Tube Shape Inline Diameter 27 24 20 16 12 8 Temp. Diff. Nusselt Nusselt Nusselt Nusselt Nusselt Nusselt 60 10,27690875 9,9306 9,602668125 9,1276875 8,82167625 8,396881875 50 9,81072 9,44625375 9,093920625 8,59892625 8,282435625 7,857084375 40 9,222103125 8,835395625 8,457885 7,944935625 7,6202775 7,201794375 30 8,4426975 8,029378125 7,628799375 7,10879625 6,784408125 6,385095 20 7,3280025 6,8873625 6,4814175 5,985765 5,685474375 5,331875625 10 5,50688625 5,079898125 4,736896875 4,344991875 4,125718125 3,871614375 Diameter 27 24 20 16 12 8 Temp. Diff. vol. Heat vol. Heat vol. Heat vol. Heat vol. Heat vol. Heat 60 1,492235897 1,458409786 1,417147923 1,36621988 1,315127436 1,259032738 50 1,415870769 1,379944954 1,336224924 1,282614458 1,231292354 1,175488095 40 1,321030769 1,282507645 1,236360182 1,180316265 1,129287856 1,074813988 30 1,198 1,156350663 1,108216819 1,051094378 1,001769115 0,950314484 20 1,026756923 0,981902141 0,934211246 0,879917169 0,835830585 0,791010417 10 0,757095385 0,713929664 0,675419453 0,633713855 0,602962519 0,571895833 Diameter 27 24 20 16 12 8 Temp. Diff. FinEffic FinEffic FinEffic FinEffic FinEffic FinEffic 60 0,857528 0,863784 0,868558 0,875353 0,878399 0,883128 50 0,863564 0,870042 0,875106 0,882165 0,885429 0,890251 40 0,871257 0,87794 0,883314 0,890616 0,894116 0,898989 30 0,881388 0,888384 0,894114 0,901547 0,905146 0,909903 20 0,896081 0,903366 0,909275 0,916407 0,919866 0,924099 10 0,920706 0,927658 0,932738 0,938365 0,940937 0,943893 Tube Shape Staggered Diameter 27 24 20 16 12 8 Temp. Diff. Nusselt Nusselt Nusselt Nusselt Nusselt Nusselt 60 22,21138125 21,988125 21,8710125 21,71019375 21,68521875 21,34603125 50 21,7117125 21,49790625 21,37876875 21,19905 21,1221 20,75085 40 21,08750625 20,8848375 20,760975 20,555775 20,41014375 19,99485 30 20,2689 20,07585 19,946925 19,70240625 19,4592375 18,96868125 20 19,1106 18,9131625 18,7646625 18,4447125 18,031275 17,3799 10 17,31155625 16,97506875 16,65059625 16,03465875 15,271605 14,3826975 Diameter 27 24 20 16 12 8 Temp. Diff. vol. Heat vol. Heat vol. Heat vol. Heat vol. Heat vol. Heat 60 2,607851282 2,64567788 2,690455927 2,744889558 2,773728136 2,776190476 50 2,502104615 2,541412844 2,587513678 2,640307229 2,665733133 2,666321429 40 2,370730769 2,4117737 2,459194529 2,509879518 2,530937031 2,52889881 30 2,199630769 2,242324159 2,291438703 2,338915663 2,354112944 2,347123016 20 1,958707692 2,002262997 2,052416413 2,094021084 2,099145427 2,080863095 10 1,565135385 1,603559633 1,646401216 1,667801205 1,654389805 1,62152381 Diameter 27 24 20 16 12 8 Temp. Diff. FinEffic FinEffic FinEffic FinEffic FinEffic FinEffic 60 0,729516 0,730148 0,726667 0,724948 0,721172 0,720703 50 0,735879 0,736271 0,732775 0,731178 0,727739 0,727585 40 0,744021 0,744118 0,740526 0,73911 0,736137 0,736451 30 0,754891 0,754623 0,750904 0,74972 0,747489 0,748553 20 0,771009 0,770083 0,766235 0,765637 0,764651 0,767382 10 0,799007 0,797942 0,794577 0,79608 0,798447 0,804468 Longitudinal Pitch Inline Temp. Diff. 60 50 40 30 20 10 Nusselt Nusselt Nusselt Nusselt Nusselt Nusselt 63 9,870778125 9,4273875 8,86842 8,12818125 7,063993125 5,278989375 68 9,928524375 9,47899125 8,913256875 8,16240375 7,08318 5,289856875 73 10,05247125 9,6009975 9,031753125 8,274031875 7,18372125 5,374738125 78 10,13966438 9,684343125 9,109445625 8,345446875 7,246479375 5,43938625 83 10,18031625 9,722345625 9,142959375 8,3747925 7,2680625 5,451215625 88 10,27702688 9,81095625 9,222525 8,44273125 7,328255625 5,506768125 93 10,32468188 9,859606875 9,26964 8,4844125 7,362376875 5,537581875 98 10,38954938 9,92354625 9,334355625 8,54917875 7,425995625 5,603866875 Temp. Diff. 60 50 40 30 20 10 vol. Heat vol. Heat vol. Heat vol. Heat vol. Heat vol. Heat 63 1,875353333 1,780256 1,66216 1,508773333 1,294272 0,949604 68 1,777559748 1,68685283 1,574396226 1,428113208 1,22360566 0,897415094 73 1,700113095 1,613871429 1,5068125 1,36725 1,171967857 0,860882143 78 1,625384181 1,542908475 1,440440678 1,307062147 1,120508475 0,825274576 83 1,551790323 1,472929032 1,374814516 1,247376344 1,068925806 0,7869 88 1,49225641 1,415895385 1,321076923 1,198010256 1,026792308 0,757083077 93 1,431955882 1,359029412 1,268147059 1,149813725 0,985264706 0,727044118 98 1,378953052 1,308912676 1,221852113 1,108403756 0,950567606 0,703338028 Temp. Diff. 60 50 40 30 20 10 FinEffic FinEffic FinEffic FinEffic FinEffic FinEffic 63 0,861809 0,867667 0,875029 0,884904 0,899374 0,923903 68 0,861387 0,867289 0,874744 0,884658 0,899226 0,92373 73 0,85993 0,86586 0,873331 0,883272 0,897842 0,922477 78 0,858947 0,864933 0,872439 0,882421 0,897038 0,92161 83 0,858595 0,864587 0,872187 0,882224 0,896801 0,921458 88 0,857522 0,863581 0,871272 0,881396 0,896088 0,920638 93 0,857041 0,863065 0,870708 0,880927 0,895638 0,920213 98 0,856183 0,862207 0,869853 0,880039 0,89482 0,919296 Longitudinal Pitch staggered Temp. Diff. 60 50 40 30 20 10 Nusselt Nusselt Nusselt Nusselt Nusselt Nusselt 63 23,46283125 22,96738125 22,35346875 21,54735 20,35665 17,96124375 68 22,96535625 22,46416875 21,8413125 21,04785 19,81006875 17,3772 73 22,54280625 22,03216875 21,3944625 20,55915 19,35039375 16,88023125 78 22,19349375 21,67965 21,0333375 20,18300625 18,94201875 16,45228125 83 21,8980125 21,38535 20,74224375 19,892925 18,6478875 16,1822475 88 21,71019375 21,19905 20,555775 19,70240625 18,4447125 16,03465875 93 21,5665875 21,049875 20,4012 19,53770625 18,25149375 15,9195375 98 21,47191875 20,95250625 20,30011875 19,429875 18,135225 15,88953375 Temp. Diff. 60 50 40 30 20 10 vol. Heat vol. Heat vol. Heat vol. Heat vol. Heat vol. Heat 63 3,707509728 3,566607004 3,391527237 3,162101167 2,831614786 2,245428016 68 3,467224265 3,335691176 3,172251838 2,960612745 2,650680147 2,105713235 73 3,251567944 3,127602787 2,973466899 2,772346109 2,485714286 1,974456446 78 3,061076159 2,944231788 2,798501656 2,608090508 2,33615894 1,854688742 83 2,891161935 2,780876972 2,643509464 2,463774974 2,206750789 1,753725552 88 2,744889558 2,640307229 2,509879518 2,338915663 2,094021084 1,667801205 93 2,61456292 2,514426513 2,389747839 2,226157541 1,99092219 1,590489914 98 2,547934272 2,450112676 2,328302817 2,168422535 1,938732394 1,554014085 Temp. Diff. 60 50 40 30 20 10 FinEffic FinEffic FinEffic FinEffic FinEffic FinEffic 63 0,707352 0,713521 0,721354 0,731909 0,747835 0,780238 68 0,71237 0,71858 0,726439 0,736734 0,752972 0,785095 73 0,716364 0,722629 0,730577 0,741327 0,75729 0,789179 78 0,719862 0,726145 0,734168 0,745016 0,761071 0,792838 83 0,723001 0,729257 0,737197 0,747893 0,763769 0,795022 88 0,724948 0,731178 0,73911 0,74972 0,765637 0,79608 93 0,726537 0,732788 0,740721 0,751364 0,767361 0,797264 98 0,727631 0,73387 0,74181 0,752459 0,76845 0,797613 Transversal Pitch Inline Temp. Diff. 60 50 40 30 20 10 Nusselt Nusselt Nusselt Nusselt Nusselt Nusselt 64 14,74883438 14,35833 13,871925 13,23118125 12,29119313 10,55521125 70 12,05033625 11,60731688 11,0477925 10,29877875 9,19427625 7,23245625 75 10,761795 10,31376375 9,74723625 8,993683125 7,893973125 6,001644375 80 9,870778125 9,4273875 8,86842 8,12818125 7,063993125 5,278989375 85 9,1935675 8,7580575 8,211391875 7,491200625 6,46531875 4,782645 90 8,633030625 8,208421875 7,676623125 6,97973625 5,99565375 4,416001875 95 8,179430625 7,765014375 7,248943125 6,576508125 5,635456875 4,1491575 100 7,769975625 7,368620625 6,869559375 6,22069875 5,319016875 3,918729375 Temp. Diff. 60 50 40 30 20 10 vol. Heat vol. Heat vol. Heat vol. Heat vol. Heat vol. Heat 64 2,80996 2,682192 2,52341 2,3158 2,0202 1,524612 70 2,381866667 2,268664 2,12813 1,944866667 1,686038 1,261452 75 2,101673333 1,998144 1,86946 1,70212 1,466448 1,083664 80 1,875353333 1,780256 1,66216 1,508773333 1,294272 0,949604 85 1,687466667 1,599792 1,49115 1,35036 1,154278 0,84306 90 1,526113333 1,445352 1,34533 1,216081333 1,036928 0,756548 95 1,39034 1,31556 1,22332 1,104548 0,94087 0,687572 100 1,26992 1,200936 1,11589 1,006465333 0,856392 0,627136 Temp. Diff. 60 50 40 30 20 10 FinEffic FinEffic FinEffic FinEffic FinEffic FinEffic 64 0,800394 0,806148 0,813489 0,823498 0,838736 0,867436 70 0,832726 0,838615 0,846139 0,856301 0,871503 0,898593 75 0,849625 0,855507 0,862985 0,873134 0,888058 0,913988 80 0,861809 0,867667 0,875029 0,884904 0,899374 0,923903 85 0,871172 0,876932 0,884145 0,893782 0,907769 0,930852 90 0,879094 0,884681 0,89175 0,901067 0,91445 0,93626 95 0,885562 0,891023 0,897846 0,906783 0,919592 0,940036 100 0,891351 0,896618 0,903216 0,911918 0,924156 0,943422 Transversal Pitch Staggered Temp. Diff. 60 50 40 30 20 10 Nusselt Nusselt Nusselt Nusselt Nusselt Nusselt 56 25,81419375 25,350975 24,81924375 24,19149375 23,3769375 22,0532625 60 25,90515 25,41324375 24,8241375 24,106275 23,161275 21,65265 65 25,7225625 25,2244125 24,61708125 23,84420625 22,810275 21,163275 70 25,2153 24,73453125 24,1444125 23,385375 22,3263 20,49586875 75 24,39855 23,92149375 23,33525625 22,5824625 21,5017875 19,38718125 80 23,46283125 22,96738125 22,35346875 21,54735 20,35665 17,96124375 85 22,43278125 21,91438125 21,2625 20,3927625 19,08073125 16,500375 90 21,4531875 20,9125125 20,22890625 19,30618125 17,9101125 15,23964375 95 20,53603125 19,97949375 19,27681875 18,32844375 16,8912 14,17608 100 19,78509375 19,2169125 18,4987125 17,5321125 16,07274563 13,35573563 Temp. Diff. 60 50 40 30 20 10 vol. Heat vol. Heat vol. Heat vol. Heat vol. Heat vol. Heat 56 4,307185473 4,080435798 3,797568093 3,425901427 2,893171206 2,003548638 60 4,348605707 4,137011673 3,873258755 3,528223087 3,035583658 2,200595331 65 4,288437095 4,096708171 3,857957198 3,545239948 3,100758755 2,342431907 70 4,144811933 3,973579767 3,760233463 3,480557717 3,081050584 2,391381323 75 3,939915694 3,78618677 3,594990272 3,345162127 2,986478599 2,353455253 80 3,707509728 3,566607004 3,391527237 3,162101167 2,831614786 2,245428016 85 3,460551232 3,329976654 3,167149805 2,953242542 2,643910506 2,09944358 90 3,222503243 3,100264591 2,94770428 2,746485084 2,455447471 1,948552529 95 2,999130999 2,884350195 2,741303502 2,552671855 2,279357977 1,804610895 100 2,803981842 2,69555642 2,560398833 2,382451362 2,124902724 1,680050584 Temp. Diff. 60 50 40 30 20 10 FinEffic FinEffic FinEffic FinEffic FinEffic FinEffic 56 0,728275 0,736713 0,747528 0,762646 0,787206 0,838837 60 0,714037 0,722116 0,732467 0,746763 0,769213 0,815953 65 0,703919 0,71139 0,72099 0,733992 0,753821 0,793484 70 0,70086 0,707652 0,7163 0,728012 0,74558 0,780348 75 0,702608 0,708908 0,716885 0,727637 0,74375 0,776337 80 0,707352 0,713521 0,721354 0,731909 0,747835 0,780238 85 0,71537 0,721624 0,729568 0,74036 0,756727 0,789496 90 0,72441 0,730831 0,739026 0,750149 0,767058 0,800042 95 0,734016 0,740536 0,748885 0,760178 0,777262 0,810779 100 0,7422 0,74883 0,757297 0,76872 0,785965 0,819137 Tube Row Number Inline Temp. Diff. 60 50 40 30 20 10 Nusselt Nusselt Nusselt Nusselt Nusselt Nusselt 2 18,21740625 17,82118125 17,32809375 16,68966188 15,7920975 14,21372813 3 16,14360375 15,74731125 15,25599563 14,61537 13,693185 12,001635 4 14,74883438 14,35833 13,871925 13,23118125 12,29119313 10,55521125 5 13,55619375 13,16251688 12,6677925 12,01157438 11,04654375 9,315961875 6 12,73181625 12,3424425 11,8514475 11,20005563 10,2575025 8,6115825 7 11,91528563 11,52306 11,02831875 10,38360938 9,459433125 7,8952725 8 11,35753313 10,97269875 10,49181188 9,8704575 8,986798125 7,503148125 Temp. Diff. 60 50 40 30 20 10 vol. Heat vol. Heat vol. Heat vol. Heat vol. Heat vol. Heat 2 4,126693548 3,989290323 3,81828629 3,595591398 3,279600806 2,730790323 3 3,346042781 3,212427807 3,046590909 2,830249554 2,521783422 1,990449198 4 2,80996 2,682192 2,52341 2,3158 2,0202 1,524612 5 2,389014909 2,267476038 2,11615016 1,918594249 1,640750799 1,193070288 6 2,071050532 1,956090426 1,812865691 1,626684397 1,369109043 0,966103723 7 1,800569476 1,692296128 1,557556948 1,384426727 1,148439636 0,789473804 8 1,58686255 1,484944223 1,358710159 1,197735724 0,980800797 0,657268924 Temp. Diff. 60 50 40 30 20 10 FinEffic FinEffic FinEffic FinEffic FinEffic FinEffic 2 0,754934 0,759571 0,765401 0,773213 0,784823 0,806586 3 0,780596 0,785923 0,79267 0,801745 0,815418 0,841748 4 0,800394 0,806148 0,813489 0,823498 0,838736 0,867436 5 0,819009 0,8252 0,833106 0,843958 0,8602 0,889732 6 0,833637 0,840116 0,848441 0,859705 0,876531 0,905785 7 0,848415 0,855105 0,863717 0,875235 0,891988 0,92028 8 0,860412 0,867237 0,875931 0,88749 0,904145 0,931458 Temp. Diff. 60 50 40 30 20 10 Heat Cross Heat Cross Heat Cross Heat Cross Heat Cross Heat Cross 2 511,71 494,672 473,4675 445,8533333 406,6705 338,618 3 625,71 600,724 569,7125 529,2566667 471,5735 372,214 4 702,49 670,548 630,8525 578,95 505,05 381,153 5 747,7616667 709,72 662,355 600,52 513,555 373,431 6 778,715 735,49 681,6375 611,6333333 514,785 363,255 7 790,45 742,918 683,7675 607,7633333 504,165 346,579 8 796,605 745,442 682,0725 601,2633333 492,362 329,949 Tube Row Number Staggered Temp. Diff. 60 50 40 30 20 10 Nusselt Nusselt Nusselt Nusselt Nusselt Nusselt 2 26,14460625 25,63059375 24,99406875 24,19149375 23,10710625 21,42770625 3 25,54756875 25,02511875 24,384375 23,56914375 22,453875 20,5689375 4 25,7225625 25,2244125 24,61708125 23,84420625 22,810275 21,163275 5 25,371225 24,88303125 24,27721875 23,49388125 22,42485 20,60521875 6 25,09903125 24,6243375 24,03759375 23,28615 22,2881625 20,6134875 7 24,76861875 24,30084375 23,71460625 22,9689 21,97040625 20,1528 8 24,45795 24,00215625 23,43448125 22,7437875 21,80435625 20,058975 Temp. Diff. 60 50 40 30 20 10 vol. Heat vol. Heat vol. Heat vol. Heat vol. Heat vol. Heat 2 5,532900763 5,356198473 5,136564885 4,853180662 4,455114504 3,784282443 3 4,851838488 4,664237113 4,431365979 4,128178694 3,697860825 2,956123711 4 4,288437095 4,096708171 3,857957198 3,545239948 3,100758755 2,342431907 5 3,700880208 3,5109 3,273289063 2,96165625 2,5200625 1,78761875 6 3,180200174 2,995958225 2,765907311 2,465691906 2,044634465 1,375310705 7 2,7197571 2,544775785 2,326973094 2,044730942 1,655549327 1,068766816 8 2,324472823 2,161394892 1,959273084 1,699652914 1,350137525 0,848418468 Temp. Diff. 60 50 40 30 20 10 FinEffic FinEffic FinEffic FinEffic FinEffic FinEffic 2 0,681665 0,686857 0,693378 0,702019 0,714262 0,735297 3 0,694596 0,700913 0,708928 0,71953 0,735199 0,765419 4 0,703919 0,71139 0,72099 0,733992 0,753821 0,793484 5 0,723622 0,732439 0,743878 0,759704 0,784141 0,83233 6 0,746297 0,756349 0,76941 0,787419 0,814958 0,865959 7 0,77149 0,782433 0,796633 0,816072 0,844923 0,893999 8 0,796948 0,80834 0,82297 0,842645 0,870782 0,914936 Temp. Diff. 60 50 40 30 20 10 Heat Cross Heat Cross Heat Cross Heat Cross Heat Cross Heat Cross 2 724,81 701,662 672,89 635,7666667 583,62 495,741 3 941,2566667 904,862 859,685 800,8666667 717,385 573,488 4 1102,128333 1052,854 991,495 911,1266667 796,895 602,005 5 1184,281667 1123,488 1047,4525 947,73 806,42 572,038 6 1218,016667 1147,452 1059,3425 944,36 783,095 526,744 7 1213,011667 1134,97 1037,83 911,95 738,375 476,67 8 1183,156667 1100,15 997,27 865,1233333 687,22 431,845