Download SHELL-AND-TUBE-HEAT-EXCHANGER.xls PDF

TitleSHELL-AND-TUBE-HEAT-EXCHANGER.xls
File Size383.9 KB
Total Pages19
Document Text Contents
Page 2

Shell and Tube Heat Exchanger Design Spreadsheet

Date/Time: 11-Mar-14 8:40 BWG/Tube Wall Thicknesses

8

9

10
Ustart = 1000.00 W/m² °C 11

Then the required transfer A = 41.714 m
2

12

531 13

4 14

134 132.85 15

0.00900 m² 16

0.001254 m³/s

0.139284 m/s

Tube Pitch = 0.015625 m

Pattern = Tri.

0.237 m

0.020363 m²

0.008876 m

0.031660 m³/s

1.55 m/s

6,300

17

0.0070

114

ho = 7,444 W/m² °C

R1 = 0.00013

R2 = 0.00040 For 2 tube passes

R3 = 0.000042

R4 = 0.0087

Overall heat transfer coefficient = 107.9 W/m² °C

Step 6. Shell side heat transfer

coefficient

Area of Shell =

Equivalent Diameter, de =

Prandtl No. =

Volumetric flowrate =

Baffle Spacing =

Shellside Reynolds No., NRe =

Volumetric flow =

Av. Velocity =

Step 3. Start configuring the exchanger. Begin with the assumed overall heat transfer

coefficient to this point:

Number of tubes required =

No. of passes =

Shellside velocity =

Nusselt number =

Segmental baffle cut 25% page number 673 jh =

-

MAS

Area of tubes per pass =

Tubes per pass =

Similer Documents