NUMERICAL MODELLING OF SUDDEN CONTRACTION IN PIPE FLOW

Engin Gücüyen; Recep Tuğrul Erdem; Ümit Gökkuş

NUMERICAL MODELLING OF SUDDEN CONTRACTION IN PIPE FLOW

Abstract

In the present work, full-scale numerical simulations of incompressible fluid flow through different locations of sudden contractions are studied according to Computational Fluid Dynamics (CFD) technique. Finite Elements Method is used to numerically solve governing equations via the commercial program ABAQUS including CFD code. Four different locations of contraction zone are utilized to determine the effect of location changes on sudden contraction head loss coefficients (KC). Twelve area ratios () are performed for all zones. Three different Reynolds numbers, remain in laminar flow boundaries, are adopted to determine effects of Reynolds number, as well as location effects. The graphs are constituted by results from computing 48 models for each Reynolds number and the study is concluded with 144 models in the end. In this manner, contraction ratio varying coefficients are obtained for four configurations. According to results, the pressure drop values of the same model for varying contraction locations are different. Maximum values of pressure drops are obtained for the second geometry (G2). Combination of maximum pressure drops and minimum velocity values leads to maximum contraction coefficients for G2. While the area coefficients increase, decreasing values of contraction coefficients of different contraction locations (G) converge in connection with the changing values of velocities and pressure drops. It is necessary to entrain to this remark, for increasing area coefficients. It is stated that KC- curves vary due to location change. It is recommended to consider the location varying coefficients while modelling different located contracting flows especially for side contracting flows.

Keywords

References

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Details

Primary Language

English

Subjects

Engineering

Journal Section

Research Article

Authors

Engin Gücüyen This is me
0000-0001-9971-8546
Türkiye

Recep Tuğrul Erdem This is me
0000-0002-8895-7602
Türkiye

Ümit Gökkuş This is me
0000-0002-2422-6392
Türkiye

Publication Date

September 1, 2020

Submission Date

January 31, 2019

Acceptance Date

June 14, 2019

Published in Issue

Year 2019 Volume: 37 Number: 3

IZ

https://izlik.org/JA43GN66NM

Cite

RIS / Bibtex

APA

Gücüyen, E., Erdem, R. T., & Gökkuş, Ü. (2020). NUMERICAL MODELLING OF SUDDEN CONTRACTION IN PIPE FLOW. Sigma Journal of Engineering and Natural Sciences, 37(3), 903-916. https://izlik.org/JA43GN66NM

AMA

1.Gücüyen E, Erdem RT, Gökkuş Ü. NUMERICAL MODELLING OF SUDDEN CONTRACTION IN PIPE FLOW. SIGMA. 2020;37(3):903-916. https://izlik.org/JA43GN66NM

Chicago

Gücüyen, Engin, Recep Tuğrul Erdem, and Ümit Gökkuş. 2020. “NUMERICAL MODELLING OF SUDDEN CONTRACTION IN PIPE FLOW”. Sigma Journal of Engineering and Natural Sciences 37 (3): 903-16. https://izlik.org/JA43GN66NM.

EndNote

Gücüyen E, Erdem RT, Gökkuş Ü (September 1, 2020) NUMERICAL MODELLING OF SUDDEN CONTRACTION IN PIPE FLOW. Sigma Journal of Engineering and Natural Sciences 37 3 903–916.

IEEE

[1]E. Gücüyen, R. T. Erdem, and Ü. Gökkuş, “NUMERICAL MODELLING OF SUDDEN CONTRACTION IN PIPE FLOW”, SIGMA, vol. 37, no. 3, pp. 903–916, Sept. 2020, [Online]. Available: https://izlik.org/JA43GN66NM

ISNAD

Gücüyen, Engin - Erdem, Recep Tuğrul - Gökkuş, Ümit. “NUMERICAL MODELLING OF SUDDEN CONTRACTION IN PIPE FLOW”. Sigma Journal of Engineering and Natural Sciences 37/3 (September 1, 2020): 903-916. https://izlik.org/JA43GN66NM.

JAMA

1.Gücüyen E, Erdem RT, Gökkuş Ü. NUMERICAL MODELLING OF SUDDEN CONTRACTION IN PIPE FLOW. SIGMA. 2020;37:903–916.

MLA

Gücüyen, Engin, et al. “NUMERICAL MODELLING OF SUDDEN CONTRACTION IN PIPE FLOW”. Sigma Journal of Engineering and Natural Sciences, vol. 37, no. 3, Sept. 2020, pp. 903-16, https://izlik.org/JA43GN66NM.

Vancouver

1.Engin Gücüyen, Recep Tuğrul Erdem, Ümit Gökkuş. NUMERICAL MODELLING OF SUDDEN CONTRACTION IN PIPE FLOW. SIGMA [Internet]. 2020 Sep. 1;37(3):903-16. Available from: https://izlik.org/JA43GN66NM