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1-8 of 8
Keywords: stall margin
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Proceedings Papers
Proc. ASME. GTINDIA2021, ASME 2021 Gas Turbine India Conference, V001T04A002, December 2–3, 2021
Paper No: GTINDIA2021-75881
... interaction with rotor passage core flow. Six different vortex generator configuration are investigated by varying distance between vortex generator trailing edge and rotor leading edge. Particular vortex generator configuration shows maximum improvement of stall margin and operating range by 5.5% and 76.75...
Proceedings Papers
Proc. ASME. GTINDIA2021, ASME 2021 Gas Turbine India Conference, V001T04A003, December 2–3, 2021
Paper No: GTINDIA2021-75882
... with improves both compressor stall margin as well as stage efficiency. Hence in the current work, as an innovative idea, effect of casing treatment slot along rotor tip mean camber line is investigated on NASA 37 compressor stage. Casing treatment slot with rectangular cross-section was created along the rotor...
Proceedings Papers
Proc. ASME. GTINDIA2021, ASME 2021 Gas Turbine India Conference, V001T04A005, December 2–3, 2021
Paper No: GTINDIA2021-76007
... a , depth of 15.7% C a and skew angle of 60° resulted in the best compressor performance leading to 22.1% stall margin improvement. Subsequently, flow characteristics were studied without and with slots. axial compressor casing treatment axially skewed slots stall margin passive flow control...
Proceedings Papers
Proc. ASME. GTINDIA2019, Volume 2: Combustion, Fuels, and Emissions; Renewable Energy: Solar and Wind; Inlets and Exhausts; Emerging Technologies: Hybrid Electric Propulsion and Alternate Power Generation; GT Operation and Maintenance; Materials and Manufacturing (Including Coatings, Composites, CMCs, Additive Manufacturing); Analytics and Digital Solutions for Gas Turbines/Rotating Machinery, V002T07A003, December 5–6, 2019
Paper No: GTINDIA2019-2572
... and highly three dimensional nature of the ICD flow pattern. Therefore, it is found that component level optimization may not give rise to an equivalent system-level improvement. inter-compressor duct multi-spool compression system fan rotating and stationary wakes stall margin FLOW INTERACTIONS...
Proceedings Papers
Dilipkumar Bhanudasji Alone, Subramani Satish Kumar, Shobhavathy M. Thimmaiah, Janaki Rami Reddy Mudipalli, A. M. Pradeep, Venkat S. Iyengar, Srinivasan Ramamurthy
Proc. ASME. GTINDIA2013, ASME 2013 Gas Turbine India Conference, V001T01A014, December 5–6, 2013
Paper No: GTINDIA2013-3620
... fluctuations at stall in comparison with unstalled condition. The FFT analysis of the raw signals was performed and it was observed that the nature of the rotating stall was abrupt and stall cell travels nearly at half the rotor speed. Transonic axial flow compressor stall margin rotating stall...
Proceedings Papers
Proc. ASME. GTINDIA2013, ASME 2013 Gas Turbine India Conference, V001T01A018, December 5–6, 2013
Paper No: GTINDIA2013-3768
... wake fluid. Considering the positive effects of crenulation in a cascade, it was hypothesized that the same technique would work in a rotating compressor to enhance its performance and stall margin. However, the present CFD simulations on a transonic compressor rotor have given mixed results. Whereas...
Proceedings Papers
Proc. ASME. GTINDIA2012, ASME 2012 Gas Turbine India Conference, 123-130, December 1, 2012
Paper No: GTINDIA2012-9573
... 1 Copyright © 2012 by ASME STALL MARGIN IMPROVEMENT IN A CENTIRIFUGAL COMPRESSOR THROUGH ENDWALL RESHAPING Suhas R. Sope M.S. Ramaiah School of Advanced Studies Bangalore, Karnataka, India Quamber H. Nagpurwala M.S. Ramaiah School of Advanced Studies Bangalore, Karnataka, India ABSTRACT This paper...
Topics:
Compressors
Proceedings Papers
Proc. ASME. GTINDIA2012, ASME 2012 Gas Turbine India Conference, 139-148, December 1, 2012
Paper No: GTINDIA2012-9601
... the slots and the plenum, and ejected at the rotor inlet to energise the low momentum end wall flow. The interaction of main inlet flow and the ejected flow having large tangential component of velocity, had favourable effect on the rotor incidence angle, and hence on rotor stall margin. KEY WORDS Axial...
