Numerical Simulation of Nozzle Flow Field with Secondary Injection Thrust Vector Control

Noaman, H.R.; Tang, Bin; Khalil, Elsayed M.

doi:10.1051/matecconf/201817901003

MATEC Web Conf.

2018

DOI: 10.1051/matecconf/201817901003

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Numerical Simulation of Nozzle Flow Field with Secondary Injection Thrust Vector Control

H.R. Noaman

Bin Tang

Elsayed M. Khalil

Abstract: Numerical simulations are performed to characterize the secondary injection thrust vector control. For this objective the following measurements were taken: considering the flow to be compressible and turbulent using Realizable k-ε turbulence model accompanied by enhanced wall treatment, the comparison between the CFD results and the experimental results shows a very good agreement. Then a parametric study on injection mass flow rate (changing secondary stagnation pressure) with the same injection location and… Show more

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Cited by 3 publications

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“…SITVC Performance Parameters. SITVC performance parameters investigated in the current study include [13,39] (1) Axial thrust augmentation ATA%…”

mentioning

confidence: 99%

Numerical Simulation on the Influence of Injection Location, Injection Angle, and Divergence Half Angle on SITVC Nozzle Flow Field

Noaman

Khalil

2019

International Journal of Aerospace Engineering

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A numerical study has been performed to characterize the nozzle flow field of secondary injection thrust vector control (SITVC) and to estimate the performance parameters of SITVC. After validating the CFD turbulence models with an experimental data, a numerical simulation has been conducted in order to investigate the influence of changing the injection location, the injection angle, and the primary nozzle divergence half angle on the SITVC nozzle flow field structure and on the SITVC performance parameters. The secondary mass flow rate was kept constant for all cases during the simulation. The results showed that downstream injection near the nozzle exit Mp=2.75 increases the high-pressure zone upstream the injection leading to an increase in the side force; also, the higher divergence half angle 15° slightly increases the side force and it provides a wide range of deflection without shock impingement on the opposite wall becoming more effective for SITVC. The injection angle in the upstream direction 135° increases the side force, and by decreasing the injection angle to downstream direction 45°, the side force decreases. However, the SITVC performance parameters and the flow field structure are more influenced by the injection location and the primary nozzle divergence half angle while being less influenced by the injection angle.

show abstract

“…SITVC Performance Parameters. SITVC performance parameters investigated in the current study include [13,39] (1) Axial thrust augmentation ATA%…”

mentioning

confidence: 99%

Numerical Simulation on the Influence of Injection Location, Injection Angle, and Divergence Half Angle on SITVC Nozzle Flow Field

Noaman

Khalil

2019

International Journal of Aerospace Engineering

Self Cite

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Analysis and manipulation of the separation zone in an overexpanded combined exhaust nozzle

Yang

Zhang

Chen

2023

Aerospace Science and Technology

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Analysis and optimization of Dual secondary fuel injector for Thrust vector control

Sharma¹,

Manohar

Mishra³

2022

J. Phys.: Conf. Ser.

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The motive of this analysis is to compare the performance parameters of a single secondary fuel injector and performance of Dual Secondary fuel injector system for Thrust Vector Control (SITVC) in a supersonic nozzle for different distances between the two ports. With the help of Computational Fluid Dynamics (CFD) the performance characteristics of SITVC has been analyzed. Experimental and numerical investigations have been done with various circumstances to examine the performance augmentations of the 2-D nozzle.

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Numerical Simulation of Nozzle Flow Field with Secondary Injection Thrust Vector Control

Cited by 3 publications

References 10 publications

Numerical Simulation on the Influence of Injection Location, Injection Angle, and Divergence Half Angle on SITVC Nozzle Flow Field

Numerical Simulation on the Influence of Injection Location, Injection Angle, and Divergence Half Angle on SITVC Nozzle Flow Field

Analysis and manipulation of the separation zone in an overexpanded combined exhaust nozzle

Analysis and optimization of Dual secondary fuel injector for Thrust vector control

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