1. Code Name: RIPLOS

2. Category: V. Source/Sink Codes

3. Responsible Physicist: R. B. White

4. Others involved in code development: None

5. One line description: Rapid estimate of global alpha loss in tokamaks due to stochastic ripple transport.

6. Computer systems which code runs on: Cray

7. Typical running time (if applicable): Various

8. Approximate number of code lines: ~ 500

9. Does this code read data files from another code? Reads ripple data and equilibrium.

10. Does this code produce data files that can be read by another code? . No - produces plot files.

11. 1-2 paragraph description of code: Estimates alpha loss due to ripple induced stochastic transport for tokamaks, putting restrictions on coil design.

12. Similar codes to this code, and distinguishing differences: None.

13. Journal References describing code: R. B. White and H. E.Mynick, Phys. Fluids B5, 980 (1989).

14. New code capabilities planned for next 1-2 years: will be replaced by better capabilities of ORBIT, publication in preparation 1996

15. Code users: S. Jardin, R. Boivin, J. Santarius, H. Mynick

16. Present and recent applications of code: ITER, BPX alpha loss due to ripple

17. Status of code input/output documentation. Check one: (X) does not exist ( ) incomplete ( ) exists

18. Year Code was first used and present frequency of use: 1989 will be replaced

19. Estimate of Man-Years invested in developing code: 1

20. Catagories of usage of Code (Check all that apply): (x ) application code to do analysis and prediction of experiments (x) numerical testbed of theoretical ideas ( ) physics module to be used in integrated moddelling ( ) code for machine design

21. Language code is writen in: fortran

22. Results of intercomparisons with other codes and results of validation against experiments. R. B. White and H. E.Mynick, Phys. Fluids B5, 980 (1989).