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Study of Effect of Gas Turbine and Compressor
Blades Deterioration on the Performance of Gas
Turbine Power Plant
DEPARTMENT OF MECH. ENGG.DEPARTMENT OF MECH. ENGG. DTUDTU
PRESENTATION
on
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BLADE AND C ASC ADE NOMENCLATURE
´ The flow in axial compressor is based on the studies of isolated
(Separated) air foils.
´ Nomenclature methods and blade shape are similar (identical) to the
aircraft wings
´ Cascade: - Involves several (more than two blade) in a row to
simulate on compress rotor or stator
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SPECIMEN COMPRESSOR BLADE
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PROJECT ST ATUS
´ Model prepared from the actual profile of
compressor blade.
´ Modeling of cascade profile is completed.
´ Computational analysis done on cascade
profile by varying attack angle with
maintaining same pitch, velocity for smoothblade.
´ Further post processing is to be performed.
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RESEARCH PLAN CONTD. ««««..
Computation study is to be be carried out to find
out the deterioration of performance, caused byroughness over compressor and turbine bladesurface, selecting entire and localized bladelocations/ surface each for compressor and
turbine
In order to assess the optimal condition of agenerating set especially the degree of
contamination/fouling of compressor andturbine. The deterioration over the blades of actual power plant will be documented.
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RESEARCH PLAN
THE INTERV AL OF S AID
EV ALU ATIONS DEPENDS ON HOW
QUICKLY THECONT AMIN ATION/FOULING OF
THE TURBINE AND COMPRESSOR
PRODUCE AN UNDESIR ABLECH ANGE TO THE POWER
GENER ATING UNIT.
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RESEARCH PLAN
CONTD««««..
Depending on the actual location the deposition
and erosion will be simulated and the effect of
these parameters on the performance of gasturbine will be determined using fluent software,
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PICTORIAL PRESENTATION OF
PERIOD OF RESEARCH IN THE
SUBJECTLiterature review
Work on different
soft wares
Pre Ph.d.
Submission
May 2007 to
Aug. 2007
Aug. 2007 -Oct10 Nov 10 Dec. 2010
June 2011
Writingof
thesis
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PROGRESS SINCE ST ARTING OF PROJECT
WORK
Literature review
D cume--
tati
May 2007 t
Aug. 2007
Aug. 2007 Ja uary 2010
rk iffere t s ft
wares c t --------
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WORK ON SOFT W AREWORK ON SOFT W ARE
The steps has been as follows:1. Exercises on G AMBIT
2. Creating geometry on AUTOC AD
3. Exporting the geometry Created on AUTOC AD into G AMBIT
4. Exporting the geometry Created on
G AMBIT into fluent software
5. Setting the boundary conditions and
visualization of flow in different
configuration or geometries
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WORK UNDER DOCUMENT ATION
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REFERENCES
[1] Baig, M. S., 2000 -2001, ´Causes & Extent of Formationof Contamination / Foulingµ Institution of EngineersPakistan, Saudi Arabian Center
[2] Yadav,R., 2003, Steam & gas turbine, CentralPublishing House Allahbad
[3] Yahya, S.M., 2003 ´Turbine Compressors & Fansµ
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TH ANK
YOU
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