HEAT DISSIPATION CHART

HEAT TRANSMISSION TABLE FOR ONAN COOLING, 21 FLUTE
DESIGN PANEL WIDTH: 520 MM INDICATIVE VALUES
Centre Distance Cooling Surface for section Oil excess temperature in watts per section Weight per section in kgs Oil content per section in ltrs
MM MF 30℃ 40℃ 45℃ 50℃ 55℃ 60℃
800 0.89 264 289 342 388 433 481 8.60 2.48
900 1.00 291 332 376 424 475 531 9.75 2.78
1000 1.12 318 366 416 467 523 585 10.55 3.05
1100 1.22 342 395 445 501 562 625 11.70 3.35
1200 1.33 363 422 477 533 602 668 12.80 3.65
1300 1.44 387 448 508 566 644 711 13.80 3.95
1400 1.53 403 468 531 592 672 744 14.90 4.25
1500 1.64 428 495 559 623 708 782 15.95 4.55
1600 1.75 450 520 586 656 742 821 16.97 5.05
1700 1.88 478 549 620 694 782 867 18.01 5.27
1800 1.99 497 567 647 726 818 903 19.01 5.57
1900 2.10 519 573 672 752 846 941 20.20 5.87
2000 2.23 544 627 705 789 890 981 21.30 6.17
2100 2.34 562 648 730 817 920 1016 22.40 6.47
2200 2.45 581 674 755 843 948 1046 23.50 6.75
2300 2.56 596 694 778 881 976 1078 24.40 7.05
2400 2.67 619 713 804 897 1006 1108 25.50 7.35
2500 2.78 639 737 828 927 1034 1140 26.40 7.70
2600 2.89 659 754 850 954 1061 1170 27.50 8.07
2700 3.02 679 779 879 985 1099 1211 28.60 8.37
2800 3.11 694 793 896 1005 1120 1235 29.50 8.67
2900 3.21 713 812 918 1030 1146 1262 30.60 8.97
3000 3.33 736 836 942 1059 1179 1295 31.60 9.27
3100 3.44 753 857 963 1077 1204 1324 32.50 9.55
3200 3.56 776 879 986 1093 1235 1356 33.40 9.85
3300 3.67 793 895 1009 1108 1259 1384 34.50 10.19
3400 3.78 805 915 1028 1115 1281 1410 35.40 10.39
3500 3.89 821 936 1046 1128 1303 1439 36.50 10.72

CORRECTION FACTORS

Following correction factors will apply for different disposition of 520 mm width Radiators

Vertical distance between core center line and radiator center line (mm) 0 100 200 300 400 500 600 700 800 900 1000
0.8 0.85 0.89 0.925 0.95 0.975 1.0 1.025 1.05 1.075 1.1

 

Horizontal distance
between radiators (mm)
575 600 625 650 675 700 725 750
0.88 0.91 0.93 0.95 0.96 0.97 0.98 1.00

 

Number of sections per radiator 3 4-5 6-8 9-11 12-14 15-17 18-20 21-23 24-26 27-29 30-32
1.119 1.079 1.019 1.0 0.99 0.98 0.97 0.96 0.95 0.94 0.93