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Application of path homotopy in twin screw compressor rotor profile design.

Number: A1-177

Author(s) : PATIL S., STOSIC N., KOVACEVIC A., SMITH I., ASATI N.

Summary

This work explores application of an idea called `Path Homotopy'  from Topology in twin screw compressor rotor profile design. It is well known that  twin screw rotor profiles impact the overall performance of screw compressors to a  great extent. Almost all the well known profiles that are commercially used in twin  screw compressors are generated out of analytical curves such as circles, lines and  conic sections. Analytical representation has its own advantages in profile design  but it limits the search space of all possible shapes that can be incorporated in  profiles. This work aims at proposing an approach for rotor profiling that sticks  to the analytical nature of curve representation in profiles while simultaneously  extending the search space of curves that can be deployed in the design. Path  homotopy has been identified as one of such approaches. Profile elements can  be defined as homotopies between well known analytical curves (circles, lines and  conic sections) and the homotopy parameter can directly inuence these curves  morphologically in their analytical form itself. In this way, shapes other than  those used traditionally in profiling can be explored in search of the better rotor  profiles.  

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Pages: 10

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Details

  • Original title: Application of path homotopy in twin screw compressor rotor profile design.
  • Record ID : 30028729
  • Languages: English
  • Subject: Technology
  • Source: 12th International Conference on Compressors and their Systems
  • Publication date: 2021/09
  • Document available for consultation in the library of the IIR headquarters only.

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