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Bigi Manuele, Bisio Valentina, Evangelisti Silvia, Giancotti Marco, Milani Alberto, Pellegrini Tiziano
Proc. ASME. GT2022, Volume 9: Supercritical CO2, V009T28A002, June 13–17, 2022
Paper No: GT2022-80658
... envelope of operation and transients was explored. The paper describes engineering groundwork and design choices regarding: i) transient operation such as pressurized startups and emergency shutdowns; ii) safety relief valves and discharge lines, with possible CO 2 solidification; and iii) vibrations due...
Proc. ASME. GT2022, Volume 8A: Structures and Dynamics — Aerodynamics Excitation and Damping; Bearing and Seal Dynamics; Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction, V08AT23A006, June 13–17, 2022
Paper No: GT2022-83889
... additive manufacturing laser powder bed fusion design modelling damping optimization vibrations blade gas turbine turbine engine Abstract Despite nearly 100 years of turbine engine design and development, blade vibrations still remain an important engineering challenge...
Proc. ASME. GT2020, Volume 11: Structures and Dynamics: Structural Mechanics, Vibration, and Damping; Supercritical CO2, V011T30A018, September 21–25, 2020
Paper No: GT2020-14922
...Abstract Abstract The push for low cost and higher performance/efficient turbine engines has introduced a demand for novel technologies to improve robustness to vibrations resulting in High Cycle Fatigue (HCF). There have been many proposed solutions to this, some passive and some active...
Proc. ASME. GT2005, Volume 4: Turbo Expo 2005, 807-814, June 6–9, 2005
Paper No: GT2005-68641
... perform equally well for reducing the rotordynamic amplitudes of vibration. Moreover the WMD were found to have significant advantages over SFD. The damping provided by the wire mesh is independent of temperature changes and presence of turbine oil. Experiments by another investigator showed that WMD...