Development of the scientific and technical base for the creation of refrigeration machines with centrifugal compressors

Cover Page

Cite item

Full Text

Abstract

The development of the scientific and technical base for the creation of refrigeration machines with refrigeration centrifugal compressors was started by VNIIkholodmash together with Kazankompressormash OJSC from the mid-70s with the assistance of VB Shnepp Research Institute.

About the authors

I. Ya. Sukhomlino

Department of turbocompressor machines

Author for correspondence.
Email: info@eco-vector.com

Doctor of Engineering, Sciences

Russian Federation

D. L. Slavutsky

Department of turbocompressor machines

Email: info@eco-vector.com

Doctor of Engineering, Sciences

Russian Federation

M. V. Golovi

Department of turbocompressor machines

Email: info@eco-vector.com

Ph.D. Sciences

Russian Federation

References

Supplementary files

Supplementary Files
Action
1. JATS XML
Download
2. Fig.1. The field of optimal parameters of stages for refrigeration centrifugal compressors (F flow coefficient; and * opt - isentropic efficiency in full parameters: y - isentropic coefficient of specific work in full parameters: Mc - conditional Mach number): 1 - stage with a spatial impeller; I - stage with impeller ZD; HI, IV - stages with impeller and outlet angle of blades equal to 22 and 32°, respectively

Download (1MB)
Indexing metadata
3. Rice. 2. Comparison of methods for regulating the parameters of a two-stage refrigeration centrifugal compressor as part of a refrigeration machine: Q is the relative cooling capacity (in relation to the nominal one); £ - coefficient of performance; n - relative frequency of rotation of the rotor (in relation to the nominal); lwl is the temperature of the cooling medium at the condenser inlet; tS2 is the temperature of the refrigerant at the outlet of the evaporator; ---------- regulation by turning the diffuser blades at a constant rotor speed; - - regulation using the input control apparatus (VRL); ------- - limit of the control range

Download (913KB)
Indexing metadata
4. Rice. 3. Model sample of a single-stage centrifugal compressor (D= 100mm) on a test bench

Download (1001KB)
Indexing metadata

Copyright (c) 2022 Sukhomlino I.Y., Slavutsky D.L., Golovi M.V.

Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 International License.

Согласие на обработку персональных данных

 

Используя сайт https://journals.rcsi.science, я (далее – «Пользователь» или «Субъект персональных данных») даю согласие на обработку персональных данных на этом сайте (текст Согласия) и на обработку персональных данных с помощью сервиса «Яндекс.Метрика» (текст Согласия).