnetic bearing is a type of bearing that sustains a load by magnetic levitation. Magnetic bearings provide mechanical support for moving parts without requiring…
EngineeringForward Converter A forward converter is a sort of switching power supply circuit that converts a DC input voltage into a higher or lower DC output voltage.…
GeographyPlate Tectonics Plate tectonics is a scientific hypothesis that describes the large-scale movement of the Earth’s lithosphere. According to scientific theory, the Earth’s lithosphere is made up…
GeographyKey Features and Characteristics of the Continental Crust The continental crust is the layer of Earth’s crust that makes up the continents. The geological continents and the shallow seafloor at their shores, known…
EngineeringDiaphragm Valves Diaphragm valves (or membrane valves) are made up of a valve body with two or more ports, a flexible diaphragm, and a “weir or saddle”…
EnvironmentDroughts in Europe could be Averted by Reducing Emissions Faster According to models, summer rainfall in southern Europe might plummet by up to 48% by 2100 if greenhouse gas emissions continue to rise at their…
EngineeringWetting Current In electrical and electronics engineering, wetting current is the minimal electric current required to break through the surface layer resistance of a contact. It is…