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Keywords: surge
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Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. October 2021, 143(10): 101020.
Paper No: GTP-21-1333
Published Online: September 22, 2021
... layouts as fuel cell systems. Instability phenomena limit the operating range of the whole compressor system, especially during fast transients. The target is therefore to extend the minimum flow limit in order to improve the operability of each unit while avoiding compressor surge operation...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. November 2021, 143(11): 111002.
Paper No: GTP-21-1025
Published Online: September 13, 2021
...–volute interaction 0.06 – 0.33 1 – 3 0.06 – 0.99 Hysteresis exists Marshall and Sorokes [ 8 ] Surge 0.45 2 0.90 Vaneless diffuser Kämmer and Rautenberg [ 17 ] 0.22 9 1.98 Vaned diffuser Oaks et al. [ 16 ] 0.80 – 0.90...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. May 2021, 143(5): 051018.
Paper No: GTP-20-1633
Published Online: March 15, 2021
... flow phenomena. Compressors are known to be affected by unstable flow conditions appearing at low mass flowrate conditions. The best known and most dangerous phenomenon is surge, which is a global instability affecting the entire impeller and regions upstream and downstream from it. A list...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2020, 142(12): 121005.
Paper No: GTP-20-1478
Published Online: November 18, 2020
... prior to deep surge and introduces a new approach to identify these disturbances using nonlinear feature extraction algorithms including phase-reconstruction of time-series signals and evaluation of a parameter called approximate entropy. To the best of our knowledge, this is the first time approximate...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2020, 142(12): 121002.
Paper No: GTP-20-1539
Published Online: November 12, 2020
... to rotating stall and surge operations. This analysis was carried out to extend the knowledge about these risk conditions: the systems equipped with large volume size connected to the machine present critical issues related to surge and stall prevention, especially during transient operations toward low mass...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. August 2015, 137(8): 082504.
Paper No: GTP-14-1606
Published Online: August 1, 2015
... Measurement techniques Compressor stall Surge Centrifugal pumps Operability Torsional couplings, while being one of relatively less expensive components of a given rotating machinery system, protect the most expensive components such as motors, pumps, generators, and turbines. Flexible torsional...
Journal Articles
Article Type: Research-Article
J. Eng. Gas Turbines Power. September 2014, 136(9): 092601.
Paper No: GTP-14-1092
Published Online: March 21, 2014
... 21, 2014; published online March 21, 2014. Editor: David Wisler. 14 02 2014 21 02 2014 A hybrid control system has been proposed for compressor surge, which combines the active method with the passive method. A bleed valve was selected as the actuator in the proposed system...