adapted aircraft gas turbines

... technology level of competing gas turbines, it is important to compare on one definition of this parameter Aircraft engines and aircraft- derivative industrial gas turbines have other definitions ... temperature increases Even with the high gas velocities in gas turbines, NOx emissions will reach 200 parts per million by volume, dry (ppmvd), in gas turbines with conventional combustors and ... reduce the noise generated by the gas turbine Enclosures and Lagging Gas turbines are enclosed for four reasons: noise, heat, fire protection, and visual aesthetics Gas turbines are sometimes provided...

Ngày tải lên: 18/10/2013, 10:15

... Pounder’s marine diesel engines and gas turbines - 8th edn Marine diesel motors Marine gas- turbines I Woodyard, D.F (Douglas F.) II Marine diesel engines and gas turbines 623.8¢723¢6 Library of Congress ... and gas turbines Both modes found favour in warships, however, and aero-derived gas turbines have recently secured firm niches in fast ferry and cruise tonnage A stronger challenge from gas turbines ... cent, is to allow some exhaust gas to be diverted to a power recovery turbine and supplement the main engine effort or drive a generator A range of modern power gas turbines is available to enhance...

Ngày tải lên: 13/02/2014, 16:20

... turbine is not Types of Gas Turbines Aeroderivative gas turbines for stationary power are adapted from their jet and turboshaft aircraft engine counterparts While these turbines are lightweight ... Technology Characterization Gas Turbines Gas turbines need minimum gas pressure of about 100 psig for the smallest turbines with substantially higher pressures for larger turbines and aeroderivative ... mixing systems Many gas turbines are available with either gas or liquid firing capability In general, gas turbines can convert from one fuel to another quickly Several gas turbines are equipped...

Ngày tải lên: 18/03/2014, 02:20

... turbine is not Types of Gas Turbines Aeroderivative gas turbines for stationary power are adapted from their jet and turboshaft aircraft engine counterparts While these turbines are lightweight ... Technology Characterization Gas Turbines Gas turbines need minimum gas pressure of about 100 psig for the smallest turbines with substantially higher pressures for larger turbines and aeroderivative ... mixing systems Many gas turbines are available with either gas or liquid firing capability In general, gas turbines can convert from one fuel to another quickly Several gas turbines are equipped...

Ngày tải lên: 24/03/2014, 05:20

... heavy-duty gas turbine fuel specification (range only indicated) appears in Table 4-3 below Fuel Natural Gas and Liquefied Natural Gas (LNG) Liquefied Petroleum Gas [LPG] Gasification Gases (Air ... processes and are suitable for fuelling gas turbines, for example refinery gases) Constituents of process gases include CH4, H2, CO, and CO2 Other process gases used as gas turbine fuels are byproducts ... -6.7 63.3 49.4 6.7 Gas CnH2n+2 Methane Ethane Gas CnH2n+2 LPG CnH2n+2n Propane LPG CnH2n+2n Butane LPG CnH2n+2n Pentane Gasoline CnH2n+2n n-Heptane Gasoline CnH2n+2n Triptane Gasoline CnH2n+2n...

Ngày tải lên: 20/06/2014, 11:20

... and Michel Moliere, (2009) Gas Turbines and Biodiesel: A clarification of the relative NOx indices of FAME, Gasoil and Natural Gas 42 Gas Turbines cycle to the ideal gas turbine cycle while the ... in gas turbines taking conventional petroleum gasoils and natural gas as reference fuels The adiabatic flame temperature Tf was considered as the major determinant of NOx emissions in gas turbines ... BIG/STIG plant of Fig 6.6 consists of a 53 MW gas turbine plant fuelled by fuel gas (syngas assumed to be largely CH4) from a biogas gasifier and gas clean-up system The adiabatic combustion temperature...

Ngày tải lên: 20/06/2014, 11:20

... has become a standard practice for gas turbines However, the monitoring system always includes another technique, which is specific for gas turbines, namely gas path analysis (GPA) Its algorithms ... At least, it seems to be true for simple cycle gas turbines with gradually changed performance, like the turbines considered in the study 135 Gas Turbine Condition Monitoring and Diagnostics ... crude methanol production, using a open gas turbine system Electricity Cogeneration using an Open Gas Turbine 117 The additional annual depreciation of the gas turbine, new heat exchangers (HEST,...

Ngày tải lên: 20/06/2014, 11:20

... Engineering for Gas Turbines and Power, Vol 125, No 3, pp 634-641 Romessis, C and Mathioudakis, K (2006) Bayesian network approach for gas path fault diagnosis, Journal of Engineering for Gas Turbines ... for gas turbine diagnostics on steady states and transients, Journal of Engineering for Gas Turbines and Power, Vol 129, No 4, pp 977-985 Loboda, I.; Feldshteyn, Ya and Yepifanov, S (2007) Gas ... benefits explain the increasing interest in smallsize generation systems Recently, gas turbines < MWe, defined as micro gas turbines (MGTs), have appeared on the market MGTs are different from large...

Ngày tải lên: 20/06/2014, 11:20

... 165 Micro Gas Turbines CC Steam R EG GC Water GT HRSG EG GT R Electrical Generator Gas Turbine Regenerator GC CC HRSG Gas Compressor Combustion Chamber Heat Recovery ... language review 168 Gas Turbines References Caresana, F.; Pelagalli, L., Comodi, G & Vagni, S (2006); Banco prova per la verifica delle prestazioni di una microturbina a gas ad uso cogenerativo, ... http://www.iea.org/textbase/nppdf/free/2000/distributed2002.pdf, OECD/IEA 2002 ISO (1989) ISO 2314: 1989, Gas turbines - Acceptance tests” Macchi E.; Campanari, S & Silva, P (2005) La Microcogenerazione a gas naturale Polipress ISBN 8873980163 Milano...

Ngày tải lên: 20/06/2014, 11:20

... including low-cycle fatigue, creep, fretting and oxidation Gas turbine designers need analytical methods to extrapolate the limited material 216 Gas Turbines property data, often generated from laboratory ... strain-controlled condition; whereas HCF data are usually used to 226 Gas Turbines assess the component life under elastic stresses For gas turbine engine components, an LCF cycle may represent major ... 9 Life Prediction of Gas Turbine Materials Xijia Wu Institute for Aerospace Research, National Research Council Canada Introduction The advance of gas turbine engines and the increase...

Ngày tải lên: 20/06/2014, 11:20

... In: High Temperature Materials in Gas Turbine: Proceedinds of the Symposium on High Temperature Materials Life Prediction of Gas Turbine Materials 281 in Gas Turbines, Brow, Boveri & Company Limited, ... leading edge Fig 51 Stress relaxation at selected nodes along the leading edge Gas Turbines Life Prediction of Gas Turbine Materials Fig 52 Deformation history at selected nodes along the trailing ... cycles 276 Gas Turbines Fig 57 Stress intensity factors at the surface and the deepest points (a) (b) Fig 58 a) The initial crack profile, and b) the final crack profile Life Prediction of Gas Turbine...

Ngày tải lên: 20/06/2014, 11:20

... k8 Gas turbine fuel gas valve position x12 CC gas fuel flow k9 Inlet fuel gas valves pressure x13 GT fuel gas valve position rate 324 Gas Turbines k10 Heat recovery pressure x14 CC inlet gas ... Diagnosis in a Gas Turbine 315 Fig Gas Turbine Variables Interconnection The GT unit has two gas fuel control valves; the first supplies gas fuel to CC, and the second one supplies gas fuel to heat-recovery ... Exhaust gas temperature x15 CC outlet gas flow k12 Blade path temperature (BPT) x16 CC gas enthalpy k13 Electrical generator power output x17 GT exhaust gas density k14 Heat recovery gas temperature...

Ngày tải lên: 20/06/2014, 11:20

... 12 Comparison of calculated and measured concentration profiles Gas Turbines Life Time Analysis of MCrAlY Coatings for Industrial Gas Turbine Blades (calculational and experimental approach) 343 ... 340 Gas Turbines J Σ = J γ ( x − , τ ) + J γ ( x + , τ ) = ΔC ⋅ dx2 dτ + ΔC ⋅ dx3 + ( x3 − x2 ) dτ dC ... concentrations in a coating depending on time … 1- at T=1000ºС, 2- at T=950ºС, - at T=900ºС 344 ab- Gas Turbines Ni30Co28Cr8AlY Ni30Co28Cr10AlY 200µm thickness on In738LC alloy, 200µm thickness on IN738LC...

Ngày tải lên: 20/06/2014, 11:20

... and Michel Moliere, (2009) Gas Turbines and Biodiesel: A clarification of the relative NOx indices of FAME, Gasoil and Natural Gas 42 Gas Turbines cycle to the ideal gas turbine cycle while the ... in gas turbines taking conventional petroleum gasoils and natural gas as reference fuels The adiabatic flame temperature Tf was considered as the major determinant of NOx emissions in gas turbines ... BIG/STIG plant of Fig 6.6 consists of a 53 MW gas turbine plant fuelled by fuel gas (syngas assumed to be largely CH4) from a biogas gasifier and gas clean-up system The adiabatic combustion temperature...

Ngày tải lên: 21/06/2014, 01:20

... bed The gas phase composition at the CCC outlet was analyzed using a “Kristall2000 M” gas chromatograph The gas probes were also analyzed in parallel using ECOM-AC gas analyzer 88 Gas Turbines ... improvements of the gas turbines The blades in modern aero, marine and industrial gas turbines are manufactured exclusively from Ni - based superalloys A section of a typical gas turbine engine ... of Smartcoatings for Gas Turbines BSE Al Na Zr V S Cr Y O Fig Elemental distribution of 300 μm thick TBC + smart coating (external layer) after hot corrosion studies 76 Gas Turbines BSE Al Na V...

Ngày tải lên: 21/06/2014, 01:20

... has become a standard practice for gas turbines However, the monitoring system always includes another technique, which is specific for gas turbines, namely gas path analysis (GPA) Its algorithms ... At least, it seems to be true for simple cycle gas turbines with gradually changed performance, like the turbines considered in the study 135 Gas Turbine Condition Monitoring and Diagnostics ... crude methanol production, using a open gas turbine system Electricity Cogeneration using an Open Gas Turbine 117 The additional annual depreciation of the gas turbine, new heat exchangers (HEST,...

Ngày tải lên: 21/06/2014, 01:20

... pressure is measured in a pressure controlled header where the gas is stored from a duct that delivers the gas continuously 206 Gas Turbines Time (s) Time (hh:mm:ss) Event 00:00:00 Simulation is ... because the gas control valves tend to stabilise their aperture Table Description of the results for the combustor pressure, according Fig 23 208 Gas Turbines The behaviour of the gas control ... cogenerating nuclear Gas turbine plant-part I: Modeling and Validation Journal Engenneering for Gas Turbines and Power Vol 124, July 2002, pp 725-733 Langston, L.S (2008) Gas turbine industry...

Ngày tải lên: 21/06/2014, 01:20

... 240 Gas Turbines Evolution of material life under thermomechanical loading A gas turbine engine component generally experiences thermomechanical ... have treated the problem in terms of the kinetics of Zener-Stroh-Koehler crack formation 242 Gas Turbines First of all, it should be recognized that the rate of dislocation pile-up accumulation ... dwell fatigue life can be predicted, as shown in Figure 26 (b), in the form of S-N curves 244 Gas Turbines Experimental 0.9 Model 0.8 N d/N 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 100 200 300 400 Dwell...

Ngày tải lên: 21/06/2014, 01:20

... 290 Gas Turbines h σ Coating Ef, αf, vf Substrate Es, αs, vs Fig Scheme of the system substrate/coating ... biaxial compressive stress σb,c for buckling of the circular TGO separate can be expressed as 292 Gas Turbines σ b ,c = Π c Ef −ν f 2 ⎛ hf ⎜ ⎜b ⎝ b ⎞ ⎟ , ⎟ ⎠ (13) where hf is the TGO thickness and ... development of a critical TGO thickness as hc = ( ) YSZ π − ν md KTc ( m − 1) REYSZ , (20) 294 Gas Turbines a) b) Fig a) Radial cracks induced in the TBC; b) Coalescence of radial cracks with the...

Ngày tải lên: 21/06/2014, 01:20