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Keywords: wet compressionClose
Publisher: American Society of Mechanical Engineers
Proc. ASME. GT2023, Volume 1: Aircraft Engine, V001T01A037, June 26–30, 2023
Paper No: GT2023-103947
... Abstract This work presents a systematic thermodynamic study to identify and assess the effects of wet compression stage conditioning in aeroengines. Similar techniques found in the literature are initially reviewed. The performance of a modern two-spool turbofan engine variant is then modelled...
Proc. ASME. GT2022, Volume 7: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Microturbines, Turbochargers, and Small Turbomachines; Oil & Gas Applications, V007T19A006, June 13–17, 2022
Paper No: GT2022-82114
... speed at the shaft coupling. In addition, the test rig can also be used to investigate the effects of wet compression. For this purpose, a spray nozzle can be installed in front of the impeller’s bell mouth. In order to investigate the influence of temperatures on evaporation rates, a preheater in front...
Proc. ASME. GT2020, Volume 2A: Turbomachinery, V02AT32A042, September 21–25, 2020
Paper No: GT2020-15055
... observed at the rotor tip proving the case for part-span injection from an entropy balance perspective. water injection wet compression entropy efficiency aerodynamic performance axial compressor ENTROPY GENERATION AND EFFICIENCY OF A TRANSONIC ROTOR WITH WATER INJECTION: A NUMERICAL STUDY...
Proc. ASME. GT2013, Volume 5A: Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine; Microturbines, Turbochargers, and Small Turbomachines, V05AT20A002, June 3–7, 2013
Paper No: GT2013-94486
... In this paper, wet compression effects on an eight-stage axial subsonic compressor is simulated by steady numerical methods. Special attention is paid to the compressor design operating condition and rotating stall boundary to contrast and analyze the changes such as the compressor performance...
Proc. ASME. GT2012, Volume 3: Cycle Innovations; Education; Electric Power; Fans and Blowers; Industrial and Cogeneration, 925-937, June 11–15, 2012
Paper No: GT2012-68846
... In this paper, a thorough flow simulation of a small turbojet engine has been carried out to predict the engine performance as a result of water injected at the compressor inlet. Wet compression will not only change compressor performance characteristic map, but also has effects on both...
Proc. ASME. GT2012, Volume 3: Cycle Innovations; Education; Electric Power; Fans and Blowers; Industrial and Cogeneration, 961-977, June 11–15, 2012
Paper No: GT2012-69133
... injection at the rotor tip with and without the wet compression on the compressor performance and its stability have been examined. To achieve the stated objectives, the well tested transonic compressor rotor stage, NASA rotor stage 37, has been numerically simulated. The evaluation of results on various...
Proc. ASME. GT2012, Volume 3: Cycle Innovations; Education; Electric Power; Fans and Blowers; Industrial and Cogeneration, 979-992, June 11–15, 2012
Paper No: GT2012-69158
... with ANSYS CFX software. Wet compression Separated flow Numerical simulation Compressor cascade 1 Copyright © 2012 by ASME THE EFFECTIVE POSITIONS TO INJECT WATER INTO THE CASCADE OF COMPRESSOR Jie Wang, Qun Zheng, Lanxin Sun and Mingcong Luo Harbin Engineering University, Harbin 150001, China E...
Proc. ASME. GT2010, Volume 5: Industrial and Cogeneration; Microturbines and Small Turbomachinery; Oil and Gas Applications; Wind Turbine Technology, 135-156, June 14–18, 2010
Paper No: GT2010-23141
... 11 01 2011 The process of wet compression in an axial compressor is an intricate two-phase flow involving not only heat and mass transfer processes but also droplet breakup and even formation of discontinuous water film on the blade surface and then breaking into droplets...
Proc. ASME. GT2010, Volume 3: Controls, Diagnostics and Instrumentation; Cycle Innovations; Marine, 887-897, June 14–18, 2010
Paper No: GT2010-23492
... Wet compression fuel injection JP-8 axial compressor performance 1 Copyright © 2010 by ASME Proceedings of ASME Turbo Expo 2010: Power for Land, Sea and Air GT2010 June 14-18, 2010, Glasgow, Scottland GT2010-23492 THE EFFECTS OF WET COMPRESSION WITH FUEL INJECTION AT THE GEOMETRY...
Proc. ASME. GT2009, Volume 4: Cycle Innovations; Industrial and Cogeneration; Manufacturing Materials and Metallurgy; Marine, 631-637, June 8–12, 2009
Paper No: GT2009-59738
... 23 02 2010 Concerned with the influence of the size of water droplets on the effect of wet compression, it is important to control the size of water droplets among 5–10 microns or smaller, for this purpose an experimental work is carried out by improve the surface behavior of water...
Proc. ASME. GT2008, Volume 7: Education; Industrial and Cogeneration; Marine; Oil and Gas Applications, 219-236, June 9–13, 2008
Paper No: GT2008-50920
... 04 08 2009 Effects of wet compression on the flow field within a compressor stage, particularly in presence of the separated flow region are not fully understood. Numerical simulations of 3D compressible separated flows within a wet compression compressor stage are carried out using...
Charles Matz, Wolfgang Kappis, Giovanni Cataldi, Gerd Mundinger, Stefan Bischoff, Eivind Helland, Matthias Ripken
Proc. ASME. GT2008, Volume 6: Turbomachinery, Parts A, B, and C, 101-114, June 9–13, 2008
Paper No: GT2008-50166
... during preliminary design studies, at which time during the compressor design process one would logically consider power augmentation through wet compression. The calibrated code features a non-equilibrium thermodynamic single-droplet evaporation model augmented with an empirical splashing model, which...
Proc. ASME. GT2002, Volume 4: Turbo Expo 2002, Parts A and B, 487-496, June 3–6, 2002
Paper No: GT2002-30590
... 05 02 2009 Thermodynamic model of wet compression process is established in this paper. The topics of ideal wet compression process, actual wet compression process, water droplet evaporative rate, wet compression work, inlet evaporative cooling, concept of wet compression efficiency...
Proc. ASME. GT2004, Volume 4: Turbo Expo 2004, 703-712, June 14–17, 2004
Paper No: GT2004-54018
... 25 11 2008 Wet compression Moore-Greitzer stability model is established in this paper. Transient performances of wet compression system are investigated and discussed. The model can be used for instabilities analyses of wet compression gas turbine, and be used for active control...
Giovanni Cataldi, Harald Gu¨ntner, Charles Matz, Tom McKay, Ju¨rgen Hoffmann, Anton Nemet, Stefan Lecheler, Jost Braun
Proc. ASME. GT2004, Volume 4: Turbo Expo 2004, 653-663, June 14–17, 2004
Paper No: GT2004-53788
... E% %56# U 9 C $ 4MM '3/ 0 9 33 =B 6 B B # C D 5 high fogging internal cooling wet compression fogging power augmentation High fogging is a power augmentation device where water...
Proc. ASME. GT2005, Volume 5: Turbo Expo 2005, 289-298, June 6–9, 2005
Paper No: GT2005-68698
... 03 11 2008 The present paper examines the effect of water injection at the compressor inlet or between stages, on its operation. A wet compression model coupled with an engine performance model is used. The wet compression model produces the compressor performance map when water...
Proc. ASME. GT2005, Volume 4: Turbo Expo 2005, 83-90, June 6–9, 2005
Paper No: GT2005-68337
... in this paper. Power augmentation overspray high fogging wet compression 0 al am co h p o lo ev th as te fo in re au tu Proceedings of GT2005 ASME Turbo Expo 2005: Power for Land, Sea and Air June 6-9, 2005, Reno-Tahoe, Nevada, USA1 Copyright © 2005 by ASME .50% to 0.90% for every 1ºC...
Sepehr Sanaye, Hossein Rezazadeh, Mehrdad Aghazeynali, Mehrdad Samadi, Daryoush Mehranian, Mohammad Kazem Ahangaran
Proc. ASME. GT2006, Volume 4: Cycle Innovations; Electric Power; Industrial and Cogeneration; Manufacturing Materials and Metallurgy, 769-776, May 8–11, 2006
Paper No: GT2006-90719
... duct were studied during wet compression in the compressor and the reduction in compressor discharge air temperature was predicted. Finally, the effects of both evaporative cooling in inlet duct, and wet compression in compressor, on the power output, and turbine exhaust temperature of a gas turbine...
Proc. ASME. GT2006, Volume 4: Cycle Innovations; Electric Power; Industrial and Cogeneration; Manufacturing Materials and Metallurgy, 683-691, May 8–11, 2006
Paper No: GT2006-90427
... nature and water acceleration. The efficiency degradation is proportional to the water ratio entering the engine. water injection wet compression two phase flow the moist gas turbin efficiency demand u inlet air c inside the For t performan Utamura e Altho injection, to under operation In th...
Proc. ASME. GT2006, Volume 4: Cycle Innovations; Electric Power; Industrial and Cogeneration; Manufacturing Materials and Metallurgy, 693-701, May 8–11, 2006
Paper No: GT2006-90482
... concerning the wet-compression process. Current operational margins limit the vapor mass fraction to 1∼2% by mass of the inlet flow. Yet, machines specifically designed to accommodate higher mass fractions are conceivable. Our aim is to explain the theoretical limits of those machines via a heat and mass...