PCC SOFTWARE

Software for creation of pipe classes and mechanical calculation of piping components. Read more ...

VES SOFTWARE

Software for the design and mechanical calculation of pressure vessels and heat exchangers. Read More ...

FLG SOFTWARE

The presentation shows the calculation of a standard piping flange in the VES application. Read more ...

Tubesheet Layout

Shell and tube heat exchangers are complex and more expensive than ordinary pressure vessels. Also the strength calculation is more difficult. Part of the design process includes the determination of the amount of tubes to be used in the heat exchanger. The number and length of the tubes create the area through which the heat is transferred from one process medium to the other. The outside of the shell and tube heat exchanger is mostly a cylindrical form which make the calculation by hand for the amount of tubes difficult. The number of tubes and the dimensions are required to execute the calculation for the tube sheet.

The Tube Sheet Lay-out page facilitates the calculation of the amount of tubes. The calculation can be done for four (4) pitch patterns (how the tubes are laid out) and for ten (10) types of passes (tube compartments).

Tube Sheet Calculation
Shell inside diameter mm (150 - 1500)
Tube outside diameter mm (10 - 52)
Tube pitch mm (TubeOD - 65)
Pitch pattern degree (30, 45, 60 or 90)
Number of passes (1, 2, 4, 6, 8)
Distance tube to shell mm (6 - 60)
Distance pitch from partition groove mm (TubeOD/2 - Pitch*2)
Distance impingement plate mm (0 - Shell ID/3)
     

 
     
Note: calculation in some cases corrects for symmetry which can result in differences in tubesheet layout and number of tubes per pass. Correction for items such as tie-rods and sliding plates are not included.
No warranty and for study purposes only. Results should be optimized, checked and approved by qualified engineer.

Tubesheet sketch, with shell inside diameter and tubes (not to scale):

Number of tubes=55 Outl.tubes(mm)=3291.6037027987 Red -Bag OTL(mm)=199.3275637732


Piping Design

Advanced Piping Design book from Gulf Publishing Company for which Red-Bag provided the co-author.

Overview of Library

The Library section of the Red-Bag website contains information for the process industry. Read more ...

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