Lecture18 - Fusion reactors Todays research machines Tomorrows reactors ENGRI 1290 1 Lectures objectives Learning about todays fusion research

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ENGRI 1290 1 Fusion reactors Today’s research machines Tomorrow’s reactors
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ENGRI 1290 2 Lecture’s objectives • Learning about today’s fusion research machine • Discovering tomorrow’s fusion reactors
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ENGRI 1290 3 Inertial vs. Magnetic Inertial fusion got its break from lasers. However laser are extremely inefficient at producing light (1%) Magnetic fusion got its break from superconductor. On the other hand superconductor can create large magnetic fields without losses (99.99999999… % efficiency). Plasma heating systems magnetic fusion machines are 40% efficient. For fusion we talk about energy gain Q. Once this gain is larger than 10-20 then we consider that the fuel does not require external energy to fuse. At this point the fusion fuel becomes equivalent to any other fuels like coal, oil or 235 U. energy produced by fusion reactions Q energy injected to keep the fusion reaction alive =
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ENGRI 1290 4 The National Ignition Facility NIF NIF is a research laser facility studying the possibility to produce fusion energy using inertial fusion. NIF is as big as 3 football
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This note was uploaded on 09/14/2011 for the course ENGRI 1290 taught by Professor Gourdain during the Fall '10 term at Cornell University (Engineering School).

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Lecture18 - Fusion reactors Todays research machines Tomorrows reactors ENGRI 1290 1 Lectures objectives Learning about todays fusion research

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