Determination of additional stresses in the crankshaft of a reciprocating compressor caused by forced torsional vibrations at resonance point

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This paper presents the causes of torsional vibrations in a reciprocating compressor unit. The main stages of forced torsional vibration calculation are represented including plotting torque diagrams of the crankshaft, harmonic analysis of resulting torque, determination of torsional vibrations real amplitudes and additional shear stresses calculation caused by torsional vibrations at resonance point. Derivation of the mathematical equation for determining the real amplitudes of torsional vibrations is given in the article based on the equality of the works of external forces exciting torsional vibrations and forces damping the torsional vibrations.

Sobre autores

Pavel Kapustin

Bauman Moscow State Technical University

Autor responsável pela correspondência
Email: pavel.kapustin.1991@gmail.com

Postgraduate Student

Rússia, Moscow

Bibliografia

  1. Vidyakin, Y. A., Dobroklonsky, E. B. and Kondratieva, T. F. (1979), Oppozitnye kompressory [Opposite compressors], 3rd ed., revised and enlarged, Mashinostroenie, Leningrad Department, Leningrad, 279 p., ill. (in Russian).
  2. Zakharchenko, S. E., Anisimov, S. A., Dmitrevsky, V. A., Karpov, G. V. and Fotin B. S. (1979), Porshnevye kompressory [Reciprocating compressors], in Zakharchenko, S. E. (ed.), Mashgiz. Leningrad Department, Leningrad, 279 p., ill. (in Russian).
  3. Ryzhov, B. M. (1963), Aviatsionnye porshnevye kompressory [Aviation reciprocating compressors], Oborongiz, Moscow, 335 pp.: ill. (in Russian).
  4. Fotin, B. S., Pirumov, I. B., Prilutskiy, I. K. and Plastinin, P. I. (1987), Porshnevye kompressory: Uchebnoe posobie dlya studentov vuzov, obuchayushchikhsya po spetsial'nosti “Kholodil'nye i kompressornye mashiny i ustanovki” [Reciprocating compressors: A textbook for university students studying in the specialty "Refrigeration and compressor machines and units"], in Fotin, B. S. (ed.), Mashinostroenie, Leningrad Department, Leningrad, 372 p., ill. (in Russian).
  5. Frenkel, M. I. (1969), Porshnevye kompressory. Teoriya, konstruktsiya i osnovy proektirovaniya [Reciprocating compressors. Theory, design and design principles], 3rd ed., revised and enlarged, Mashinostroenie, 744 p., ill. (in Russian).
  6. Gots, A. N. (2008), Krutil'nye kolebaniya kolenchatykh valov avtomobil'nykh i traktornykh dvigateley: uchebnoe posobie [Torsional vibrations of crankshafts of automobile and tractor engines: a textbook], Publishing house of Vladimir state University, 200 p. (in Russian).
  7. Maslov, G. S. (1968), Raschety kolebaniy valov. Spravochnoe posobie [Calculations of shaft vibrations. Reference manual], Mashinostroenie, Moscow, 272 p. (in Russian).
  8. Istomin, P. A. (1968), Krutil'nye kolebaniya v sudovykh DVS [Torsional vibrations in marine internal combustion engines], Sudostroenie, Leningrad, 303 p. (in Russian).
  9. Krasnokutsky, A. N. (2002), Raschet kolenchatogo vala DVS na krutil'nye kolebaniya: Uchebnoe posobie [Calculation of the internal combustion engine crankshaft for torsional vibrations: Textbook], Publishing house of Bauman Moscow State Technical University, Moscow, 36 p., ill. (in Russian).
  10. STO INTI S.60.1-2023. Porshnevye kompressornye ustanovki dlya neftegazopererabotki i neftekhimii. Obshchie tekhnicheskie usloviya. [Reciprocating compressor units for oil and gas refining and petrochemistry. General specifications]. (in Russian).
  11. Plastinin, P. I. (2000), Porshnevye kompressory. Tom 1. Teoriya i raschet [Reciprocating compressors. Volume 1. Theory and calculation], 3rd ed., suppl, textbooks and teaching aids for students of higher educational institutions, Kolos, Moscow, 456 p.: ill. (in Russian).
  12. Kapustin, P. N. and Degtyareva, T. S. (2022), “Undamped analysis of crankshaft torsional vibrations of a multi-row reciprocating compressor”, Compressor technology and pneumatics, no. 2, pp. 26-30. (in Russian).

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