... mm 2 1 lb/h 0. 126 g/s1ft 2 0.0 93 m 2 1 ton/h 0 .28 2 kg/s1lb/hft 2 1 .35 6 g/s m 2 volume thermal 1in 3 16 ,38 7.1 mm 3 1 Btu/h ft 2 3. 155 W/m 2 1ft 3 0. 028 3 m 3 1 Btu/h ft 2 ◦F 5.678 W/m 2 K1 UK gal ... 0 .26 1 .3 6.5 32 . 5 1 62. 54.00 3. 00 0.18 0.54 1. 62 4.86 14.58 2. 001 .37 5 0 . 23 0 .31 6 0. 435 0.598 0. 822 0.750.67 0.08 0.0 536 0. 035 9 0. 024 1 0.01610.500 .37 0.17 0.0 629 0. 0 23 3 0.0086 0.0 031 90 .25 0.1875 ... nd 2 nd 3 1 20 00 20 00 20 00 3 600 5400 16 ,20 06 140 5040 30 ,24 010 40 4000 40,00014 15 29 40 41,16018 5 1 620 29 ,160 22 2 968 21 ,29 6 = 21 ,968 = 180,056Thus: ds= (180,056 /21 ,968) = 8 .20 ...