Effect of flow compressibility in convergent-divergent nozzle

: Nozzles come in a range of shapes and sizes based on a purpose such as De Laval nozzle also known as the converging diverging nozzle. Convergent- divergent nozzle is commonly used in modern rocket engines that accelerates at high velocity till the supersonic region Ma>1. This paper aims t...

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Main Authors: Hakimi, Muhammad Adib, Nordin, Normayati
Format: Article
Language:English
Published: FAZ Publishing 2022
Subjects:
Online Access:http://eprints.uthm.edu.my/8113/
http://eprints.uthm.edu.my/8113/1/J14839_3ac193fad75e6aa907bc4750adf5f72b.pdf
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author Hakimi, Muhammad Adib
Nordin, Normayati
author_facet Hakimi, Muhammad Adib
Nordin, Normayati
author_sort Hakimi, Muhammad Adib
building UTHM Institutional Repository
collection Online Access
description : Nozzles come in a range of shapes and sizes based on a purpose such as De Laval nozzle also known as the converging diverging nozzle. Convergent- divergent nozzle is commonly used in modern rocket engines that accelerates at high velocity till the supersonic region Ma>1. This paper aims to investigate numerically the effect of area ratio of the convergent divergent throat and the Mach number from the incompressible flow to compressible flow. The software that were used to simulate cases is ANSYS Computational Fluid Dynamics (CFD) code FLUENT. The area ratio throat (AR= 5mm, 6mm, 7mm, and 8mm) and Mach number (Ma = 0.2, 1.0 and 1.8) was varied to obtain more specific result. The result from this paper has shown that the most effective Mach number and area ratio are at the 0.2 Ma with the AR=5mm According to the findings of this research, the most effective Mach number and area ratio are at 0.2 Ma with AR=5mm. According to the calculations performed in this research, the percentage variation of velocity at 0.2Ma was larger than at 1.0 Ma and 1.8 Ma. This happen cause at the sonic and supersonic flow there is factor that disturb the flow such as the back pressure and normal shock
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spelling uthm-81132022-12-18T02:59:19Z http://eprints.uthm.edu.my/8113/ Effect of flow compressibility in convergent-divergent nozzle Hakimi, Muhammad Adib Nordin, Normayati T Technology (General) : Nozzles come in a range of shapes and sizes based on a purpose such as De Laval nozzle also known as the converging diverging nozzle. Convergent- divergent nozzle is commonly used in modern rocket engines that accelerates at high velocity till the supersonic region Ma>1. This paper aims to investigate numerically the effect of area ratio of the convergent divergent throat and the Mach number from the incompressible flow to compressible flow. The software that were used to simulate cases is ANSYS Computational Fluid Dynamics (CFD) code FLUENT. The area ratio throat (AR= 5mm, 6mm, 7mm, and 8mm) and Mach number (Ma = 0.2, 1.0 and 1.8) was varied to obtain more specific result. The result from this paper has shown that the most effective Mach number and area ratio are at the 0.2 Ma with the AR=5mm According to the findings of this research, the most effective Mach number and area ratio are at 0.2 Ma with AR=5mm. According to the calculations performed in this research, the percentage variation of velocity at 0.2Ma was larger than at 1.0 Ma and 1.8 Ma. This happen cause at the sonic and supersonic flow there is factor that disturb the flow such as the back pressure and normal shock FAZ Publishing 2022 Article PeerReviewed text en http://eprints.uthm.edu.my/8113/1/J14839_3ac193fad75e6aa907bc4750adf5f72b.pdf Hakimi, Muhammad Adib and Nordin, Normayati (2022) Effect of flow compressibility in convergent-divergent nozzle. Journal of Complex Flow, 4 (2). pp. 33-38. ISSN 2672-7374
spellingShingle T Technology (General)
Hakimi, Muhammad Adib
Nordin, Normayati
Effect of flow compressibility in convergent-divergent nozzle
title Effect of flow compressibility in convergent-divergent nozzle
title_full Effect of flow compressibility in convergent-divergent nozzle
title_fullStr Effect of flow compressibility in convergent-divergent nozzle
title_full_unstemmed Effect of flow compressibility in convergent-divergent nozzle
title_short Effect of flow compressibility in convergent-divergent nozzle
title_sort effect of flow compressibility in convergent-divergent nozzle
topic T Technology (General)
url http://eprints.uthm.edu.my/8113/
http://eprints.uthm.edu.my/8113/1/J14839_3ac193fad75e6aa907bc4750adf5f72b.pdf