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Aspen FRAN
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                                                                           Aspen FRAN

      Simulates the performance of shell & tube feedwater heaters where boiler feed is heated by steam or condensate for power applications

     Aspen FRAN performs the calculations to simulate or check-rate the performance of one-, two-, and three-zone feedwater heaters. Aspen FRAN is a core element of AspenTech's aspenONE? Process Engineering applications

Features

  • Research-Based Correlations : Models and correlations are based on more than 35 years of Aspen HTFS proprietary research, providing the user with assurance of reliable designs.
  • Simulation : Aspen FRAN can be used to determine the heat transfer rate for cases where the heater geometry, steam inlet conditions, and the feedwater mass flow rates are given.
  • Checking (Rating) : Aspen FRAN will calculate the required surface area for each zone when the condensing section operating pressure, the heat transfer rate for each zone, and the drains and feedwater outlet temperatures are provided.
  • Flow-Induced Vibration Checks : Rigorous HTFS research-validated checks are used to identify vibration problems.
  • Heater Geometry :

    •  One-, two- and three-zone heaters of the shell & tube type

    •  Horizontal or vertical orientation

    •  One or two tube passes

    •  Triangular, rotated triangular, square, and rotated square tube layouts

    •  Plain tube type

    •  Rear head can be either U-tube or channel

    •  Single- or double-segmental plate type baffles

    •  Heat transfer and pressure drop correlation details can be supplied for special baffle types

  • Desuperheat and Drain-Cooling Zones

    •  Counter-current or split flow desuperheating section

    •  Drain cooling section, either full-pass or split-pass type

Benefits

  • Improved Design : Aspen FRAN is a comprehensive, easy-to-use tool for the design of feedwater heaters. It enables the more efficient design of new heaters and cost-effective revamp studies. It can also augment or replace in-house tools that are difficult to use and expensive to maintain and update.
  • Improved Process Operations : Aspen FRAN provides the benchmark to assess the effects of operational changes for load optimization and fouling.
  • Increased Engineering Efficiency : The complex interaction of the desuperheating, condensing, and sub-cooling zones with the high-pressure feedwater on the tube-side is modeled with rigor in a user-friendly tool.

 


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