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ukaea / PROCESS

PROCESS is a systems code at UKAEA that calculates in a self-consistent manner the parameters of a fusion power plant with a specified performance, ensuring that its operating limits are not violated, and with the option to optimise to a given function of these parameters.
https://ukaea.github.io/PROCESS/
MIT License
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Incorrect outputs when there is no Central Solenoid #1494

Open jonmaddock opened 2 years ago

jonmaddock commented 2 years ago

In GitLab by @mkovari on Dec 3, 2021, 19:22

When no central solenoid is included all of the central solenoid outputs are still present, and some are non-zero!

 (step22010303)      Central Solenoid (M$)                                                                        25.27

 Central solenoid                             0.090           0.180   (ohcth)             

No central solenoid included

 Summary of volt-second consumption by circuit (Wb) :

 circuit       BOP            BOF            EOF

     1        0.000          2.744          2.744
     2        0.000          2.744          2.744
     3        0.000        -21.012        -21.012
     4        0.000        -21.012        -21.012
     5        0.000         -7.567         -7.567
     6        0.000         -7.567         -7.567
 CS coil      0.000         -7.567         -7.567

 Ratio of central solenoid current at beginning of Pulse / end of flat-to (fcohbop)                 9.000E-01     
 Ratio of central solenoid current at beginning of Flat-top / end of flat (fcohbof)                 1.000E+00  OP 

 CS Circuit  - Time point 01 (A)                                          (cst01)                  -0.000E+00     
 CS Circuit  - Time point 02 (A)                                          (cst02)                   0.000E+00     
 CS Circuit  - Time point 03 (A)                                          (cst03)                  -4.802E+06     
 CS Circuit  - Time point 04 (A)                                          (cst04)                  -4.802E+06     
 CS Circuit  - Time point 05 (A)                                          (cst05)                  -4.802E+06     
 CS Circuit  - Time point 06 (A)                                          (cst06)                  -0.000E+00     

 CS ramp-up time burns (s)                                                (tramp.)                  4.428E+01  

 Initial charge time for CS from zero current (s)                         (tramp)                      44.277    
 Reset time to zero current for CS (s)                                    (tqnch)                      44.277
jonmaddock commented 2 years ago

In GitLab by @mkovari on Dec 3, 2021, 20:03

https://ukaeauk-my.sharepoint.com/:u:/g/personal/alexander_pearce_ukaea_uk/ESgxOMVloQBOsUgXsJQ7Kk4Bbj6niScuHyepYtyf3XIXXQ

jonmaddock commented 2 years ago

In GitLab by @mn3981 on May 16, 2022, 08:58

created branch 1493-incorrect-outputs-when-there-is-no-central-solenoid to address this issue