ASSESSMENT OF PERFORMANCE CHARACTERISTICS OF HEAT EXCHANGERS TAKEN INTO ACCOUNT OF NTU INDICATOR

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Abstract

In this work, the performance characteristics of heat exchangers were assessed and the influence of various factors on the weight and size characteristics of heat exchangers of power plants and complexes was determined. The patterns of influence of temperature pressures, properties of the working fluid, temperature levels of heat sources, operating characteristics of the cycle, heat transfer coefficients, heat transfer surface area, flow rate, heat capacity of the working substance, geometric and design parameters of heat exchangers on the performance characteristics of heat exchangers of low-temperature power plants have been established.

About the authors

Ol'ga V. Tremkina

Samara National Research University (Samara University)

Author for correspondence.
Email: tereshchenko.ov@ssau.ru

Assistant at the Department of Heat Engineering and Heat Engines

34, Moskovskoye shosse, Samara, 443086, Russian Federation

Dmitriy A. Uglanov

Samara National Research University (Samara University)

Email: dmitry.uglanov@mail.ru

Doctor of Technical Sciences, Associate Professor, Professor of the Department of Heat Engineering and Heat Engines

34, Moskovskoye shosse, Samara, 443086, Russian Federation

Vladislav I. Shihalev

Samara National Research University (Samara University)

Email: shikhalev.vi@yandex.ru

Master's student at the Department of Heat Engineering and Heat Engines

34, Moskovskoye shosse, Samara, 443086, Russian Federation

References

  1. Tremkina, O.V. (2023), Improving the method for determining the characteristics of low-temperature power plants of aircraft: dissertation, Ph.D. Thesis, Samara University, Samara. (in Russian).
  2. Zhang, L-Z, (2013), Conjugate Heat and Mass Transfer in Heat Mass Exchanger Ducts.
  3. Uglanov, D.A. (2022), Energy-efficient systems for converting low-potential energy of cryogenic products, D. Sc. Thesis, St. Petersburg. (in Russian).
  4. Dovgyallo, A.I., Uglanov, D.A., Vorotyntseva, K.E. and Arkharov, I.A. (2020) "Efficiency of the Rankine cycle subject to obtaining maximum power in relation to a low-temperature power plant using a cryoproduct as a working fluid", Chemical and oil and gas engineering, no. 6, pp. 3-7. (in Russian).
  5. Mikheev, M.A. (1977), Osnovy teploperedachi [Fundamentals of heat transfer], Energy, Moscow. (in Russian).
  6. Isachenko, V.P. (1975), Teploperedacha [Heat transfer], Energy, Moscow. (in Russian).
  7. Berman, S.S. (1959), Teploobmennye apparaty i kondensatsionnye ustroystva turboustanovok [Heat exchangers and condensation devices of turbine units], Mashgiz, Moscow. (in Russian).
  8. Berman, S.S. (1962), Raschet teploobmennykh apparatov [Calculation of heat exchangers], Gosenergoizdat, Moscow. (in Russian).
  9. Gryaznov, N.D., Epifanov, V.M., Ivanov, V.L. and Manushin, E.A. (1985) Teploobmennye ustroystva gazoturbinnyh i kombinirovannyh ustanovok [Heat exchange devices of gas turbine and combined installations], Mashinostroenie [Mechanical Engineering], Moscow. (in Russian).
  10. Tremkina, O.V., Manakova O.A., Uglanov D.A., Blagin E.V. and Pan'shin R.A. (2021), "Assessing the influence of various factors on the efficiency of low-temperature power plants", International scientific and technical conference "Problems and prospects for the development of engine building", dedicated to the 110th anniversary of the birth of general designer N.D. Kuznetsova, vol. 2, pp. 212-213. (in Russian).
  11. Tremkina, O.V., Uglanov, D.A. and Adenan, H. (2022) "Development and creation of unmanned aerial vehicles with a cryogenic power plant", Thermal processes in technology, vol. 14., no. 6, pp. 255-260. (in Russian).

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Copyright (c) 2023 Tremkina O.V., Uglanov D.A., Shihalev V.I.

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Journal of Dynamics and Vibroacoustics

ISSN 2409-4579 (Online)

Publisher and Founder: Samara National Research University, 34, Moskovskoye shosse, Samara, 443086, Russian Federation.

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E. V. Shakhmatov 

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