Author
Listed:
- Hua Chen
(Zhongyou Liaohe Engineering Co., Ltd., Panjin 124010, China)
- Gang Li
(Zhongyou Liaohe Engineering Co., Ltd., Panjin 124010, China)
- Shengping Wang
(Liaohe Oilfield (Panjin) Gas Storage Co., Ltd., Panjin 124200, China)
- Ning Wang
(Zhongyou Liaohe Engineering Co., Ltd., Panjin 124010, China)
- Lifeng Zhou
(Zhongyou Liaohe Engineering Co., Ltd., Panjin 124010, China)
- Hao Zhou
(Zhongyou Liaohe Engineering Co., Ltd., Panjin 124010, China)
- Yukang Sun
(School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China)
- Lijun Liu
(School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an 710049, China)
AbstractThe inlet operating conditions of centrifugal compressors in natural gas storage reservoirs, as well as the natural gas composition, continuously vary over time, significantly impacting compressor performance. To analyze the influence of these factors on centrifugal compressors, a method for converting the performance curves of centrifugal compressors under actual operating conditions has been established. This performance conversion process is implemented through a custom-developed program, which incorporates the polytropic index and exhaust temperature calculations. Verification results show that the conversion error of this method is within 2%. Based on the proposed performance prediction method for non-similar operating conditions, the effects of varying inlet temperatures, pressures, and natural gas compositions on compressor performance are investigated. It is observed that an increase in inlet temperature results in a decrease in compressor power and pressure ratio; an increase in inlet pressure leads to higher power consumption, while the pressure ratio varies with the flow rate at the operating point; and as the average molar mass of natural gas decreases, both the pressure ratio and power exhibit a certain degree of reduction.
Suggested Citation
Hua Chen & Gang Li & Shengping Wang & Ning Wang & Lifeng Zhou & Hao Zhou & Yukang Sun & Lijun Liu, 2025.
"The Influence of Variable Operating Conditions and Components on the Performance of Centrifugal Compressors in Natural Gas Storage Reservoirs,"
Energies, MDPI, vol. 18(15), pages 1-15, July.
Handle:
RePEc:gam:jeners:v:18:y:2025:i:15:p:3930-:d:1708197
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