Catalyst for the Renaissance of Rail. Journal of Transport History, Vol
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Unit VI Superconductivity JIT Nashik Contents
Unit VI Superconductivity JIT Nashik Contents 1 Superconductivity 1 1.1 Classification ............................................. 1 1.2 Elementary properties of superconductors ............................... 2 1.2.1 Zero electrical DC resistance ................................. 2 1.2.2 Superconducting phase transition ............................... 3 1.2.3 Meissner effect ........................................ 3 1.2.4 London moment ....................................... 4 1.3 History of superconductivity ...................................... 4 1.3.1 London theory ........................................ 5 1.3.2 Conventional theories (1950s) ................................ 5 1.3.3 Further history ........................................ 5 1.4 High-temperature superconductivity .................................. 6 1.5 Applications .............................................. 6 1.6 Nobel Prizes for superconductivity .................................. 7 1.7 See also ................................................ 7 1.8 References ............................................... 8 1.9 Further reading ............................................ 10 1.10 External links ............................................. 10 2 Meissner effect 11 2.1 Explanation .............................................. 11 2.2 Perfect diamagnetism ......................................... 12 2.3 Consequences ............................................. 12 2.4 Paradigm for the Higgs mechanism .................................. 12 2.5 See also ............................................... -
Opening of Tohoku Shinkansen Extension to Shin Aomori and Development of New Faster Carriages—Overview of Series E5/E6 Shinichiro Tajima
Expansion of High-Speed Rail Services Opening of Tohoku Shinkansen Extension to Shin Aomori and Development of New Faster Carriages—Overview of Series E5/E6 Shinichiro Tajima Introduction FASTECH 360 Z were started in June 2010. These carriages will be coupled with Series E5 carriages in commercial In preparation for the December 2010 opening of the Tohoku operation to run at 320 km/h. Shinkansen extension to Shin Aomori, JR East worked steadily from 2002 on technologies to increase speed, Path to Speed Increase finally settling on a commercial operating speed of 320 km/h after various considerations, including running tests using The Tohoku Shinkansen started operation in 1982 at a the FASTECH 360 test train. Furthermore, Series E5 pre- maximum speed of 210 km/h. Today, the commercial production models were built to determine the specifications operation speed is 275 km/h but 20 years have passed since of carriages used for commercial operations; running tests the first 275 km/h operation with Series 200 carriages on the confirmed the final specifications ahead of introduction of the Joetsu Shinkansen in 1990. Full-scale operation at 275 km/h Series E5 in spring 2011. Moreover, Series E6 pre-production started with the introduction of the E3 and E2 at the opening models reflecting development successes using the of the Akita Shinkansen and Nagano Shinkansen in 1997. Figure 1 Path to Speed Increase km/h 450 JNR JR 425 km/h (STAR21, 1993) Max. test speed 400 345.8 km/h (400 series, 1991) 350 319 km/h 320 km/h (961 series, 1979) 300 km/h (2013) (2011) 300 275 km/h (1990) Max. -