32 C. Jin, I. Potts, D. C. Swailes, M. W. Reeks Fig. 9: Time history of C ′ L , (a) C1,C2 (b) C3,C4 340 350 360 370 380 tu$_{g}$/D 4 3 2 1 0 1 2 3 4 C ′ L ( a ) C1 C2 340 350 360 370 380 tu$_{g}$/D 4 3 2 1 0 1 2 3 4 C ′ L ( b ) C3 C4