Abstract
Understanding the properties of burning plasmas is one of the key technical issues for the magnetic fusion program as stated in the Magnetic Fusion Program Plan. The planned first step toward gaining this understanding has been the TFTR program whose primary objectives are the following: (1) achieve reactor-level temperatures (10 keV) and densities (1020 m -3) in 2.5 MA plasmas, (2) achieve approximate energy breakeven (Q 1) at reactorlevel fusion power densities (106 W m-3), and (3) gain experience in the solution of engineering problems of a large D-T fusion system. The present TFTR program plan is to fully explore critical physics issues in deuterium plasmas in 1987-89 and then proceed with a D-T program consisting of 100 full-power D-T pulses in 1990. Because of the decision to include the initiation of the Compact Ignition Tokamak (CIT) construction project at PPPL in the FY 1988 Presidential Budget Request, it is important that the Department examine the transition from TFTR to CIT and make appropriate decisions regarding the overall burning plasma physics program.
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