large industrial 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 ... in gas turbines are of the dynamic type, wherein air is continuously ingested and raised to the required pressure level—usually, but not necessarily, between and 40 atmospheres Larger gas turbines ... 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...

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

... 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 ... provides compelling economics for gas turbine CHP, smaller gas turbines supply prime power in certain applications Large industrial facilities install simple-cycle gas turbines without heat recovery ... temperature Typically aeroderivative gas turbines have higher firing temperatures than industrial gas turbines, but when the higher pressure ratio of aeroderative gas turbines is recognized, the turbine...

Ngày tải lên: 18/03/2014, 02:20

... 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 ... provides compelling economics for gas turbine CHP, smaller gas turbines supply prime power in certain applications Large industrial facilities install simple-cycle gas turbines without heat recovery ... temperature Typically aeroderivative gas turbines have higher firing temperatures than industrial gas turbines, but when the higher pressure ratio of aeroderative gas turbines is recognized, the turbine...

Ngày tải lên: 24/03/2014, 05:20

... management of industrial cooling water systems 2 Biofouling in Cooling Water Intake Systems: Ecological Aspects 15 Biofouling in Industrial Cooling Water Systems Macrofoulants in industrial CWS ... Invasive species: implications for industrial cooling water systems In: Rajagopal S, Jenner HA, Venugopalan VP (eds) Operational and environmental consequences of large industrial cooling water systems ... cooling water required in large amounts by power generation, steel and iron, paper and pulp and oil industries These industries abstract water from natural water bodies in very large amounts, often...

Ngày tải lên: 29/05/2014, 23:46

... Table 4-3 below Fuel Natural Gas and Liquefied Natural Gas (LNG) Liquefied Petroleum Gas [LPG] Gasification Gases (Air Blown) Gasification Gases (Oxygen Blown) Process Gases LHV [MJ/m3] Major Components ... 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 ... 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 ... NOx emissions for a class of Industrial gas turbines Abstracted from GE Power Systems – GER-4311-03/01 Fig 5.9 Typical NOx emissions for a class of Industrial gas turbines Abstracted from GE Power...

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 ... 1996) The two first approaches are typical for monitoring rotating machinery, including gas turbines A gas turbine engine can be considered as a very complex and expensive machine For example,...

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 ... in smallsize generation systems Recently, gas turbines < MWe, defined as micro gas turbines (MGTs), have appeared on the market MGTs are different from large GTs and cannot therefore be considered ... 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...

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 ... to a large value because of the lack of a space aluminium concentration gradient The accumulated in the interdiffusion zone aluminium Life Time Analysis of MCrAlY Coatings for Industrial Gas Turbine ... 340 Gas Turbines J Σ = J γ ( x − , τ ) + J γ ( x + , τ ) = ΔC ⋅ dx2 dτ + ΔC ⋅ dx3 + ( x3 − x2 ) dτ dC...

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 ... 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 ... NOx emissions for a class of Industrial gas turbines Abstracted from GE Power Systems – GER-4311-03/01 Fig 5.9 Typical NOx emissions for a class of Industrial gas turbines Abstracted from GE Power...

Ngày tải lên: 21/06/2014, 01:20

... with requisite combination of properties largely dictates performance improvements of the gas turbines The blades in modern aero, marine and industrial gas turbines are manufactured exclusively ... 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 ... essential for advanced gas turbines for their increased efficiency Therefore, it is a potential bond coating for advanced gas turbines of different types i.e aero, marine and industrial for their...

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 ... 1996) The two first approaches are typical for monitoring rotating machinery, including gas turbines A gas turbine engine can be considered as a very complex and expensive machine For example,...

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