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1 Zeszyty Naukowe. Cieplne Maszyny Przepływowe - Turbomachinery / Politechnika Łódzka

1 2011

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The concept of type-series and design of centrifugal compressors

Grzelczak M., Walczak J., Grudziński M.

Zeszyty Naukowe. Cieplne Maszyny Przepływowe - Turbomachinery / Politechnika Łódzka

2011

nr 140

91-96

The paper presents analyses constituting a part of design works connected with development of series of types and structures of radial compressors. Radial compressors are multi-stage and multi-shaft flow machines with unshrouded radial impellers. Preliminary analyses based upon the theory of flow similarity related to a concept of series of types of compressors and were aimed at establishment of particular sizes of series of types of the machines as well as sizes of particular stages. The analyses aimed at determination of various sizes of rotor diameters and rotational speeds used in particular stages. The analysis was aimed at standardization of elements that may be used in structures of stages of machines of various sizes with maintenance of the high level of compression efficiency.