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An oil heater, also known as an oil-filled heater, oil-filled radiator, or column heater, is a common form of convection heater used in domestic heating. Although filled with oil , it is electrically heated and does not involve burning any oil fuel ; the oil is used as a heat reservoir (buffer).
A radiator is a device that transfers heat to a medium primarily through thermal radiation.In practice, the term radiator is often applied to any number of devices in which a fluid circulates through exposed pipes (often with fins or other means of increasing surface area), notwithstanding that such devices tend to transfer heat mainly by convection and might logically be called convectors.
The Roman hypocaust is an early example of a type of radiator for building space heating. Franz San Galli, a Prussian-born Russian businessman living in St. Petersburg, is credited with inventing the heating radiator around 1855, [1] [2] having received a radiator patent in 1857, [3] but American Joseph Nason and Scot Rory Gregor developed a primitive radiator in 1841 [4] and received a number ...
The Widmer column was developed as a doctoral research project by student Gustav Widmer at ETH Zurich in the early 1920s, combining a Golodetz-type arrangement of concentric tubes and the Dufton-type rod-with-spiral core. It consists of four concentric glass tubes and a central glass rod, with a thinner glass rod coiled around it to increase ...
Attack hose is a fabric-covered, flexible hose used to bring water from the fire pumper to the nozzle. This hose ranges in nominal inside diameter from 1.5 to 3 in (38 to 76 mm) and is designed to operate at pressures up to about 400 psi (2,760 kPa). The standard length is 50 ft (15.24 m). [12] Supply and relay hoses
Sixth of 13 North American X-10s, GM-19312, c/n 6, on Navaho X-10 flight number 16, out of Edwards AFB, California, demonstrates planned automated landing on first AFMTC flight, but drag chute does not deploy after landing. The vehicle overruns the skid strip, the nosewheel collapses in the sand in the overrun, the tanks rupture, and the ...