ABSTRACT
Rollcoolingduringidletime-Therollradialthermalexpansionduringcooling!':,Rcforvarious rangesoftherolllengthisdeterminedfromEqs.(19-19)through(19-22)andEqs.(19-27)and(19-28) afterthefollowingsubstitutionsintheseequationsaremade:
Y=Yc=j24k(t-t0 )+y0 2 T=Tc=(To-Ta)e-v(t-to)
(19-29)
(19-30)
where Yo, t0 , T 0 = initial values for y, t, and T when cooling is started.