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Damper (flow) Opposed blade dampers in a mixing duct. A damper is a valve or plate that stops or regulates the flow of air inside a duct, chimney, VAV box, air handler, or other air-handling equipment. A damper may be used to cut off central air conditioning (heating or cooling) to an unused room, or to regulate it for room-by-room temperature ...
Speed Dependent Damping Control. Speed Dependent Damping Control (also called SD²C) was an automatic damper system installed on late-1980s and early-1990s Cadillac automobiles. This system firmed up the suspension at 25 mph (40 km/h) and again at 60 mph (97 km/h). The firmest setting was also used when starting from a standstill until 5 mph (8 ...
List of counties in Ohio. There are 88 counties in the U.S. state of Ohio. Nine of them existed at the time of the Ohio Constitutional Convention in 1802. [1] A tenth county, Wayne, was established on August 15, 1796, and encompassed roughly the present state of Michigan. [2] During the Convention, the county was opposed to statehood, and was ...
Website. www .pickaway .org. Pickaway County is a county in the U.S. state of Ohio. As of the 2020 census, the population was 58,539. [2] Its county seat is Circleville. [3] Its name derives from the Pekowi band of Shawnee Indians, who inhabited the area. (See List of Ohio county name etymologies .) Pickaway County is part of the Columbus, OH ...
Gatso speed camera. Speed limits are enforced on most public roadways by authorities, with the purpose to improve driver compliance with speed limits.Methods used include roadside speed traps set up and operated by the police and automated roadside 'speed camera' systems, which may incorporate the use of an automatic number plate recognition system.
Ohio county government is the structure of official managerial and legal bodies of the counties of Ohio, USA. It is marked by a loose organization and a diffusion of power, the basic framework not having been changed since the nineteenth century. The Ohio Constitution allows counties to set up a charter government as many cities and villages do ...
A dashpot, also known as a damper[citation needed], is a mechanical device that resists motion via viscous friction. [1] The resulting force is proportional to the velocity, but acts in the opposite direction, [2] slowing the motion and absorbing energy. It is commonly used in conjunction with a spring. The process and instrumentation diagram ...
Control theory is used in control system engineering to design automation that have revolutionized manufacturing, aircraft, communications and other industries, and created new fields such as robotics. Extensive use is usually made of a diagrammatic style known as the block diagram.