Advanced design

• How to design an hairpin or double pipe heat exchanger
  Following this guide, you'll be able to design two different types of uncommon heat exchangers: hairpin and double-pipe
• How to design a vapor belt for an heat exchanger
  The vapor belt, or annular distributor, is a component commonly used in heat exchangers to enable a more uniform distribution of fluids or gases at lower velocities. This document outlines how to approach its mechanical design using NextGen.
• How to design a double tubesheet heat exchanger
  By following the TEMA RCB-7.1.2 requirements it is possible to calculate heat exchangers equipped with double tubesheets.
• Low temperature design according to AD 2000 code
  This document outlines the procedures to follow to safely design an equipment operating at sub-zero temperatures, according to the German AD 2000 Code
• Design of adjacent VSR openings beyond 0.8 De of a formed head
  How to overcome the limit in the VSR norm that defines a method to calculate adjacent openings only when they are entirely in the spherical portion of a formed head
• Fatigue Analysis Screening, Method B according to ASME Section VIII div 2 Clause 5.5.2.4
  The fatigue screening allows to determine if a fatigue analysis is required as part of the vessel design. If the screening is satisfied, then a fatigue analysis is not required as part of the vessel design.
• Using the Usage Factor function to calculate the percentage of component utilization
  How to perform a quantitative analysis on pressure parts with the Usage Factor function
• PED compliance for equipments designed according to ASME
  NextGen supports the calculation of pressure vessels and heat exchangers according to the American ASME standards in accordance with the European PED standard
• Maximum Allowable Working Pressure (MAWP) and hydrostatic test pressure calculation
  In this technical study we analyze the impact that the value of the maximum allowable pressure has on the verification of an appliance in hydraulic test conditions
• Vortex shedding calculation according to EN13445 Clause 22.10
  It is possible to calculate the effect of the vortex shedding on the column according to clause 22.10 of EN13445
• Clamp connections
  How to calculate flanges and covers having screw clamps, hinged or eye-bolts
• Item revision system
  NextGen manages calculation revisions, maintaining the original file and the calculation report relating to each revision and adding the relevant information to the report cover page
• How to design supports for stacked equipments
  The support of a vessel or an exchanger could also be subject to the stresses of overlying elements, as in the case of stacked exchangers. In this article we will see how to take this into account, so as to carry out adequate sizing.

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