Fusion Power Density

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Fusion Power Density is the power generated per unit volume in a controlled thermonuclear plasma. Using a deuterium reaction at a density of 10¹⁶ particles per cubic centimeter and a temperature of 60,000 volts, the power density is about 1000 watts per cubic centimeter. The energy comes off as kinetic energy of the reaction products.

References

This article is based on NASA's Dictionary of Technical Terms for Aerospace Use