Length of Pipe = 10 ftPipe No 1 2 3 4

Covering Bare Pipe Paint Silver Chrome Pa

Outside Diameter, in. 1.315 1.315 2.875 3.1875Emissivity 0.88 0.96 0.26 0.16Barometric Pressure [psia] 14.696 14.696 14.696 14.696Steam Pressure [psig] 30 30 30 30

Steam Temperature84 75 79 8387 79 89 9191 90 91 92

Average Steam Temp 87.3 81.3 86.3 88.7Room Temperature 35 35 35 35

33.0 33.0 33.0 33.033.0 33.0 33.0 33.0

Average Room Temp 33.7 33.7 33.7 33.7Time/run [min] 15 15 15 15

85% Magnesia Insulation

Pipe No. 1 2 3 4Trial

Sur

face

Tem

pera

ture

1st

A 108 116 99 61B 107 114 94 61C 112 112 103 62D 110 113 104 66Average 109.25 113.75 100 62.5

2nd

A 115 117 112 57B 115 116 108 62C 119 110 115 62D 117 110 103 64Average 116.5 113.25 109.5 61.25

3rd

A 119 117 104 59B 112 114 108 60C 113 116 104 60D 113 113 112 60Average 114.25 115 107 59.75

113.33 114 105.5 61.17[°F] 236.00 237.20 221.90 142.10

Volume of Condensate (mL) 910 930 940 1070Outside Diameter, in. 1.315 1.315 2.875 3.1875

ft 0.110 0.110 0.240 0.266Room Temperature 33.7 92.66

Emissivity 0.88 0.96 0.26 0.16LE 0 -2.197802 -3.296703 -17.58242

2.525835 2.531105 2.024111 1.5513210.032164 0.035527 0.008182 0.00187

Average Surface Temp [°C]

hc [ Btu/hr.ft^2.°F]hr [ Btu/hr.ft^2.°F]