INTEGRATION OF 2-D FLUID/STRUCTURE COUPLED SYSTEM FOR CALCULATIONS OF TURBOMACHINERY AERODYNAMIC/ AEROELASTIC INSTABILITIES

A numerical approach for calculating self-excited unstable aerodynamic/aeroelastic behaviours in lurbo-machinery blading systems is described. The flow field through a cascade section with multiple blade passages (whole annulus) is governed by the 2-D unsteady Navier-Stokes equations, which are spat...

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Vydané v:International journal of computational fluid dynamics Ročník 3; číslo 3-4; s. 217 - 231
Hlavný autor: HE, L.
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: Taylor & Francis Group 01.12.1994
ISSN:1061-8562, 1029-0257
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Abstract A numerical approach for calculating self-excited unstable aerodynamic/aeroelastic behaviours in lurbo-machinery blading systems is described. The flow field through a cascade section with multiple blade passages (whole annulus) is governed by the 2-D unsteady Navier-Stokes equations, which are spatially discretized by using a finite volume scheme. The motion of each blade section is governed by simple rigid body spring-mass structural dynamic equations with two degrees of freedom ("bending" and "torsion"). The coupled aeroelastic equations are simultaneously integrated in time by using the 4-stage Runge-Kutta scheme. Examples of calculated results for blade rows with rotating stall and stall Mutter are presented.
AbstractList A numerical approach for calculating self-excited unstable aerodynamic/aeroelastic behaviours in lurbo-machinery blading systems is described. The flow field through a cascade section with multiple blade passages (whole annulus) is governed by the 2-D unsteady Navier-Stokes equations, which are spatially discretized by using a finite volume scheme. The motion of each blade section is governed by simple rigid body spring-mass structural dynamic equations with two degrees of freedom ("bending" and "torsion"). The coupled aeroelastic equations are simultaneously integrated in time by using the 4-stage Runge-Kutta scheme. Examples of calculated results for blade rows with rotating stall and stall Mutter are presented.
Author HE, L.
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CitedBy_id crossref_primary_10_1007_s11630_004_0050_3
crossref_primary_10_1007_s11630_001_0038_1
crossref_primary_10_2514_2_5147
crossref_primary_10_1006_jsvi_2001_3981
crossref_primary_10_1016_j_jfluidstructs_2006_12_003
crossref_primary_10_1177_0957650915616004
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crossref_primary_10_1016_S0045_7825_98_00151_0
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Cites_doi 10.2514/3.11291
10.2514/3.51186
10.1115/1.2929209
10.2514/3.51362
10.2514/6.1983-1929
10.1115/1.2927714
10.2514/3.10134
10.2514/3.10521
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References Gerolymos G. A. (CIT0004) 1992
Sisto F. (CIT0012) 1990; 28
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He L. (CIT0009) 1993
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  publication-title: ASME Journal of Turbomachinery
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  doi: 10.2514/3.11291
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  doi: 10.2514/3.51186
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Snippet A numerical approach for calculating self-excited unstable aerodynamic/aeroelastic behaviours in lurbo-machinery blading systems is described. The flow field...
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Title INTEGRATION OF 2-D FLUID/STRUCTURE COUPLED SYSTEM FOR CALCULATIONS OF TURBOMACHINERY AERODYNAMIC/ AEROELASTIC INSTABILITIES
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