Data of transient cooling of cylinders: 88.8 89.1 Cylinder materials: Cylinder:PM aluminum (AI), copper (Cu), polyoxymethylene (POM) room temp. = 20.5 Cylinder: Cu room temp. = 20.4 Time Time Temperature Time Time Temperature (second) (minute) (C) (second) (minute) (C) 0 90.0 0 5 89.7 5 88.7 10 99.5 10 20 892 20 869 30 0.5 88.6 30 0.5 85.62 45 812 45 83.9 60 1 1 60 2.0 95.6 75 83.6 75 80.3 90 1.5 91.7 90 1.5 78.6 105 19.6 105 77.0 120 2 71.6 120 2 16.6 150 2.5 13.9 150 2.5 72.6 180 3 180 3 70.3 499 240 4 240 4 4.1 300 5 18.1 300 5 bog 360 6 835 360 6 16.9 480 8 8 44 480 498 600 10 10 33.0 600 720 12 12 720 33.1 39. 900 15 15 29.5 900 342 NO UN Data of transient cooling of cylinders: 88.8 89.1 Cylinder materials: Cylinder:PM aluminum (AI), copper (Cu), polyoxymethylene (POM) room temp. = 20.5 Cylinder: Cu room temp. = 20.4 Time Time Temperature Time Time Temperature (second) (minute) (C) (second) (minute) (C) 0 90.0 0 5 89.7 5 88.7 10 99.5 10 20 892 20 869 30 0.5 88.6 30 0.5 85.62 45 812 45 83.9 60 1 1 60 2.0 95.6 75 83.6 75 80.3 90 1.5 91.7 90 1.5 78.6 105 19.6 105 77.0 120 2 71.6 120 2 16.6 150 2.5 13.9 150 2.5 72.6 180 3 180 3 70.3 499 240 4 240 4 4.1 300 5 18.1 300 5 bog 360 6 835 360 6 16.9 480 8 8 44 480 498 600 10 10 33.0 600 720 12 12 720 33.1 39. 900 15 15 29.5 900 342 NO UN