Air Cooler Thermal Design, Sizing

Air side input:

Stream: Air

Flow rate: kg/hr Actual m^3/sec

Allowable pressure drop, bar:

Fouling factor, m2k/w: 0.000 0.00009 0.00018 0.00035 0.00053 0.0007 0.00176

Entering temperature, C:

Leaving temperature, C:

Tube side input:

Stream: Water Others

Pressure, bar:

Allowable pressure drop, bar:

Fouling factor, m2k/w: 0.000 0.00009 0.00018 0.00035 0.00053 0.0007 0.00176

Entering temperature, C:

Leaving temperature, C:

Geometry & construction

Tube OD, mm. 15.9 22 25.4 31.75

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

Tube wall thickness, mm. 0.89 1.067 1.25 1.65 2.11 2.77

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

Assumed tube bundle length, m: *

Assumed tube bundle width, m: *

Tube inlet connection size, mm. Size, mm 15 18 25 32 40 50 63.5 80 90 100 125 150 200 250

Tube outlet connection size, mm. Size, mm 15 18 25 32 40 50 63.5 80 90 100 125 150 200 250

Fin height, mm. 4.76 6.35 7.94 9.53 11.11 12.7 15.9

Gap between finned tubes in row, in. 1.59 3.18 4.76 6.35 7.94 9.53 11.11 12.7 15.9

Number of rows

Number of passes

Fin thickness, mm. 0.152 0.203 0.254 0.305 0.356 0.406 0.549 0.813 0.889 1.016

Fin style Embedded L-foot Extruded

Fins per meter. 394 157 197 236 276 315 354 433 472

Power details:

Fan efficiency, %:

Motor efficiency, %:

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

Viscocity, cp:

Density, kg/m^3:

Specific heat, kj/kg °C:

Thermal conductivity, watt/(cm °C):

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.