An experimental investigation of soot behavior in a gas turbine combustor

by Andrew Clarence Krug

Publisher: Naval Postgraduate School in Monterey, California

Written in English
Published: Downloads: 85
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  • Aeronautics
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Open LibraryOL25453544M

Experimental Investigation of a RQL Burner With Jet in Cross Flow Fuel Injection: Characterization of the Reacting Flow Field at Realistic Operating Conditions Synchronization During Multi-Mode Thermoacoustic Oscillations in a Liquid-Fueled Gas Turbine Combustor at Elevated Pressure. Mitchell L. Passarelli, J. D. Maxim Cirtwill. @inproceedings{labahninvest, author = {Labahn, Jeffrey and Ma, Peter Chao and Esclapez, Lucas and Ihme, Matthias}, booktitle = {{10th U. S. National Combustion Meeting}}, title = {{Investigation of initial droplet distribution and importance of secondary breakup model on lean blowout predictions of a model gas turbine combustor}}, year.   Within this study a dual-fuel concept was experimentally investigated. The utilized fuels were conventional EN RON95E10 and EN Diesel B7 pump fuels. The engine was a single cylinder Diesel research engine for passenger car application. Except for the installation of the port fuel injection valCited by: 1. @article{osti_, title = {Heat transfer in gas turbine combustors}, author = {Da Graca Carvalho, M and Coelho, P J}, abstractNote = {The present paper is concerned with the prediction of the local flow, heat-transfer, and combustion processes inside a three-dimensional can combustor chamber of a gas turbine. A three-dimensional numerical solution technique is used .

Investigations of the working processes in a gas turbine low-emission combustor operating on the synthesis gas, in which the principle of RQL (Rich-Burn, Quick-Mix, and Lean-Burn) combustion technology is realized, have been performed. Selected concept of a gas turbine combustor can provide higher performance and lower emission of nitrogen oxides and demonstrates Cited by: 1. Simulation of a Gas Turbine Combustor Test Rig using a Reactor Network Approach with Detailed Chemistry - Oleg Bosyi - Master's Thesis - Engineering - Power Engineering - Publish your bachelor's or master's thesis, dissertation, term paper or essay. EXPERIMENTAL APPARATUS A. TEST CELL AND COMBUSTOR The primary test article used in this experiment was a gas turbine combustor (T63) mounted on a test stand (Figures 1 and 2). The TA-5A engine was built by Allison Detroit Diesel and is utilized in several operational aircraft, most notably, the Army 0H-6A helicopter. Experimental and numerical investigation of self-excited combustion oscillations in a scaled gas turbine combustor G. Lartigue a, U. Meier b, c,* a CERFACS, 42, Avenue G. Coriolis, Toulouse, France b DLR, Pfaffenwaldring , D Stuttgart, Germany c Turbomeca, Bordes, France Received 10 July ; accepted 31 October

An experimental investigation of the combustion behavior of solid fuel ramjets Begley, Grant Allan, Jr. Monterey, California. Naval Postgraduate School Combustor pressureoscillations R gasconstant r fuelregressionrate t. burntime b T temperature. This book reports on the combustion research activities carried out within the Collaborative Research Center (SFB) “Flow and Combustion in Future Gas Turbine Combustion Chambers” funded by the German Research Foundation (DFG). This aimed at designing a completely integrated modeling and numerical simulation of the occurring very complex. S. Som, S. K. Aggarwal, “Investigation of Nozzle flow and cavitation characteristics in a Diesel Injector,” Journal of Engineering for Gas Turbine and Power, pp , PDF S. Som, S. K. Aggarwal, “Assessment of Atomization models for diesel engine simulations,” Atomization and Sprays., 19(9): pp , premixed systems currently used in gas turbine combustion chambers, were investigated [5]. In the other one, the objectives were to develop an innovative multiple fuel combustor for small-scale gas turbines, suitable for operating at high-temperatures while maintaining low NOx levels [29]. Although this project is concluded, new work is in.

An experimental investigation of soot behavior in a gas turbine combustor by Andrew Clarence Krug Download PDF EPUB FB2

Experimental Study of the Precessing Vortex Core Impact on the Liquid Fuel Spray in a Gas Turbine Model Combustor Antoine Renaud, Antoine Renaud. Laboratoire EM2C, CNRS, CentraleSupelec, Université Paris-Saclay Investigation on the Acoustic Behavior of a Turbulent Swirl-Stabilized Combustor Fed With Liquid Fuel,”Author: Antoine Renaud, Sébastien Ducruix, Laurent Zimmer.

Sooting ethylene/air flames were investigated experimentally in a dual swirl gas turbine model combustor with good optical access at atmospheric pressure. The goals of the investigations were a detailed characterization of the soot formation and oxidation processes under gas turbine relevant conditions and the establishment of a data base for Cited by:   The DLE (dry low emission) technology has already been used on industrial gas turbine combustor and the NOX emission can be limited to 25 ppmv (@15% O2), but one of the destructive effects is combustion instability.

In this paper, the dynamic and emission characteristics of a DLE gas turbine combustor have been researched in the authors’ Author: Shuangxi Xing, Aibing Fang, Quanbin Song, Yufeng Cui, Yanji Xu, Chaoqun Nie. Show Summary DetailsCited by: 2. Experimental Investigation of the Influence of Combustor Cooling on the Characteristics of a FLOX©-Based Micro Gas Turbine Combustor.

By Jan Zanger, Monz Thomas and Aigner Manfred. Submitted: March 22nd Reviewed: October 16th Published: June 19th DOI: /Cited by: 1. Experimental Investigation of the Influence of Based Micro Gas Turbine Combustor Jan An experimental investigation of soot behavior in a gas turbine combustor book, Monz Thomas and Aigner Manfred Additional information is available at the end of the chapter Uncooled Combustor.

The experimental setup shown in Figure 3 comprises the air and fuel supply, the combustor. Experimental investigation of a spray swirled flame in gas turbine model combustor E. Salaün 1, 2*, An overview of the experimental facility is given in Fig. The burner is equipped with a. technique in gas turbine combustor to enhance the evaporation Experimental Investigation of Dual-Fuel Combustion Characteristics inside a Gas Turbine Combustor Ibrahim, I.

A., Shabaan, M. M., Shehata, M. A., and Farag, T. M The same behavior of. An experimental investigation was conducted to examine the effects of fuel-air ratios, fuel composition, and smoke-suppressant fuel additives on the sooting characteristics of a T combustor.

Multiple-wavelength light transmission and two-angle light-scattering measurements were used to measure the mean soot diameter. Experimental and numerical investigation of self-excited combustion oscillations in a scaled gas turbine combustor. Author links open overlay panel G Lartigue a U Meier b C Bérat c.

Show more. The experimental arrangement as well as the visual appearance of the flame is shown in Fig. by: Gas turbine engineering faces many challenges in the constant strive to increase not only the efficiency of engines but also the various stages of development and design.

Development of combustors have primarily consisted of empirical or semi-empirical modelling combined with experimental by: 2. Dynamical processes in gas turbine combustors play a key role in flame stabilization. Those phenomena are investigated in a gas turbine model combustor for a partially premixed kerosene/air flame at atmospheric pressure (Fig.

The large optical accesses of the combustion chamber enable the application of laser diagnostics. Experimental investigation of high performance and low emission colorless combustion in a micro gas turbine tubular combustor with multi-line of fuel injection located in secondary zone carried.

An experimental study was performed to investigate how a vortex generator affects the combustion and emission characteristics of a swirl-stabilized, premixed flame in a gas-turbine combustor. For the experiments, a small-size radially-swirled, lean-premixed combustor was designed, manufactured, and by: 7.

Experimental study was carried out in an atmospheric pressure, laboratory-scale dump combustor showing features of combustion instabilities. Flame structure and heat release rates were obtained from OH emission spectroscopy.

Qualitative comparisons were made between line —integrated OH chemiluminescence image and Abel—transformed one.

Local Cited by: 3. The management of combustion dynamics in gas turbine combustors has become more challenging as strict NOx/CO emission standards have led to engine operation in a narrow, lean regime. While premixed or partially premixed combustor configurations such as the Lean Premixed Pre-vaporized (LPP), Rich Quench Lean burn (RQL), and Lean Direct Injection (LDI) Author: Rohan M.

Gejji. Experimental and modeling investigation of the effect of air For a confined flow, as in a gas turbine combustor, design methods for both rectangular and cylindrical con- behavior associated with dilution jets in conventional gas turbine. This thesis describes experiments to investigate high-altitude relight of a lean direct injection (LDI) combustor.

The features that make LDI technology less polluting in terms of NOx compared to conventional combustors are expected to impede relight performance. Cranfield’s well-established one-week course in Gas Turbine Combustion is internationally known.

We have a large well recognised team of engineers and scientists in the field of gas turbine combustion, supported by experimental facilities unique in the university sector, allowing combustion research and development. An experimental study was conducted to identify the combustion instability mechanisms of flame-vortex interactions and equivalence ratio fluctuations and to characterize the combined effects of the two mechanisms on self-excited unstable combustion in a swirl-stabilized lean-premixed gas turbine by: 6.

Experimental design, materials and methods. The experiments were carried out using the combustion test rig at the Green Engine laboratory of the University of Salento in Lecce – Italy, where a kW liquid-fueled swirling combustor was used (Fig.

2 a).The burner is a gas-turbine derived combustor, modified for research׳s investigations [.Cited by: 3.

EXPERIMENTAL INVESTIGATION OF AN SOFC OFF-GAS COMBUSTOR FOR HYBRID POWER PLANT USAGE WITH LOW HEATING VALUES REALISED BY NATURAL GAS ADDITION ABSTRACT Rising power demands and the increasing importance of decentralised energy production based on renewable resources require gas turbine systems with flexible.

Experimental Investigation of Inlet-Combustor Isolators for a Dual-Mode Scramjet at a Mach Number of 4 Saied Emami, Carl A.

Trexler, Aaron H. Auslender, and John P. Weidner (NASA-TP) EXPERIMENTAL N INVESTIGATION CF INLET-COMBUSTOR ISOLATORS FOR A OUAL-MOOE SCRAMJETFile Size: 3MB. Venkatesh Iyer, Suresh Iyer, Stephen Dooley, Milton Linevsky, Frederick Dryer, Thomas Litzinger, Christopher Mordaunt and Robert Santoro,"Comparison of sooting propensity of JP-8 with its surrogates in a wick burner and a model gas turbine combustor", Fall Technical Meeting of the Eastern States Section of the Combustion Institute, pp.

Numerical Investigation of the Combustion of Methane Air Mixture in Gas Turbine Can-Type Combustion Chamber Firoj H Pathan, Nikul K Patel, Mihir V Tadvi Abstract — three dimensional numerical investigation of the combustion of methane air mixture in gas turbine Can- combustor by using CFD with CFX solver is presented in this study.

Soot formation and the effect of soot deposit on the performance and integrity on an aero gas turbine combustor has been studied. Defective atomizer or blockage of air passages creates a fuel rich mixture which promotes soot formation in combustor primary by: 7.

The gas turbine industry has become an industry of rapid growth due to its versatile applications and benefits over other methods of power generation.

Gas turbines utilize high temperature, high pressure gases exiting the combustor to spin the turbine blades which power the upstream rotating compressor. This energy output may come inCited by: 1. Anandkumar Makwana, Milton Linevsky, Suresh S Iyer, Robert J Santoro, Thomas Litzinger and Jacqueline O'Connor,"Effects of fuel volatility on emissions in a jet flame and a model gas turbine combustor", Journal of Engineering for Gas Turbines and Power,(3), pp.

purpose of detecting lean blowout in gas turbine combustors, the state probability vector obtained at a condition detection of anomalous behavior in dynamical systems based on symbolic dynamic filtering (SDF) and applied it for detecting model of a generic gas turbine combustor, schematically shown in.

combustor was investigated at atmospheric pressure. The purpose of this study was to analyze the mechanisms that allowed velocity fluctuations to cause fluctuations in the rate of heat release in a gas turbine combustor experiencing combustion instability. Controlled velocity fluctuations were introduced toAuthor: Michael Thomas Szedlmayer.

OBSERVATIONS OF FLAME BEHAVIOR IN A LABORATORY-SCALE PRE-MIXED NATURAL GAS/AIR GAS TURBINE COMBUSTOR FROM CARS TEMPERATURE MEASUREMENTS Paul O. Hedman, Daniel V. Flores, and Thomas H. Fletcher Department of Chemical Engineering, Brigham Young University, Provo, Utah, USA ABSTRACT This objective of this study .experimental efforts undertaken on a novel gas turbine engine cycle combined with a VARS.

The power cycle is unique in that it is both semi-closed and turbocharged, in addition to being recuperated, and is referred to as the High Pressure Regenerative Turbine Engine (HPRTE).

Figure shows the flow path of the HPRTE.Conduct an analysis for a gas turbine combustor using methane, CH4, you can assume the product outlet temperature is K and the air inlet temperature is K on a warm day (35 C) and the fuel enters at ambient temperature.