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CHAPTER 5INSTALLED RADIATION: DETERMINING HEAT LOADHEAT LOSSES FROM BARE STEEL PIPE .Based On 70° Surrounding AirDiameterof Pipe(inches)1/23/411-1/41-1/222-1/233-1/24568101214161820Temperature of Pipe °F100 120 150 180 210 240131519232733394652597184107132154181203214236Heat Loss per Lineal Foot of Pipe - BTU per Hour2227344248597084951061291511942382793263663854264050617585104123148168187227267341420491575644678748607490111126154184221250278339398509626732856960101111158210012315217321225230334238146454669785710031173131413851529106131160198224275327393444496603709906111413051527171118021990HEAT LOSSES FROM BARE TARNISHED COPPER TUBEBased On 70° Surrounding Air72Diameterof Pipe(inches)1/43/81/25/83/411-1/41-1/222-1/233-1/245681012Temperature of Pipe °F100 120 150 180 210 240Heat Loss per Lineal Foot of Pipe - BTU per Hour467891114162024283236435166809481013151721252937445159668093120146172141822263037455266789210411814216621526030421283339455566779711713615617421224631738744729374553617590105132160186212238288336435527621374859687997117135171206240274307373432562681802
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