Riding the Arc: The Tribology of High-Spee...

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Sprache: Englisch

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Beschreibung

Running a massive steel train at 200 miles per hour requires an enormous amount of continuous electrical power. Delivering that power means dragging a metal arm (the pantograph) across a live, high-voltage overhead wire. At those incredible speeds, the aerodynamic bouncing and intense physical friction should instantly shatter the arm or melt the wire. The only thing preventing this is the extreme tribology of the contact [...] book breaks down the material engineering of the high-speed rail interface. The contact strip must be highly electrically conductive, incredibly heat-resistant, and provide their own dry lubrication. Modern rail networks rely on hyper-engineered carbon-graphite alloys. We explore the mechanical dynamics of maintaining perfectly balanced upward pressure on the overhead line-if the pressure is too low, the connection breaks and creates a destructive, 10,000-degree electrical arc; if the pressure is too high, the wire [...] detail the relentless maintenance and metallurgical innovations required by the Shinkansen and TGV networks to keep this single, fragile point of contact intact through rain, ice, and supersonic aerodynamic drag.Understand the most stressed piece of metal in transportation. A deep dive into the brutal physics of dragging power out of the sky at three hundred kilometers per hour.

Empfohlen (bis):	99
Empfohlen (von):	1
Fachbereich:	Populäre Darstellungen
Genre:	Technik
Rubrik:	Naturwissenschaften & Technik
Medium:	Taschenbuch
ISBN-13:	9783565377275
ISBN-10:	3565377275
Sprache:	Englisch
Autor:	Sanchez, Joseph B.
Hersteller:	epubli
Verantwortliche Person für die EU:	Neopubli GmbH (Imprint: epubli), Köpenicker Str. 154a, D-10997 Berlin, produktsicherheit@epubli.com
Maße:	8 x 210 x 297 mm
Von/Mit:	Joseph B. Sanchez
Gewicht:	0,369 kg