Air Cooler Thermal Design, Sizing

Air side input:

Stream: Air

Flow rate: Lb/hr ACFM

Allowable pressure drop, in of water:

Fouling factor, ft2-hr-F/BTU: 0.000 0.0001 0.0002 0.0003 0.0004 0.0005 0.001 0.0015 0.0020 0.0025 0.003> 0.005> 0.008> 0.010>

Entering temperature, F:

Leaving temperature, F:

Tube side input:

Stream: Water Others

Pressure, psig:

Allowable pressure drop, psi:

Fouling factor, ft2-hr-F/BTU: 0.000 0.0001 0.0002 0.0003 0.0004 0.0005 0.001 0.0015 0.0020 0.0025 0.003> 0.005> 0.008> 0.010>

Entering temperature, F:

Leaving temperature, F:

Geometry & construction

Tube OD, in. 0.625 0.75 1.0 1.25

Tube material Copper CU-Ni 90/10 Stainless Steel Carbon Steel Admiralty Titanium

Tube wall thickness, in. 0.035 0.042 0.049 0.065 0.083 0.109

Fin material Aluminum Copper CU-Ni 90/10 Stainless Steel Carbon Steel Admiralty Titanium

Assumed tube bundle length, ft: *

Assumed tube bundle width, ft: *

Tube inlet connection size, in. Size, in 0.5 0.75 1.0 1.25 1.5 2.0 2.5 3.0 3.5 4.0 5.0 6.0 8.0 10.0

Tube outlet connection size, in. Size, in 0.5 0.75 1.0 1.25 1.5 2.0 2.5 3.0 3.5 4.0 5.0 6.0 8.0 10.0

Fin height, in. 0.1875 0.25 0.3125 0.375 0.4375 0.5 0.625

Gap between finned tubes in row, in. 0.0625 0.125 0.1875 0.25 0.3125 0.375 0.4375 0.5 0.625

Number of rows

Number of passes

Fin thickness, in. 0.006 0.008 0.01 0.012 0.014 0.016 0.0216 0.032 0.035 0.04

Fin style Embedded L-foot Extruded

Fins per inch. 10 6 7 8 9 4 11 12

Power details:

Fan efficiency, %:

Motor efficiency, %:

Fill properties @ avarage temperature °F for OTHER than WATER tube side fluids and choose type of fluid :

Viscocity, cp:

Density, Lb/ft3:

Specific heat, Btu/lbm °F:

Thermal conductivity, Btu/(hr ft °F):

Select type of fluid: Hydrocarbon vapor, steam Hydrocarbon liquid (18 to 48 API), MEA/DEA solutions Water/glycol solutions, heat transfer fluids Lube oils, heavy petroleum (10 to 18 API)

*-If boxes are empty, program will calculate length and width based on default face velocity.