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So-called unducted-fan engines, in which the jet drives a ring of blades, were tested in the 1980s.
Unlike conventional piston engines, in which the up-and-down motion of pistons turns a crankshaft, rotary engines have triangular rotors that rotate within housings, turning eccentric shafts that run through their centers.
Over the next several decades inventors and engineers built engines that used pressure produced by the combustion of fuels rather than a vacuum and engines in which the fuel was compressed before burning.
The Connecticut case is just one manifestation of an anxious backlash against the invasive power of the Internet, a world of Big Data and ever more powerful search engines, in which it seems almost everything is permanently recorded and accessible to almost anyone — potential employers, landlords, dates, predators.
Their operation can be contrasted with that of external-combustion engines (e.g., steam engines), in which the working fluid does not chemically react and energy gain is achieved solely through heat transfer to the working fluid by way of a heat exchanger.
Pubmed/MEDLINE, Scopus, EMBASE, Scimago, EBSCO, and Google Scholar are only a few of the abstracting and indexing institutes, databases, and search engines in which JORT is listed.
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An early type of engine in which the propeller is affixed to the body of the cylinders, which rotate around a stationary crankshaft, is the rotary engine.
Yet a third, Snap.com, is an Internet search engine in which advertisers pay only if customers take an action, rather than simply click to a site.
Which means an Exclusive unless it has the 173bhp, 2.2-litre, twin-turbo, HDi diesel engine, in which case it could be a VTR+.
In 1782, at the height of his inventive powers, he patented the double-acting engine, in which the piston pushed as well as pulled.
A SCRAMJET is more formally known as a supersonic combustion ramjet, a variant of a ramjet air-breathing jet engine in which combustion takes place in supersonic airflow.
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