Residence time of vials in sterilization zone

Dear All,

Please guide me, base for calculating the minimum residence time of vials in sterilization zone (Hot zone) of Tunnel sterilizer.

Sterilization zone dimensions are -1448 mm (L) X 1100 mm (W)

My set parameters are-

Set point -325 Deg. C
Hot zone over shoot -350 Deg. C
Conveyor start temp. - 320 Deg. C
Conveyor stop temp. - 305 Deg. C
Conveyor speed -105 mm/min
Cool zone over shoot - 45 Deg. C
Data Logging time - 1min.

With regards,
Sreekanth.