MAJD, Ali ;AHMADI, Ahmad ;KERAMAT, Alireza . Investigation of Non-Newtonian Fluid Effects during Transient Flows in a Pipeline. Strojniški vestnik - Journal of Mechanical Engineering, [S.l.], v. 62, n.2, p. 105-115, june 2018. ISSN 0039-2480. Available at: <https://www.sv-jme.eu/article/investigation-of-non-newtonian-fluid-effects-during-transient-flows-in-a-pipeline/>. Date accessed: 22 dec. 2024. doi:http://dx.doi.org/10.5545/sv-jme.2015.2787.
Majd, A., Ahmadi, A., & Keramat, A. (2016). Investigation of Non-Newtonian Fluid Effects during Transient Flows in a Pipeline. Strojniški vestnik - Journal of Mechanical Engineering, 62(2), 105-115. doi:http://dx.doi.org/10.5545/sv-jme.2015.2787
@article{sv-jmesv-jme.2015.2787,
author = {Ali Majd and Ahmad Ahmadi and Alireza Keramat},
title = {Investigation of Non-Newtonian Fluid Effects during Transient Flows in a Pipeline},
journal = {Strojniški vestnik - Journal of Mechanical Engineering},
volume = {62},
number = {2},
year = {2016},
keywords = {transient pipe flow; generalized Newtonian fluid; shear thinning fluids},
abstract = {A sudden change in the flow rate brings about significant pressure oscillations in the piping system, known as water hammer (fluid hammer). Unsteady flow of a non-Newtonian fluid due to instantaneous valve closure is studied. Power law and Cross models are used to simulate non-Newtonian effects. Firstly, the appropriate governing equations are derived and then, they are solved by a numerical approach. A fourth-order Runge–Kutta scheme is used for the time integration, and the central difference scheme is employed for the spatial derivatives discretization. To verify the proposed mathematical model and numerical solution, a comparison with corresponding experimental results from the literature are made. The results reveal a remarkable deviation in pressure history and velocity profile with respect to the water hammer in Newtonian fluids. The significance of the non-Newtonian fluid behaviour is manifested in terms of the drag reduction and line packing effect observed in the pressure history results. A detailed discussion regarding the fluid viscosity and its shear-stress diagrams are also included.},
issn = {0039-2480}, pages = {105-115}, doi = {10.5545/sv-jme.2015.2787},
url = {https://www.sv-jme.eu/article/investigation-of-non-newtonian-fluid-effects-during-transient-flows-in-a-pipeline/}
}
Majd, A.,Ahmadi, A.,Keramat, A. 2016 June 62. Investigation of Non-Newtonian Fluid Effects during Transient Flows in a Pipeline. Strojniški vestnik - Journal of Mechanical Engineering. [Online] 62:2
%A Majd, Ali %A Ahmadi, Ahmad %A Keramat, Alireza %D 2016 %T Investigation of Non-Newtonian Fluid Effects during Transient Flows in a Pipeline %B 2016 %9 transient pipe flow; generalized Newtonian fluid; shear thinning fluids %! Investigation of Non-Newtonian Fluid Effects during Transient Flows in a Pipeline %K transient pipe flow; generalized Newtonian fluid; shear thinning fluids %X A sudden change in the flow rate brings about significant pressure oscillations in the piping system, known as water hammer (fluid hammer). Unsteady flow of a non-Newtonian fluid due to instantaneous valve closure is studied. Power law and Cross models are used to simulate non-Newtonian effects. Firstly, the appropriate governing equations are derived and then, they are solved by a numerical approach. A fourth-order Runge–Kutta scheme is used for the time integration, and the central difference scheme is employed for the spatial derivatives discretization. To verify the proposed mathematical model and numerical solution, a comparison with corresponding experimental results from the literature are made. The results reveal a remarkable deviation in pressure history and velocity profile with respect to the water hammer in Newtonian fluids. The significance of the non-Newtonian fluid behaviour is manifested in terms of the drag reduction and line packing effect observed in the pressure history results. A detailed discussion regarding the fluid viscosity and its shear-stress diagrams are also included. %U https://www.sv-jme.eu/article/investigation-of-non-newtonian-fluid-effects-during-transient-flows-in-a-pipeline/ %0 Journal Article %R 10.5545/sv-jme.2015.2787 %& 105 %P 11 %J Strojniški vestnik - Journal of Mechanical Engineering %V 62 %N 2 %@ 0039-2480 %8 2018-06-27 %7 2018-06-27
Majd, Ali, Ahmad Ahmadi, & Alireza Keramat. "Investigation of Non-Newtonian Fluid Effects during Transient Flows in a Pipeline." Strojniški vestnik - Journal of Mechanical Engineering [Online], 62.2 (2016): 105-115. Web. 22 Dec. 2024
TY - JOUR AU - Majd, Ali AU - Ahmadi, Ahmad AU - Keramat, Alireza PY - 2016 TI - Investigation of Non-Newtonian Fluid Effects during Transient Flows in a Pipeline JF - Strojniški vestnik - Journal of Mechanical Engineering DO - 10.5545/sv-jme.2015.2787 KW - transient pipe flow; generalized Newtonian fluid; shear thinning fluids N2 - A sudden change in the flow rate brings about significant pressure oscillations in the piping system, known as water hammer (fluid hammer). Unsteady flow of a non-Newtonian fluid due to instantaneous valve closure is studied. Power law and Cross models are used to simulate non-Newtonian effects. Firstly, the appropriate governing equations are derived and then, they are solved by a numerical approach. A fourth-order Runge–Kutta scheme is used for the time integration, and the central difference scheme is employed for the spatial derivatives discretization. To verify the proposed mathematical model and numerical solution, a comparison with corresponding experimental results from the literature are made. The results reveal a remarkable deviation in pressure history and velocity profile with respect to the water hammer in Newtonian fluids. The significance of the non-Newtonian fluid behaviour is manifested in terms of the drag reduction and line packing effect observed in the pressure history results. A detailed discussion regarding the fluid viscosity and its shear-stress diagrams are also included. UR - https://www.sv-jme.eu/article/investigation-of-non-newtonian-fluid-effects-during-transient-flows-in-a-pipeline/
@article{{sv-jme}{sv-jme.2015.2787},
author = {Majd, A., Ahmadi, A., Keramat, A.},
title = {Investigation of Non-Newtonian Fluid Effects during Transient Flows in a Pipeline},
journal = {Strojniški vestnik - Journal of Mechanical Engineering},
volume = {62},
number = {2},
year = {2016},
doi = {10.5545/sv-jme.2015.2787},
url = {https://www.sv-jme.eu/article/investigation-of-non-newtonian-fluid-effects-during-transient-flows-in-a-pipeline/}
}
TY - JOUR AU - Majd, Ali AU - Ahmadi, Ahmad AU - Keramat, Alireza PY - 2018/06/27 TI - Investigation of Non-Newtonian Fluid Effects during Transient Flows in a Pipeline JF - Strojniški vestnik - Journal of Mechanical Engineering; Vol 62, No 2 (2016): Strojniški vestnik - Journal of Mechanical Engineering DO - 10.5545/sv-jme.2015.2787 KW - transient pipe flow, generalized Newtonian fluid, shear thinning fluids N2 - A sudden change in the flow rate brings about significant pressure oscillations in the piping system, known as water hammer (fluid hammer). Unsteady flow of a non-Newtonian fluid due to instantaneous valve closure is studied. Power law and Cross models are used to simulate non-Newtonian effects. Firstly, the appropriate governing equations are derived and then, they are solved by a numerical approach. A fourth-order Runge–Kutta scheme is used for the time integration, and the central difference scheme is employed for the spatial derivatives discretization. To verify the proposed mathematical model and numerical solution, a comparison with corresponding experimental results from the literature are made. The results reveal a remarkable deviation in pressure history and velocity profile with respect to the water hammer in Newtonian fluids. The significance of the non-Newtonian fluid behaviour is manifested in terms of the drag reduction and line packing effect observed in the pressure history results. A detailed discussion regarding the fluid viscosity and its shear-stress diagrams are also included. UR - https://www.sv-jme.eu/article/investigation-of-non-newtonian-fluid-effects-during-transient-flows-in-a-pipeline/
Majd, Ali, Ahmadi, Ahmad, AND Keramat, Alireza. "Investigation of Non-Newtonian Fluid Effects during Transient Flows in a Pipeline" Strojniški vestnik - Journal of Mechanical Engineering [Online], Volume 62 Number 2 (27 June 2018)
Strojniški vestnik - Journal of Mechanical Engineering 62(2016)2, 105-115
© The Authors, CC-BY 4.0 Int. Change in copyright policy from 2022, Jan 1st.
A sudden change in the flow rate brings about significant pressure oscillations in the piping system, known as water hammer (fluid hammer). Unsteady flow of a non-Newtonian fluid due to instantaneous valve closure is studied. Power law and Cross models are used to simulate non-Newtonian effects. Firstly, the appropriate governing equations are derived and then, they are solved by a numerical approach. A fourth-order Runge–Kutta scheme is used for the time integration, and the central difference scheme is employed for the spatial derivatives discretization. To verify the proposed mathematical model and numerical solution, a comparison with corresponding experimental results from the literature are made. The results reveal a remarkable deviation in pressure history and velocity profile with respect to the water hammer in Newtonian fluids. The significance of the non-Newtonian fluid behaviour is manifested in terms of the drag reduction and line packing effect observed in the pressure history results. A detailed discussion regarding the fluid viscosity and its shear-stress diagrams are also included.